/mcs/class/System.Web/System.Web.UI/Page.cs
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- //
- // System.Web.UI.Page.cs
- //
- // Authors:
- // Duncan Mak (duncan@ximian.com)
- // Gonzalo Paniagua (gonzalo@ximian.com)
- // Andreas Nahr (ClassDevelopment@A-SoftTech.com)
- // Marek Habersack (mhabersack@novell.com)
- //
- // (C) 2002,2003 Ximian, Inc. (http://www.ximian.com)
- // Copyright (C) 2003-2010 Novell, Inc (http://www.novell.com)
- //
- // Permission is hereby granted, free of charge, to any person obtaining
- // a copy of this software and associated documentation files (the
- // "Software"), to deal in the Software without restriction, including
- // without limitation the rights to use, copy, modify, merge, publish,
- // distribute, sublicense, and/or sell copies of the Software, and to
- // permit persons to whom the Software is furnished to do so, subject to
- // the following conditions:
- //
- // The above copyright notice and this permission notice shall be
- // included in all copies or substantial portions of the Software.
- //
- // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
- // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
- // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- //
- using System;
- using System.Collections;
- using System.Collections.Generic;
- using System.Collections.Specialized;
- using System.ComponentModel;
- using System.ComponentModel.Design;
- using System.ComponentModel.Design.Serialization;
- using System.Globalization;
- using System.IO;
- using System.Security.Permissions;
- using System.Security.Principal;
- using System.Text;
- using System.Threading;
- using System.Web;
- using System.Web.Caching;
- using System.Web.Compilation;
- using System.Web.Configuration;
- using System.Web.Hosting;
- using System.Web.SessionState;
- using System.Web.Util;
- using System.Web.UI.Adapters;
- using System.Web.UI.HtmlControls;
- using System.Web.UI.WebControls;
- using System.Reflection;
- #if NET_4_0
- using System.Web.Routing;
- #endif
- namespace System.Web.UI
- {
- // CAS
- [AspNetHostingPermission (SecurityAction.LinkDemand, Level = AspNetHostingPermissionLevel.Minimal)]
- [AspNetHostingPermission (SecurityAction.InheritanceDemand, Level = AspNetHostingPermissionLevel.Minimal)]
- [DefaultEvent ("Load"), DesignerCategory ("ASPXCodeBehind")]
- [ToolboxItem (false)]
- [Designer ("Microsoft.VisualStudio.Web.WebForms.WebFormDesigner, " + Consts.AssemblyMicrosoft_VisualStudio_Web, typeof (IRootDesigner))]
- [DesignerSerializer ("Microsoft.VisualStudio.Web.WebForms.WebFormCodeDomSerializer, " + Consts.AssemblyMicrosoft_VisualStudio_Web, "System.ComponentModel.Design.Serialization.TypeCodeDomSerializer, System.Design, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a")]
- public partial class Page : TemplateControl, IHttpHandler
- {
- // static string machineKeyConfigPath = "system.web/machineKey";
- bool _eventValidation = true;
- object [] _savedControlState;
- bool _doLoadPreviousPage;
- string _focusedControlID;
- bool _hasEnabledControlArray;
- bool _viewState;
- bool _viewStateMac;
- string _errorPage;
- bool is_validated;
- bool _smartNavigation;
- int _transactionMode;
- ValidatorCollection _validators;
- bool renderingForm;
- string _savedViewState;
- List <string> _requiresPostBack;
- List <string> _requiresPostBackCopy;
- List <IPostBackDataHandler> requiresPostDataChanged;
- IPostBackEventHandler requiresRaiseEvent;
- IPostBackEventHandler formPostedRequiresRaiseEvent;
- NameValueCollection secondPostData;
- bool requiresPostBackScript;
- bool postBackScriptRendered;
- bool requiresFormScriptDeclaration;
- bool formScriptDeclarationRendered;
- bool handleViewState;
- string viewStateUserKey;
- NameValueCollection _requestValueCollection;
- string clientTarget;
- ClientScriptManager scriptManager;
- bool allow_load; // true when the Form collection belongs to this page (GetTypeHashCode)
- PageStatePersister page_state_persister;
- CultureInfo _appCulture;
- CultureInfo _appUICulture;
- // The initial context
- HttpContext _context;
-
- // cached from the initial context
- HttpApplicationState _application;
- HttpResponse _response;
- HttpRequest _request;
- Cache _cache;
-
- HttpSessionState _session;
-
- [EditorBrowsable (EditorBrowsableState.Never)]
- public const string postEventArgumentID = "__EVENTARGUMENT";
- [EditorBrowsable (EditorBrowsableState.Never)]
- public const string postEventSourceID = "__EVENTTARGET";
- const string ScrollPositionXID = "__SCROLLPOSITIONX";
- const string ScrollPositionYID = "__SCROLLPOSITIONY";
- const string EnabledControlArrayID = "__enabledControlArray";
- internal const string LastFocusID = "__LASTFOCUS";
- internal const string CallbackArgumentID = "__CALLBACKPARAM";
- internal const string CallbackSourceID = "__CALLBACKID";
- internal const string PreviousPageID = "__PREVIOUSPAGE";
- int maxPageStateFieldLength = -1;
- string uniqueFilePathSuffix;
- HtmlHead htmlHeader;
-
- MasterPage masterPage;
- string masterPageFile;
-
- Page previousPage;
- bool isCrossPagePostBack;
- bool isPostBack;
- bool isCallback;
- List <Control> requireStateControls;
- HtmlForm _form;
- string _title;
- string _theme;
- string _styleSheetTheme;
- #if NET_4_0
- string _metaDescription;
- string _metaKeywords;
- Control _autoPostBackControl;
-
- bool frameworkInitialized;
- #endif
- Hashtable items;
- bool _maintainScrollPositionOnPostBack;
- bool asyncMode = false;
- TimeSpan asyncTimeout;
- const double DefaultAsyncTimeout = 45.0;
- List<PageAsyncTask> parallelTasks;
- List<PageAsyncTask> serialTasks;
- ViewStateEncryptionMode viewStateEncryptionMode;
- bool controlRegisteredForViewStateEncryption = false;
- #region Constructors
- public Page ()
- {
- scriptManager = new ClientScriptManager (this);
- Page = this;
- ID = "__Page";
- PagesSection ps = WebConfigurationManager.GetSection ("system.web/pages") as PagesSection;
- if (ps != null) {
- asyncTimeout = ps.AsyncTimeout;
- viewStateEncryptionMode = ps.ViewStateEncryptionMode;
- _viewState = ps.EnableViewState;
- _viewStateMac = ps.EnableViewStateMac;
- } else {
- asyncTimeout = TimeSpan.FromSeconds (DefaultAsyncTimeout);
- viewStateEncryptionMode = ViewStateEncryptionMode.Auto;
- _viewState = true;
- }
- #if NET_4_0
- this.ViewStateMode = ViewStateMode.Enabled;
- #endif
- }
- #endregion
- #region Properties
- [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
- [Browsable (false)]
- public HttpApplicationState Application {
- get { return _application; }
- }
- [EditorBrowsable (EditorBrowsableState.Never)]
- protected bool AspCompatMode {
- get { return false; }
- set {
- // nothing to do
- }
- }
- [EditorBrowsable (EditorBrowsableState.Never)]
- [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
- [BrowsableAttribute (false)]
- public bool Buffer {
- get { return Response.BufferOutput; }
- set { Response.BufferOutput = value; }
- }
- [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
- [Browsable (false)]
- public Cache Cache {
- get {
- if (_cache == null)
- throw new HttpException ("Cache is not available.");
- return _cache;
- }
- }
- [EditorBrowsableAttribute (EditorBrowsableState.Advanced)]
- [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
- [Browsable (false), DefaultValue ("")]
- [WebSysDescription ("Value do override the automatic browser detection and force the page to use the specified browser.")]
- public string ClientTarget {
- get { return (clientTarget == null) ? String.Empty : clientTarget; }
- set {
- clientTarget = value;
- if (value == String.Empty)
- clientTarget = null;
- }
- }
- [EditorBrowsable (EditorBrowsableState.Never)]
- [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
- [BrowsableAttribute (false)]
- public int CodePage {
- get { return Response.ContentEncoding.CodePage; }
- set { Response.ContentEncoding = Encoding.GetEncoding (value); }
- }
- [EditorBrowsable (EditorBrowsableState.Never)]
- [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
- [BrowsableAttribute (false)]
- public string ContentType {
- get { return Response.ContentType; }
- set { Response.ContentType = value; }
- }
- protected internal override HttpContext Context {
- get {
- if (_context == null)
- return HttpContext.Current;
- return _context;
- }
- }
- [EditorBrowsable (EditorBrowsableState.Advanced)]
- [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
- [BrowsableAttribute (false)]
- public string Culture {
- get { return Thread.CurrentThread.CurrentCulture.Name; }
- set { Thread.CurrentThread.CurrentCulture = GetPageCulture (value, Thread.CurrentThread.CurrentCulture); }
- }
- [EditorBrowsable (EditorBrowsableState.Never)]
- [Browsable (false)]
- [DefaultValue ("true")]
- [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
- public virtual bool EnableEventValidation {
- get { return _eventValidation; }
- set {
- if (IsInited)
- throw new InvalidOperationException ("The 'EnableEventValidation' property can be set only in the Page_init, the Page directive or in the <pages> configuration section.");
- _eventValidation = value;
- }
- }
- [Browsable (false)]
- public override bool EnableViewState {
- get { return _viewState; }
- set { _viewState = value; }
- }
- [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
- [BrowsableAttribute (false)]
- [EditorBrowsable (EditorBrowsableState.Never)]
- public bool EnableViewStateMac {
- get { return _viewStateMac; }
- set { _viewStateMac = value; }
- }
- internal bool EnableViewStateMacInternal {
- get { return _viewStateMac; }
- set { _viewStateMac = value; }
- }
-
- [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
- [Browsable (false), DefaultValue ("")]
- [WebSysDescription ("The URL of a page used for error redirection.")]
- public string ErrorPage {
- get { return _errorPage; }
- set {
- HttpContext ctx = Context;
-
- _errorPage = value;
- if (ctx != null)
- ctx.ErrorPage = value;
- }
- }
- [Obsolete ("The recommended alternative is HttpResponse.AddFileDependencies. http://go.microsoft.com/fwlink/?linkid=14202")]
- [EditorBrowsable (EditorBrowsableState.Never)]
- protected ArrayList FileDependencies {
- set {
- if (Response != null)
- Response.AddFileDependencies (value);
- }
- }
- [Browsable (false)]
- [EditorBrowsable (EditorBrowsableState.Never)]
- public override string ID {
- get { return base.ID; }
- set { base.ID = value; }
- }
- [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
- [Browsable (false)]
- public bool IsPostBack {
- get { return isPostBack; }
- }
- public bool IsPostBackEventControlRegistered {
- get { return requiresRaiseEvent != null; }
- }
-
- [EditorBrowsable (EditorBrowsableState.Never), Browsable (false)]
- public bool IsReusable {
- get { return false; }
- }
- [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
- [Browsable (false)]
- public bool IsValid {
- get {
- if (!is_validated)
- throw new HttpException (Locale.GetText ("Page.IsValid cannot be called before validation has taken place. It should be queried in the event handler for a control that has CausesValidation=True and initiated the postback, or after a call to Page.Validate."));
- foreach (IValidator val in Validators)
- if (!val.IsValid)
- return false;
- return true;
- }
- }
- [Browsable (false)]
- public IDictionary Items {
- get {
- if (items == null)
- items = new Hashtable ();
- return items;
- }
- }
- [EditorBrowsable (EditorBrowsableState.Never)]
- [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
- [BrowsableAttribute (false)]
- public int LCID {
- get { return Thread.CurrentThread.CurrentCulture.LCID; }
- set { Thread.CurrentThread.CurrentCulture = new CultureInfo (value); }
- }
- [Browsable (false)]
- [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
- public bool MaintainScrollPositionOnPostBack {
- get { return _maintainScrollPositionOnPostBack; }
- set { _maintainScrollPositionOnPostBack = value; }
- }
- public PageAdapter PageAdapter {
- get {
- return Adapter as PageAdapter;
- }
- }
- string _validationStartupScript;
- string _validationOnSubmitStatement;
- string _validationInitializeScript;
- string _webFormScriptReference;
- internal string WebFormScriptReference {
- get {
- if (_webFormScriptReference == null)
- _webFormScriptReference = IsMultiForm ? theForm : "window";
- return _webFormScriptReference;
- }
- }
- internal string ValidationStartupScript {
- get {
- if (_validationStartupScript == null) {
- _validationStartupScript =
- @"
- " + WebFormScriptReference + @".Page_ValidationActive = false;
- " + WebFormScriptReference + @".ValidatorOnLoad();
- " + WebFormScriptReference + @".ValidatorOnSubmit = function () {
- if (this.Page_ValidationActive) {
- return this.ValidatorCommonOnSubmit();
- }
- return true;
- };
- ";
- }
- return _validationStartupScript;
- }
- }
- internal string ValidationOnSubmitStatement {
- get {
- if (_validationOnSubmitStatement == null)
- _validationOnSubmitStatement = "if (!" + WebFormScriptReference + ".ValidatorOnSubmit()) return false;";
- return _validationOnSubmitStatement;
- }
- }
- internal string ValidationInitializeScript {
- get {
- if (_validationInitializeScript == null)
- _validationInitializeScript = "WebFormValidation_Initialize(" + WebFormScriptReference + ");";
- return _validationInitializeScript;
- }
- }
- internal IScriptManager ScriptManager {
- get { return (IScriptManager) Items [typeof (IScriptManager)]; }
- }
- #if !TARGET_J2EE
- internal string theForm {
- get {
- return "theForm";
- }
- }
-
- internal bool IsMultiForm {
- get { return false; }
- }
- #endif
- [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
- [Browsable (false)]
- public HttpRequest Request {
- get {
- if (_request == null)
- throw new HttpException("Request is not available in this context.");
- return RequestInternal;
- }
- }
- internal HttpRequest RequestInternal {
- get { return _request; }
- }
-
- [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
- [Browsable (false)]
- public HttpResponse Response {
- get {
- if (_response == null)
- throw new HttpException ("Response is not available in this context.");
- return _response;
- }
- }
- [EditorBrowsable (EditorBrowsableState.Never)]
- [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
- [BrowsableAttribute (false)]
- public string ResponseEncoding {
- get { return Response.ContentEncoding.WebName; }
- set { Response.ContentEncoding = Encoding.GetEncoding (value); }
- }
- [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
- [Browsable (false)]
- public HttpServerUtility Server {
- get { return Context.Server; }
- }
- [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
- [Browsable (false)]
- public virtual HttpSessionState Session {
- get {
- if (_session != null)
- return _session;
- try {
- _session = Context.Session;
- } catch {
- // ignore, should not throw
- }
-
- if (_session == null)
- throw new HttpException ("Session state can only be used " +
- "when enableSessionState is set to true, either " +
- "in a configuration file or in the Page directive.");
- return _session;
- }
- }
- [Filterable (false)]
- [Obsolete ("The recommended alternative is Page.SetFocus and Page.MaintainScrollPositionOnPostBack. http://go.microsoft.com/fwlink/?linkid=14202")]
- [Browsable (false)]
- public bool SmartNavigation {
- get { return _smartNavigation; }
- set { _smartNavigation = value; }
- }
- [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
- [Filterable (false)]
- [Browsable (false)]
- public virtual string StyleSheetTheme {
- get { return _styleSheetTheme; }
- set { _styleSheetTheme = value; }
- }
- [Browsable (false)]
- [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
- public virtual string Theme {
- get { return _theme; }
- set { _theme = value; }
- }
- void InitializeStyleSheet ()
- {
- if (_styleSheetTheme == null) {
- PagesSection ps = WebConfigurationManager.GetSection ("system.web/pages") as PagesSection;
- if (ps != null)
- _styleSheetTheme = ps.StyleSheetTheme;
- }
- #if TARGET_JVM
- if (_styleSheetTheme != null && _styleSheetTheme != "")
- _styleSheetPageTheme = ThemeDirectoryCompiler.GetCompiledInstance (_styleSheetTheme, Context);
- #else
- if (!String.IsNullOrEmpty (_styleSheetTheme)) {
- string virtualPath = "~/App_Themes/" + _styleSheetTheme;
- _styleSheetPageTheme = BuildManager.CreateInstanceFromVirtualPath (virtualPath, typeof (PageTheme)) as PageTheme;
- }
- #endif
- }
- void InitializeTheme ()
- {
- if (_theme == null) {
- PagesSection ps = WebConfigurationManager.GetSection ("system.web/pages") as PagesSection;
- if (ps != null)
- _theme = ps.Theme;
- }
- #if TARGET_JVM
- if (_theme != null && _theme != "") {
- _pageTheme = ThemeDirectoryCompiler.GetCompiledInstance (_theme, Context);
- _pageTheme.SetPage (this);
- }
- #else
- if (!String.IsNullOrEmpty (_theme)) {
- string virtualPath = "~/App_Themes/" + _theme;
- _pageTheme = BuildManager.CreateInstanceFromVirtualPath (virtualPath, typeof (PageTheme)) as PageTheme;
- if (_pageTheme != null)
- _pageTheme.SetPage (this);
- }
- #endif
- }
- #if NET_4_0
- public Control AutoPostBackControl {
- get { return _autoPostBackControl; }
- set { _autoPostBackControl = value; }
- }
-
- [BrowsableAttribute(false)]
- [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
- public RouteData RouteData {
- get {
- if (_request == null)
- return null;
- RequestContext reqctx = _request.RequestContext;
- if (reqctx == null)
- return null;
- return reqctx.RouteData;
- }
- }
-
- [Bindable (true)]
- [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
- [Localizable (true)]
- public string MetaDescription {
- get {
- if (_metaDescription == null) {
- if (htmlHeader == null) {
- if (frameworkInitialized)
- throw new InvalidOperationException ("A server-side head element is required to set this property.");
- return String.Empty;
- } else
- return htmlHeader.Description;
- }
- return _metaDescription;
- }
-
- set {
- if (htmlHeader == null) {
- if (frameworkInitialized)
- throw new InvalidOperationException ("A server-side head element is required to set this property.");
- _metaDescription = value;
- } else
- htmlHeader.Description = value;
- }
- }
- [Bindable (true)]
- [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
- [Localizable (true)]
- public string MetaKeywords {
- get {
- if (_metaKeywords == null) {
- if (htmlHeader == null) {
- if (frameworkInitialized)
- throw new InvalidOperationException ("A server-side head element is required to set this property.");
- return String.Empty;
- } else
- return htmlHeader.Keywords;
- }
- return _metaDescription;
- }
-
- set {
- if (htmlHeader == null) {
- if (frameworkInitialized)
- throw new InvalidOperationException ("A server-side head element is required to set this property.");
- _metaKeywords = value;
- } else
- htmlHeader.Keywords = value;
- }
- }
- #endif
- [Localizable (true)]
- [Bindable (true)]
- [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
- public string Title {
- get {
- if (_title == null) {
- if (htmlHeader != null && htmlHeader.Title != null)
- return htmlHeader.Title;
- return String.Empty;
- }
- return _title;
- }
- set {
- if (htmlHeader != null)
- htmlHeader.Title = value;
- else
- _title = value;
- }
- }
- [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
- [Browsable (false)]
- public TraceContext Trace {
- get { return Context.Trace; }
- }
- [EditorBrowsable (EditorBrowsableState.Never)]
- [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
- [BrowsableAttribute (false)]
- public bool TraceEnabled {
- get { return Trace.IsEnabled; }
- set { Trace.IsEnabled = value; }
- }
- [EditorBrowsable (EditorBrowsableState.Never)]
- [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
- [BrowsableAttribute (false)]
- public TraceMode TraceModeValue {
- get { return Trace.TraceMode; }
- set { Trace.TraceMode = value; }
- }
- [EditorBrowsable (EditorBrowsableState.Never)]
- protected int TransactionMode {
- get { return _transactionMode; }
- set { _transactionMode = value; }
- }
- [EditorBrowsable (EditorBrowsableState.Advanced)]
- [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
- [BrowsableAttribute (false)]
- public string UICulture {
- get { return Thread.CurrentThread.CurrentUICulture.Name; }
- set { Thread.CurrentThread.CurrentUICulture = GetPageCulture (value, Thread.CurrentThread.CurrentUICulture); }
- }
- [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
- [Browsable (false)]
- public IPrincipal User {
- get { return Context.User; }
- }
- [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
- [Browsable (false)]
- public ValidatorCollection Validators {
- get {
- if (_validators == null)
- _validators = new ValidatorCollection ();
- return _validators;
- }
- }
- [MonoTODO ("Use this when encrypting/decrypting ViewState")]
- [Browsable (false)]
- public string ViewStateUserKey {
- get { return viewStateUserKey; }
- set { viewStateUserKey = value; }
- }
- [Browsable (false)]
- public override bool Visible {
- get { return base.Visible; }
- set { base.Visible = value; }
- }
- #endregion
- #region Methods
- CultureInfo GetPageCulture (string culture, CultureInfo deflt)
- {
- if (culture == null)
- return deflt;
- CultureInfo ret = null;
- if (culture.StartsWith ("auto", StringComparison.InvariantCultureIgnoreCase)) {
- #if TARGET_J2EE
- if (!Context.IsServletRequest)
- return deflt;
- #endif
- string[] languages = Request.UserLanguages;
- try {
- if (languages != null && languages.Length > 0)
- ret = CultureInfo.CreateSpecificCulture (languages[0]);
- } catch {
- }
-
- if (ret == null)
- ret = deflt;
- } else
- ret = CultureInfo.CreateSpecificCulture (culture);
- return ret;
- }
- [EditorBrowsable (EditorBrowsableState.Never)]
- protected IAsyncResult AspCompatBeginProcessRequest (HttpContext context,
- AsyncCallback cb,
- object extraData)
- {
- throw new NotImplementedException ();
- }
- [EditorBrowsable (EditorBrowsableState.Never)]
- [MonoNotSupported ("Mono does not support classic ASP compatibility mode.")]
- protected void AspCompatEndProcessRequest (IAsyncResult result)
- {
- throw new NotImplementedException ();
- }
-
- [EditorBrowsable (EditorBrowsableState.Advanced)]
- protected virtual HtmlTextWriter CreateHtmlTextWriter (TextWriter tw)
- {
- if (Request.BrowserMightHaveSpecialWriter)
- return Request.Browser.CreateHtmlTextWriter(tw);
- else
- return new HtmlTextWriter (tw);
- }
- [EditorBrowsable (EditorBrowsableState.Never)]
- public void DesignerInitialize ()
- {
- InitRecursive (null);
- }
- [EditorBrowsable (EditorBrowsableState.Advanced)]
- protected internal virtual NameValueCollection DeterminePostBackMode ()
- {
- // if request was transfered from other page such Transfer
- if (_context.IsProcessingInclude)
- return null;
-
- HttpRequest req = Request;
- if (req == null)
- return null;
- NameValueCollection coll = null;
- if (0 == String.Compare (Request.HttpMethod, "POST", true, Helpers.InvariantCulture)
- #if TARGET_J2EE
- || !_context.IsServletRequest
- #endif
- )
- coll = req.Form;
- else {
- string query = Request.QueryStringRaw;
- if (query == null || query.Length == 0)
- return null;
- coll = req.QueryString;
- }
- WebROCollection c = (WebROCollection) coll;
- allow_load = !c.GotID;
- if (allow_load)
- c.ID = GetTypeHashCode ();
- else
- allow_load = (c.ID == GetTypeHashCode ());
- if (coll != null && coll ["__VIEWSTATE"] == null && coll ["__EVENTTARGET"] == null)
- return null;
- #if TARGET_J2EE
- if (getFacesContext () != null && _context.Handler != _context.CurrentHandler) {
- // check if it is PreviousPage
- string prevViewId = coll [PreviousPageID];
- if (!String.IsNullOrEmpty (prevViewId)) {
- string appPath = VirtualPathUtility.RemoveTrailingSlash (Request.ApplicationPath);
- prevViewId = prevViewId.Substring (appPath.Length);
- isCrossPagePostBack = String.Compare (prevViewId, getFacesContext ().getExternalContext ().getRequestPathInfo (), StringComparison.OrdinalIgnoreCase) == 0;
- }
- }
- #endif
- return coll;
- }
- public override Control FindControl (string id) {
- if (id == ID)
- return this;
- else
- return base.FindControl (id);
- }
- Control FindControl (string id, bool decode) {
- #if TARGET_J2EE
- if (decode)
- id = DecodeNamespace (id);
- #endif
- return FindControl (id);
- }
- [Obsolete ("The recommended alternative is ClientScript.GetPostBackEventReference. http://go.microsoft.com/fwlink/?linkid=14202")]
- [EditorBrowsable (EditorBrowsableState.Advanced)]
- public string GetPostBackClientEvent (Control control, string argument)
- {
- return scriptManager.GetPostBackEventReference (control, argument);
- }
- [Obsolete ("The recommended alternative is ClientScript.GetPostBackClientHyperlink. http://go.microsoft.com/fwlink/?linkid=14202")]
- [EditorBrowsable (EditorBrowsableState.Advanced)]
- public string GetPostBackClientHyperlink (Control control, string argument)
- {
- return scriptManager.GetPostBackClientHyperlink (control, argument);
- }
- [Obsolete ("The recommended alternative is ClientScript.GetPostBackEventReference. http://go.microsoft.com/fwlink/?linkid=14202")]
- [EditorBrowsable (EditorBrowsableState.Advanced)]
- public string GetPostBackEventReference (Control control)
- {
- return scriptManager.GetPostBackEventReference (control, String.Empty);
- }
- [Obsolete ("The recommended alternative is ClientScript.GetPostBackEventReference. http://go.microsoft.com/fwlink/?linkid=14202")]
- [EditorBrowsable (EditorBrowsableState.Advanced)]
- public string GetPostBackEventReference (Control control, string argument)
- {
- return scriptManager.GetPostBackEventReference (control, argument);
- }
- internal void RequiresFormScriptDeclaration ()
- {
- requiresFormScriptDeclaration = true;
- }
-
- internal void RequiresPostBackScript ()
- {
- if (requiresPostBackScript)
- return;
- ClientScript.RegisterHiddenField (postEventSourceID, String.Empty);
- ClientScript.RegisterHiddenField (postEventArgumentID, String.Empty);
- requiresPostBackScript = true;
- RequiresFormScriptDeclaration ();
- }
- [EditorBrowsable (EditorBrowsableState.Never)]
- public virtual int GetTypeHashCode ()
- {
- return 0;
- }
- [MonoTODO ("The following properties of OutputCacheParameters are silently ignored: CacheProfile, SqlDependency")]
- [EditorBrowsable (EditorBrowsableState.Never)]
- protected internal virtual void InitOutputCache(OutputCacheParameters cacheSettings)
- {
- if (cacheSettings.Enabled) {
- InitOutputCache(cacheSettings.Duration,
- cacheSettings.VaryByContentEncoding,
- cacheSettings.VaryByHeader,
- cacheSettings.VaryByCustom,
- cacheSettings.Location,
- cacheSettings.VaryByParam);
- HttpResponse response = Response;
- HttpCachePolicy cache = response != null ? response.Cache : null;
- if (cache != null && cacheSettings.NoStore)
- cache.SetNoStore ();
- }
- }
-
- [MonoTODO ("varyByContentEncoding is not currently used")]
- [EditorBrowsable (EditorBrowsableState.Never)]
- protected virtual void InitOutputCache(int duration,
- string varyByContentEncoding,
- string varyByHeader,
- string varyByCustom,
- OutputCacheLocation location,
- string varyByParam)
- {
- if (duration <= 0)
- // No need to do anything, cache will be ineffective anyway
- return;
-
- HttpResponse response = Response;
- HttpCachePolicy cache = response.Cache;
- bool set_vary = false;
- HttpContext ctx = Context;
- DateTime timestamp = ctx != null ? ctx.Timestamp : DateTime.Now;
-
- switch (location) {
- case OutputCacheLocation.Any:
- cache.SetCacheability (HttpCacheability.Public);
- cache.SetMaxAge (new TimeSpan (0, 0, duration));
- cache.SetLastModified (timestamp);
- set_vary = true;
- break;
- case OutputCacheLocation.Client:
- cache.SetCacheability (HttpCacheability.Private);
- cache.SetMaxAge (new TimeSpan (0, 0, duration));
- cache.SetLastModified (timestamp);
- break;
- case OutputCacheLocation.Downstream:
- cache.SetCacheability (HttpCacheability.Public);
- cache.SetMaxAge (new TimeSpan (0, 0, duration));
- cache.SetLastModified (timestamp);
- break;
- case OutputCacheLocation.Server:
- cache.SetCacheability (HttpCacheability.Server);
- set_vary = true;
- break;
- case OutputCacheLocation.None:
- break;
- }
- if (set_vary) {
- if (varyByCustom != null)
- cache.SetVaryByCustom (varyByCustom);
- if (varyByParam != null && varyByParam.Length > 0) {
- string[] prms = varyByParam.Split (';');
- foreach (string p in prms)
- cache.VaryByParams [p.Trim ()] = true;
- cache.VaryByParams.IgnoreParams = false;
- } else {
- cache.VaryByParams.IgnoreParams = true;
- }
-
- if (varyByHeader != null && varyByHeader.Length > 0) {
- string[] hdrs = varyByHeader.Split (';');
- foreach (string h in hdrs)
- cache.VaryByHeaders [h.Trim ()] = true;
- }
- if (PageAdapter != null) {
- if (PageAdapter.CacheVaryByParams != null) {
- foreach (string p in PageAdapter.CacheVaryByParams)
- cache.VaryByParams [p] = true;
- }
- if (PageAdapter.CacheVaryByHeaders != null) {
- foreach (string h in PageAdapter.CacheVaryByHeaders)
- cache.VaryByHeaders [h] = true;
- }
- }
- }
- response.IsCached = true;
- cache.Duration = duration;
- cache.SetExpires (timestamp.AddSeconds (duration));
- }
-
- [EditorBrowsable (EditorBrowsableState.Never)]
- protected virtual void InitOutputCache (int duration,
- string varyByHeader,
- string varyByCustom,
- OutputCacheLocation location,
- string varyByParam)
- {
- InitOutputCache (duration, null, varyByHeader, varyByCustom, location, varyByParam);
- }
- [Obsolete ("The recommended alternative is ClientScript.IsClientScriptBlockRegistered(string key). http://go.microsoft.com/fwlink/?linkid=14202")]
- public bool IsClientScriptBlockRegistered (string key)
- {
- return scriptManager.IsClientScriptBlockRegistered (key);
- }
- [Obsolete ("The recommended alternative is ClientScript.IsStartupScriptRegistered(string key). http://go.microsoft.com/fwlink/?linkid=14202")]
- public bool IsStartupScriptRegistered (string key)
- {
- return scriptManager.IsStartupScriptRegistered (key);
- }
- public string MapPath (string virtualPath)
- {
- return Request.MapPath (virtualPath);
- }
-
- protected internal override void Render (HtmlTextWriter writer)
- {
- if (MaintainScrollPositionOnPostBack) {
- ClientScript.RegisterWebFormClientScript ();
- ClientScript.RegisterHiddenField (ScrollPositionXID, Request [ScrollPositionXID]);
- ClientScript.RegisterHiddenField (ScrollPositionYID, Request [ScrollPositionYID]);
- StringBuilder script = new StringBuilder ();
- script.AppendLine ("<script type=\"text/javascript\">");
- script.AppendLine (ClientScriptManager.SCRIPT_BLOCK_START);
- script.AppendLine (theForm + ".oldSubmit = " + theForm + ".submit;");
- script.AppendLine (theForm + ".submit = function () { " + WebFormScriptReference + ".WebForm_SaveScrollPositionSubmit(); }");
- script.AppendLine (theForm + ".oldOnSubmit = " + theForm + ".onsubmit;");
- script.AppendLine (theForm + ".onsubmit = function () { " + WebFormScriptReference + ".WebForm_SaveScrollPositionOnSubmit(); }");
- if (IsPostBack) {
- script.AppendLine (theForm + ".oldOnLoad = window.onload;");
- script.AppendLine ("window.onload = function () { " + WebFormScriptReference + ".WebForm_RestoreScrollPosition (); };");
- }
- script.AppendLine (ClientScriptManager.SCRIPT_BLOCK_END);
- script.AppendLine ("</script>");
-
- ClientScript.RegisterStartupScript (typeof (Page), "MaintainScrollPositionOnPostBackStartup", script.ToString());
- }
- #if TARGET_J2EE
- if (bool.Parse (WebConfigurationManager.AppSettings [RenderBodyContentOnlyKey] ?? "false")) {
- for (Control c = this.Form; c != null; c = c.Parent) {
- HtmlGenericControl ch = (c as HtmlGenericControl);
- if (ch != null && ch.TagName == "body") {
- ch.RenderChildren (writer);
- return;
- }
- }
- }
- #endif
- base.Render (writer);
- }
- void RenderPostBackScript (HtmlTextWriter writer, string formUniqueID)
- {
- writer.WriteLine ();
- ClientScriptManager.WriteBeginScriptBlock (writer);
- RenderClientScriptFormDeclaration (writer, formUniqueID);
- writer.WriteLine (WebFormScriptReference + "._form = " + theForm + ";");
- writer.WriteLine (WebFormScriptReference + ".__doPostBack = function (eventTarget, eventArgument) {");
- writer.WriteLine ("\tif(" + theForm + ".onsubmit && " + theForm + ".onsubmit() == false) return;");
- writer.WriteLine ("\t" + theForm + "." + postEventSourceID + ".value = eventTarget;");
- writer.WriteLine ("\t" + theForm + "." + postEventArgumentID + ".value = eventArgument;");
- writer.WriteLine ("\t" + theForm + ".submit();");
- writer.WriteLine ("}");
- ClientScriptManager.WriteEndScriptBlock (writer);
- }
- void RenderClientScriptFormDeclaration (HtmlTextWriter writer, string formUniqueID)
- {
- if (formScriptDeclarationRendered)
- return;
-
- if (PageAdapter != null) {
- writer.WriteLine ("\tvar {0} = {1};\n", theForm, PageAdapter.GetPostBackFormReference(formUniqueID));
- } else {
- writer.WriteLine ("\tvar {0};\n\tif (document.getElementById) {{ {0} = document.getElementById ('{1}'); }}", theForm, formUniqueID);
- writer.WriteLine ("\telse {{ {0} = document.{1}; }}", theForm, formUniqueID);
- }
- #if TARGET_J2EE
- // TODO implement callback on portlet
- string serverUrl = Request.RawUrl;
- writer.WriteLine ("\t{0}.serverURL = {1};", theForm, ClientScriptManager.GetScriptLiteral (serverUrl));
- writer.WriteLine ("\twindow.TARGET_J2EE = true;");
- writer.WriteLine ("\twindow.IsMultiForm = {0};", IsMultiForm ? "true" : "false");
- #endif
- formScriptDeclarationRendered = true;
- }
- internal void OnFormRender (HtmlTextWriter writer, string formUniqueID)
- {
- if (renderingForm)
- throw new HttpException ("Only 1 HtmlForm is allowed per page.");
- renderingForm = true;
- writer.WriteLine ();
- if (requiresFormScriptDeclaration || (scriptManager != null && scriptManager.ScriptsPresent) || PageAdapter != null) {
- ClientScriptManager.WriteBeginScriptBlock (writer);
- RenderClientScriptFormDeclaration (writer, formUniqueID);
- ClientScriptManager.WriteEndScriptBlock (writer);
- }
- if (handleViewState)
- #if TARGET_J2EE
- if (getFacesContext () != null) {
- javax.faces.application.ViewHandler viewHandler = getFacesContext ().getApplication ().getViewHandler ();
- javax.faces.context.ResponseWriter oldFacesWriter = SetupResponseWriter (writer);
- try {
- viewHandler.writeState (getFacesContext ());
- }
- finally {
- getFacesContext ().setResponseWriter (oldFacesWriter);
- }
- } else
- #endif
- scriptManager.RegisterHiddenField ("__VIEWSTATE", _savedViewState);
- scriptManager.WriteHiddenFields (writer);
- if (requiresPostBackScript) {
- RenderPostBackScript (writer, formUniqueID);
- postBackScriptRendered = true;
- }
- scriptManager.WriteWebFormClientScript (writer);
- scriptManager.WriteClientScriptBlocks (writer);
- }
- internal IStateFormatter GetFormatter ()
- {
- return new ObjectStateFormatter (this);
- }
- internal string GetSavedViewState ()
- {
- return _savedViewState;
- }
- internal void OnFormPostRender (HtmlTextWriter writer, string formUniqueID)
- {
- scriptManager.SaveEventValidationState ();
- scriptManager.WriteExpandoAttributes (writer);
- scriptManager.WriteHiddenFields (writer);
- if (!postBackScriptRendered && requiresPostBackScript)
- RenderPostBackScript (writer, formUniqueID);
- scriptManager.WriteWebFormClientScript (writer);
- scriptManager.WriteArrayDeclares (writer);
- scriptManager.WriteStartupScriptBlocks (writer);
- renderingForm = false;
- postBackScriptRendered = false;
- }
- void ProcessPostData (NameValueCollection data, bool second)
- {
- NameValueCollection requestValues = _requestValueCollection == null ? new NameValueCollection (SecureHashCodeProvider.DefaultInvariant, CaseInsensitiveComparer.DefaultInvariant) : _requestValueCollection;
-
- if (data != null && data.Count > 0) {
- var used = new Dictionary <string, string> (StringComparer.Ordinal);
- foreach (string id in data.AllKeys) {
- if (id == "__VIEWSTATE" || id == postEventSourceID || id == postEventArgumentID || id == ClientScriptManager.EventStateFieldName)
- continue;
-
- if (used.ContainsKey (id))
- continue;
- used.Add (id, id);
- Control ctrl = FindControl (id, true);
- if (ctrl != null) {
- IPostBackDataHandler pbdh = ctrl as IPostBackDataHandler;
- IPostBackEventHandler pbeh = ctrl as IPostBackEventHandler;
- if (pbdh == null) {
- if (pbeh != null)
- formPostedRequiresRaiseEvent = pbeh;
- continue;
- }
-
- if (pbdh.LoadPostData (id, requestValues) == true) {
- if (requiresPostDataChanged == null)
- requiresPostDataChanged = new List <IPostBackDataHandler> ();
- requiresPostDataChanged.Add (pbdh);
- }
-
- if (_requiresPostBackCopy != null)
- _requiresPostBackCopy.Remove (id);
- } else if (!second) {
- if (secondPostData == null)
- secondPostData = new NameValueCollection (SecureHashCodeProvider.DefaultInvariant, CaseInsensitiveComparer.DefaultInvariant);
- secondPostData.Add (id, data [id]);
- }
- }
- }
- List <string> list1 = null;
- if (_requiresPostBackCopy != null && _requiresPostBackCopy.Count > 0) {
- string [] handlers = (string []) _requiresPostBackCopy.ToArray ();
- foreach (string id in handlers) {
- IPostBackDataHandler pbdh = FindControl (id, true) as IPostBackDataHandler;
- if (pbdh != null) {
- _requiresPostBackCopy.Remove (id);
- if (pbdh.LoadPostData (id, requestValues)) {
- if (requiresPostDataChanged == null)
- requiresPostDataChanged = new List <IPostBackDataHandler> ();
-
- requiresPostDataChanged.Add (pbdh);
- }
- } else if (!second) {
- if (list1 == null)
- list1 = new List <string> ();
- list1.Add (id);
- }
- }
- }
- _requiresPostBackCopy = second ? null : list1;
- if (second)
- secondPostData = null;
- }
- [EditorBrowsable (EditorBrowsableState.Never)]
- public virtual void ProcessRequest (HttpContext context)
- {
- SetContext (context);
- #if TARGET_J2EE
- bool wasException = false;
- IHttpHandler jsfHandler = getFacesContext () != null ? EnterThread () : null;
- #endif
-
- if (clientTarget != null)
- Request.ClientTarget = clientTarget;
- WireupAutomaticEvents ();
- //-- Control execution lifecycle in the docs
- // Save culture information because it can be modified in FrameworkInitialize()
- _appCulture = Thread.CurrentThread.CurrentCulture;
- _appUICulture = Thread.CurrentThread.CurrentUICulture;
- FrameworkInitialize ();
- #if NET_4_0
- frameworkInitialized = true;
- #endif
- context.ErrorPage = _errorPage;
- try {
- InternalProcessRequest ();
- #if TARGET_J2EE
- } catch (Exception ex) {
- wasException = true;
- HandleException (ex);
- #else
- } catch (ThreadAbortException taex) {
- if (FlagEnd.Value == taex.ExceptionState)
- Thread.ResetAbort ();
- else
- throw;
- } catch (Exception e) {
- ProcessException (e);
- #endif
- } finally {
- #if TARGET_J2EE
- if (getFacesContext () != null)
- ExitThread (jsfHandler);
- else if (!wasException)
- #endif
- ProcessUnload ();
- }
- }
- void ProcessException (Exception e) {
- // We want to remove that error, as we're rethrowing to stop
- // further processing.
- Trace.Warn ("Unhandled Exception", e.ToString (), e);
- _context.AddError (e); // OnError might access LastError
- OnError (EventArgs.Empty);
- if (_context.HasError (e)) {
- _context.ClearError (e);
- #if TARGET_JVM
- vmw.common.TypeUtils.Throw (e);
- #else
- throw new HttpUnhandledException (null, e);
- #endif
- }
- }
- void ProcessUnload () {
- try {
- RenderTrace ();
- UnloadRecursive (true);
- } catch {}
- #if TARGET_J2EE
- if (getFacesContext () != null) {
- if(IsCrossPagePostBack)
- _context.Items [CrossPagePostBack] = this;
- }
- #endif
- if (Thread.CurrentThread.CurrentCulture.Equals (_appCulture) == false)
- Thread.CurrentThread.CurrentCulture = _appCulture;
- if (Thread.CurrentThread.CurrentUICulture.Equals (_appUICulture) == false)
- Thread.CurrentThread.CurrentUICulture = _appUICulture;
-
- _appCulture = null;
- _appUICulture = null;
- }
-
- delegate void ProcessRequestDelegate (HttpContext context);
- sealed class DummyAsyncResult : IAsyncResult
- {
- readonly object state;
- readonly WaitHandle asyncWaitHandle;
- readonly bool completedSynchronously;
- readonly bool isCompleted;
- public DummyAsyncResult (bool isCompleted, bool completedSynchronously, object state)
- {
- this.isCompleted = isCompleted;
- this.completedSynchronously = completedSynchronously;
- this.state = state;
- if (isCompleted) {
- asyncWaitHandle = new ManualResetEvent (true);
- }
- else {
- asyncWaitHandle = new ManualResetEvent (false);
- }
- }
- #region IAsyncResult Members
- public object AsyncState {
- get { return state; }
- }
- public WaitHandle AsyncWaitHandle {
- get { return asyncWaitHandle; }
- }
- public bool CompletedSynchronously {
- get { return completedSynchronously; }
- }
- public bool IsCompleted {
- get { return isCompleted; }
- }
- #endregion
- }
- [EditorBrowsable (EditorBrowsableState.Never)]
- protected IAsyncResult AsyncPageBeginProcessRequest (HttpContext context, AsyncCallback callback, object extraData)
- {
- ProcessRequest (context);
- DummyAsyncResult asyncResult = new DummyAsyncResult (true, true, extraData);
- if (callback != null) {
- callback (asyncResult);
- }
-
- return asyncResult;
- }
- [EditorBrowsable (EditorBrowsableState.Never)]
- protected void AsyncPageEndProcessRequest (IAsyncResult result)
- {
- }
-
- void InternalProcessRequest ()
- {
- if (PageAdapter != null)
- _requestValueCollection = PageAdapter.DeterminePostBackMode();
- else
- _requestValueCollection = this.DeterminePostBackMode();
- // http://msdn2.microsoft.com/en-us/library/ms178141.aspx
- if (_requestValueCollection != null) {
- if (!isCrossPagePostBack && _requestValueCollection [PreviousPageID] != null && _requestValueCollection [PreviousPageID] != Request.FilePath) {
- _doLoadPreviousPage = true;
- } else {
- isCallback = _requestValueCollection [CallbackArgumentID] != null;
- // LAMESPEC: on Callback IsPostBack is set to false, but true.
- //isPostBack = !isCallback;
- isPostBack = true;
- }
-
- string lastFocus = _requestValueCollection [LastFocusID];
- if (!String.IsNullOrEmpty (lastFocus))
- _focusedControlID = UniqueID2ClientID (lastFocus);
- }
-
- if (!isCrossPagePostBack) {
- if (_context.PreviousHandler is Page)
- previousPage = (Page) _context.PreviousHandler;
- }
- Trace.Write ("aspx.page", "Begin PreInit");
- OnPreInit (EventArgs.Empty);
- Trace.Write ("aspx.page", "End PreInit");
- InitializeTheme ();
- ApplyMasterPage ();
- Trace.Write ("aspx.page", "Begin Init");
- InitRecursive (null);
- Trace.Write ("aspx.page", "End Init");
- Trace.Write ("aspx.page", "Begin InitComplete");
- OnInitComplete (EventArgs.Empty);
- Trace.Write ("aspx.page", "End InitComplete");
-
- renderingForm = false;
- #if TARGET_J2EE
- if (getFacesContext () != null)
- if (IsPostBack || IsCallback)
- return;
- #endif
- RestorePageState ();
- ProcessPostData ();
- ProcessRaiseEvents ();
- if (ProcessLoadComplete ())
- return;
- #if TARGET_J2EE
- if (getFacesContext () != null) {
- getFacesContext ().renderResponse ();
- return;
- }
- #endif
- RenderPage ();
- }
- void RestorePageState ()
- {
- if (IsPostBack || IsCallback) {
- if (_requestValueCollection != null)
- scriptManager.RestoreEventValidationState (
- _requestValueCollection [ClientScriptManager.EventStateFieldName]);
- Trace.Write ("aspx.page", "Begin LoadViewState");
- LoadPageViewState ();
- Trace.Write ("aspx.page", "End LoadViewState");
- }
- }
- void ProcessPostData ()
- {
- if (IsPostBack || IsCallback) {
- Trace.Write ("aspx.page", "Begin ProcessPostData");
- ProcessPostData (_requestValueCollection, false);
- Trace.Write ("aspx.page", "End ProcessPostData");
- }
- ProcessLoad ();
- if (IsPostBack || IsCallback) {
- Trace.Write ("aspx.page", "Begin ProcessPostData Second Try");
- ProcessPostData (secondPostData, true);
- Trace.Write ("aspx.page", "End ProcessPostData Second Try");
- }
- }
- void ProcessLoad ()
- {
- Trace.Write ("aspx.page", "Begin PreLoad");
- OnPreLoad (EventArgs.Empty);
- Trace.Write ("aspx.page", "End PreLoad");
- Trace.Write ("aspx.page", "Begin Load");
- LoadRecursive ();
- Trace.Write ("aspx.page", "End Load");
- }
- void ProcessRaiseEvents ()
- {
- if (IsPostBack || IsCallback) {
- Trace.Write ("aspx.page", "Begin Raise ChangedEvents");
- RaiseChangedEvents ();
- Trace.Write ("aspx.page", "End Raise ChangedEvents");
- Trace.Write ("aspx.page", "Begin Raise PostBackEvent");
- RaisePostBackEvents ();
- Trace.Write ("aspx.page", "End Raise PostBackEvent");
- }
- }
- bool ProcessLoadComplete ()
- {
- Trace.Write ("aspx.page", "Begin LoadComplete");
- OnLoadComplete (EventArgs.Empty);
- Trace.Write ("aspx.page", "End LoadComplete");
- if (IsCrossPagePostBack)
- return true;
- if (IsCallback) {
- #if TARGET_J2EE
- if (getFacesContext () != null) {
- _callbackTarget = GetCallbackTarget ();
- ProcessRaiseCallbackEvent (_callbackTarget, ref _callbackEventError);
- return true;
- }
- #endif
- string result = ProcessCallbackData ();
- HtmlTextWriter callbackOutput = new HtmlTextWriter (Response.Output);
- callbackOutput.Write (result);
- callbackOutput.Flush ();
- return true;
- }
-
- Trace.Write ("aspx.page", "Begin PreRender");
- PreRenderRecursiveInternal ();
- Trace.Write ("aspx.page", "End PreRender");
-
- ExecuteRegisteredAsyncTasks ();
- Trace.Write ("aspx.page", "Begin PreRenderComplete");
- OnPreRenderComplete (EventArgs.Empty);
- Trace.Write ("aspx.page", "End PreRenderComplete");
- Trace.Write ("aspx.page", "Begin SaveViewState");
- SavePageViewState ();
- Trace.Write ("aspx.page", "End SaveViewState");
-
- Trace.Write ("aspx.page", "Begin SaveStateComplete");
- OnSaveStateComplete (EventArgs.Empty);
- Trace.Write ("aspx.page", "End SaveStateComplete");
- return false;
- }
- internal void RenderPage ()
- {
- scriptManager.ResetEventValidationState ();
-
- //--
- Trace.Write ("aspx.page", "Begin Render");
- HtmlTextWriter output = CreateHtmlTextWriter (Response.Output);
- RenderControl (output);
- Trace.Write ("aspx.page", "End Render");
- }
- internal void SetContext (HttpContext context)
- {
- _context = context;
- _application = context.Application;
- _response = context.Response;
- _request = context.Request;
- _cache = context.Cache;
- }
- void RenderTrace ()
- {
- TraceManager traceManager = HttpRuntime.TraceManager;
- if (Trace.HaveTrace && !Trace.IsEnabled || !Trace.HaveTrace && !traceManager.Enabled)
- return;
-
- Trace.SaveData ();
- if (!Trace.HaveTrace && traceManager.Enabled && !traceManager.PageOutput)
- return;
- if (!traceManager.LocalOnly || Context.Request.IsLocal) {
- HtmlTextWriter output = new HtmlTextWriter (Response.Output);
- Trace.Render (output);
- }
- }
-
- void RaisePostBackEvents ()
- {
- if (requiresRaiseEvent != null) {
- RaisePostBackEvent (requiresRaiseEvent, null);
- return;
- }
- if (formPostedRequiresRaiseEvent != null) {
- RaisePostBackEvent (formPostedRequiresRaiseEvent, null);
- return;
- }
-
- NameValueCollection postdata = _requestValueCollection;
- if (postdata == null)
- return;
- string eventTarget = postdata [postEventSourceID];
- IPostBackEventHandler target;
- if (String.IsNullOrEmpty (eventTarget)) {
- #if NET_4_0
- target = AutoPostBackControl as IPostBackEventHandler;
- if (target != null)
- RaisePostBackEvent (target, null);
- else
- #endif
- if (formPostedRequiresRaiseEvent != null)
- RaisePostBackEvent (formPostedRequiresRaiseEvent, null);
- else
- Validate ();
- return;
- }
- target = FindControl (eventTarget, true) as IPostBackEventHandler;
- #if NET_4_0
- if (target == null)
- target = AutoPostBackControl as IPostBackEventHandler;
- #endif
- if (target == null)
- return;
- string eventArgument = postdata [postEventArgumentID];
- RaisePostBackEvent (target, eventArgument);
- }
- internal void RaiseChangedEvents ()
- {
- if (requiresPostDataChanged == null)
- return;
- foreach (IPostBackDataHandler ipdh in requiresPostDataChanged)
- ipdh.RaisePostDataChangedEvent ();
- requiresPostDataChanged = null;
- }
- [EditorBrowsable (EditorBrowsableState.Advanced)]
- protected virtual void RaisePostBackEvent (IPostBackEventHandler sourceControl, string eventArgument)
- {
- sourceControl.RaisePostBackEvent (eventArgument);
- }
-
- [Obsolete ("The recommended alternative is ClientScript.RegisterArrayDeclaration(string arrayName, string arrayValue). http://go.microsoft.com/fwlink/?linkid=14202")]
- [EditorBrowsable (EditorBrowsableState.Advanced)]
- public void RegisterArrayDeclaration (string arrayName, string arrayValue)
- {
- scriptManager.RegisterArrayDeclaration (arrayName, arrayValue);
- }
- [Obsolete ("The recommended alternative is ClientScript.RegisterClientScriptBlock(Type type, string key, string script). http://go.microsoft.com/fwlink/?linkid=14202")]
- [EditorBrowsable (EditorBrowsableState.Advanced)]
- public virtual void RegisterClientScriptBlock (string key, string script)
- {
- scriptManager.RegisterClientScriptBlock (key, script);
- }
- [Obsolete]
- [EditorBrowsable (EditorBrowsableState.Advanced)]
- public virtual void RegisterHiddenField (string hiddenFieldName, string hiddenFieldInitialValue)
- {
- scriptM…
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