/Web/Information/ComputerEdit.aspx.cs

using System;

using System.Collections.Generic;

using System.Linq;

using System.Web;

using System.Web.UI;

using System.Web.UI.WebControls;

using GMS.BIZ;

using System.Collections;



namespace Web.Information

{

    public partial class WebForm6 : System.Web.UI.Page

    {

        protected void Page_LoadComplete(object sender, EventArgs e)

        {

            if (!((Account)Session["Account"]).RoleCurrent.Equals('s')) Response.Redirect("Default.aspx");

            //初始化学生计算机能力信息

            Student myStudent = (Student)Session["Student"];

            if (myStudent.StudentName == "")

                Response.Redirect("StuInformation.aspx");

            GridView_Computer.DataSource = myStudent.Computers.GetDataSet();

            GridView_Computer.DataBind();



            //绑定DropDownList数据

            if (!IsPostBack)

            {

                ArrayList arraylist = new ArrayList();

                arraylist = Library.GetComputerLib();

                for (int i = 0; i < arraylist.Count; i++)

                {

                    ListItem myListItem = new ListItem();

                    myListItem = (ListItem)arraylist[i];

                    DropDownList_computerlevel.Items.Add(myListItem);

                }

                ListItem otherListItem=new ListItem();

                otherListItem.Text="其它";

                otherListItem.Value="others";

                DropDownList_computerlevel.Items.Add(otherListItem);     

            }

            if (DropDownList_computerlevel.SelectedValue == "others")

            {

                Label_nolist.Visible = true;

                TextBox_nolist.Visible = true;

                RequiredFieldValidator_nolist.Enabled = true;

            }

            else

            {

                Label_nolist.Visible = false;

                TextBox_nolist.Visible = false;

                RequiredFieldValidator_nolist.Enabled = false;

            }

           

            

            #region ViewState



            //初始化ViewState       

            if (ViewState["status"] == null)

                ViewState["status"] = 1;



            this.ViewStateControls(int.Parse(ViewState["status"].ToString()));



            #endregion ViewState

        }

        protected void ViewStateControls(int i)

        {

            if (i == 1)//添加

            {

                ImageButton_Cancel.Visible = false;

                ImageButton_Add.Visible = true;

                ImageButton_Edit.Visible = false;

                ImageButton_Delete.Visible = false;

            }

            else if (i == 2)//修改

            {

                ImageButton_Cancel.Visible = true;

                ImageButton_Add.Visible = false;

                ImageButton_Edit.Visible = true;

                ImageButton_Delete.Visible = false;

            }

            else if (i == 3) //删除

            {

                ImageButton_Cancel.Visible = true;

                ImageButton_Add.Visible = false;

                ImageButton_Edit.Visible = false;

                ImageButton_Delete.Visible = true;

            }

        }

        

        //GridView的修改按钮

        protected void GridViewButton_Edit_Click(object sender, ImageClickEventArgs e)

        {

            Computer myComputer = new Computer();

            Student myStudent = (Student)Session["Student"];

            myComputer = myStudent.Computers.GetOne(decimal.Parse(((ImageButton)sender).CommandArgument));

            Label_ComputerID.Text = myComputer.id.ToString();

            TextBox_computertime.Text = ((DateTime)myComputer.computer_time).ToShortDateString();



            ViewState["status"] = 2;

            Label_result.Text = "";

            Label_nolist.Visible = false;

            TextBox_nolist.Visible = false;

            TextBox_nolist.Text = "";

            Label_EditInformation2.Text = myComputer.computer_level +" "+ ((DateTime)myComputer.computer_time).ToShortDateString();

        }

        

        //GridView的删除按钮

        protected void GridViewButton_Delete_Click(object sender, ImageClickEventArgs e)

        {

            Computer myComputer = new Computer();

            Student myStudent = (Student)Session["Student"];

            myComputer = myStudent.Computers.GetOne(decimal.Parse(((ImageButton)sender).CommandArgument));

            Label_ComputerID.Text = myComputer.id.ToString();

            TextBox_computertime.Text = ((DateTime)myComputer.computer_time).ToShortDateString();



            ViewState["status"] = 3;

            Label_result.Text = "";

            Label_nolist.Visible = false;

            TextBox_nolist.Visible = false;

            TextBox_nolist.Text = "";

            Label_EditInformation2.Text = myComputer.computer_level + " "+((DateTime)myComputer.computer_time).ToShortDateString();

        }



        //修改按钮

        protected void ImageButton_Edit_Click(object sender, ImageClickEventArgs e)

        {

            Computer myComputer = new Computer();

            Student myStudent1 = (Student)Session["Student"];

            myComputer.id = decimal.Parse(Label_ComputerID.Text.ToString());

            if (TextBox_nolist.Text == null || TextBox_nolist.Text == string.Empty)

                myComputer.computer_level = DropDownList_computerlevel.SelectedValue;

            else

            {

                myComputer.computer_level = TextBox_nolist.Text.ToString();

            }

            try

            {

                myComputer.computer_time = (DateTime.Parse(TextBox_computertime.Text.ToString()));

                string str = myStudent1.Computers.Update(myComputer);



                if (str.CompareTo(Resources.ErrorMessage.OK) == 0)

                {

                    Label_result.Text = Resources.ErrorMessage.OK;

                    Student myStudent2 = (Student)Session["Student"];

                    GridView_Computer.DataSource = myStudent2.Computers.GetDataSet();

                    GridView_Computer.DataBind();

                }

                else Label_result.Text = Resources.ErrorMessage.DBOptError;



                ViewState["status"] = 1;







                Label_nolist.Visible = false;

                TextBox_nolist.Visible = false;

                TextBox_nolist.Text = "";

                Label_EditInformation2.Text = "";

            }

            catch

            {

                Label_result.Text = "输入时间格式不正确";

            }

           

        }



        //删除按钮

        protected void ImageButton_Delete_Click(object sender, ImageClickEventArgs e)

        {

            Computer myComputer = new Computer();

            Student myStudent1 = (Student)Session["Student"];

            string str = myStudent1.Computers.Delete(decimal.Parse(Label_ComputerID.Text.ToString()));



            if (str.CompareTo(Resources.ErrorMessage.OK) == 0)

            {

                Label_result.Text = Resources.ErrorMessage.OK;

                Student myStudent2 = (Student)Session["Student"];

                GridView_Computer.DataSource = myStudent2.Computers.GetDataSet();

                GridView_Computer.DataBind();

            }

            else Label_result.Text = Resources.ErrorMessage.DBOptError;



            ViewState["status"] = 1;



            Label_nolist.Visible = false;

            TextBox_nolist.Visible = false;

            TextBox_nolist.Text = "";

            Label_EditInformation2.Text = "";

        }





        //添加按钮

        protected void ImageButton_Add_Click(object sender, ImageClickEventArgs e)

        {

            Computer myComputer = new Computer();

            Student myStudent1 = (Student)Session["Student"];

            if (TextBox_nolist.Text == null || TextBox_nolist.Text == string.Empty)

                myComputer.computer_level = DropDownList_computerlevel.SelectedValue;

            else

            {

                myComputer.computer_level = TextBox_nolist.Text.ToString();

            }

            try

            {

                myComputer.computer_time = DateTime.Parse(TextBox_computertime.Text.ToString());

                string str = myStudent1.Computers.Add(myComputer);



                if (str.CompareTo(Resources.ErrorMessage.OK) == 0)

                {

                    Label_result.Text = Resources.ErrorMessage.OK;

                    Student myStudent2 = (Student)Session["Student"];

                    GridView_Computer.DataSource = myStudent2.Computers.GetDataSet();

                    GridView_Computer.DataBind();

                }

                else Label_result.Text = Resources.ErrorMessage.DBOptError;



                ViewState["status"] = 1;





                Label_nolist.Visible = false;

                TextBox_nolist.Visible = false;

                TextBox_nolist.Text = "";

                Label_EditInformation2.Text = "";

            }

            catch

            {

                Label_result.Text = "输入时间格式不正确";

            }

                

          

        }



        protected void ImageButton_Cancel_Click(object sender, ImageClickEventArgs e)

        {

            TextBox_computertime.Text = null;

            ViewState["status"] = 1;



            Label_nolist.Visible = false;

            TextBox_nolist.Visible = false;

            TextBox_nolist.Text = "";

            Label_EditInformation2.Text = "";

        }



        protected void DropDownList_computerlevel_SelectedIndexChanged(object sender, EventArgs e)

        {

            if (DropDownList_computerlevel.SelectedValue == "others")

            {

                Label_nolist.Visible = true;

                TextBox_nolist.Visible = true;

                RequiredFieldValidator_nolist.Enabled = true;

            }

            else

            {

                Label_nolist.Visible = false;

                TextBox_nolist.Visible = false;

                RequiredFieldValidator_nolist.Enabled = false;

            }

        }



        

    }

}