/Visual Studio 2008/CSWinFormDataGridView/CustomDataGridViewColumn/MainForm.cs

/************************************* Module Header **************************************\

* Module Name:	MaskedTextBoxColumn.cs

* Project:		CSWinFormDataGridView

* Copyright (c) Microsoft Corporation.

* 

* This sample demonstrates the use of custom column definitions within the Windows Forms 

* DataGridView control.

* 

* The Employee ID, SSN, State and Zip Code columns use MaskedTextBox controls for format 

* and validate their input.

* 

* This source is subject to the Microsoft Public License.

* See http://www.microsoft.com/opensource/licenses.mspx#Ms-PL.

* All other rights reserved.

* 

* History:

* * 6/05/2009 3:00 PM Zhi-Xin Ye Created

\******************************************************************************************/



#region Using directives

using System;

using System.Collections.Generic;

using System.ComponentModel;

using System.Data;

using System.Drawing;

using System.Linq;

using System.Text;

using System.Windows.Forms;

#endregion





namespace CSWinFormDataGridView.CustomDataGridViewColumn

{

    public partial class MainForm : Form

    {

        public MainForm()

        {

            InitializeComponent();

        }



        private void MainForm_Load(object sender, EventArgs e)

        {

            DataGridViewTextBoxColumn dgvTextBoxColumn;

            MaskedTextBoxColumn mtbColumn;



            //

            // Employee name.

            //

            dgvTextBoxColumn = new DataGridViewTextBoxColumn();

            dgvTextBoxColumn.HeaderText = "Name";

            dgvTextBoxColumn.Width = 120;

            this.employeesDataGridView.Columns.Add(dgvTextBoxColumn);



            //

            // Employee ID -- this will be of the format:

            // [A-Z][0-9][0-9][0-9][0-9][0-9]

            //

            // this is well sutied to using a MaskedTextBox column.

            //

            mtbColumn = new MaskedTextBoxColumn();

            mtbColumn.HeaderText = "Employee ID";

            mtbColumn.Mask = "L00000";

            mtbColumn.Width = 75;

            this.employeesDataGridView.Columns.Add(mtbColumn);



            //

            // [American] Social Security number, of the format:

            // ###-##-####

            // 

            mtbColumn = new MaskedTextBoxColumn();

            mtbColumn.HeaderText = "SSN";

            mtbColumn.Mask = "000-00-0000";

            mtbColumn.Width = 75;

            this.employeesDataGridView.Columns.Add(mtbColumn);



            //

            // Address

            //

            dgvTextBoxColumn = new DataGridViewTextBoxColumn();

            dgvTextBoxColumn.HeaderText = "Address";

            dgvTextBoxColumn.Width = 150;

            this.employeesDataGridView.Columns.Add(dgvTextBoxColumn);



            //

            // City

            //

            dgvTextBoxColumn = new DataGridViewTextBoxColumn();

            dgvTextBoxColumn.HeaderText = "City";

            dgvTextBoxColumn.Width = 75;

            this.employeesDataGridView.Columns.Add(dgvTextBoxColumn);



            //

            // State

            //

            mtbColumn = new MaskedTextBoxColumn();

            mtbColumn.HeaderText = "State";

            mtbColumn.Mask = "LL";

            mtbColumn.Width = 40;

            this.employeesDataGridView.Columns.Add(mtbColumn);



            //

            // Zip Code #####-#### (+4 optional)

            //

            mtbColumn = new MaskedTextBoxColumn();

            mtbColumn.HeaderText = "Zip Code";

            mtbColumn.Mask = "00000-0000";

            mtbColumn.Width = 75;

            mtbColumn.ValidatingType = typeof(ZipCode);

            this.employeesDataGridView.Columns.Add(mtbColumn);





            //

            // Department Code

            //

            dgvTextBoxColumn = new DataGridViewTextBoxColumn();

            dgvTextBoxColumn.HeaderText = "Department";

            dgvTextBoxColumn.ValueType = typeof(int);

            dgvTextBoxColumn.Width = 75;

            this.employeesDataGridView.Columns.Add(dgvTextBoxColumn);

        }

    }



    // Type that represents a US Zipcode to demonstrate

    // the ValidatingType feature on the MaskedTextBox.

    #region ZipCode Class



    public class ZipCode

    {

        private int zipCode;

        private int plusFour;



        public ZipCode()

        {

            this.zipCode = 0;

            this.plusFour = 0;

        }



        public ZipCode(string in_zipCode)

        {

            parseFromString(in_zipCode, out zipCode, out plusFour);

        }



        public ZipCode(int in_ivalue)

        {

            this.zipCode = in_ivalue;

            this.plusFour = 0;

        }





        public static implicit operator ZipCode(string s)

        {

            return new ZipCode(s);

        }



        public static implicit operator ZipCode(int i)

        {

            return new ZipCode(i);

        }





        protected static void parseFromString

        (

            string in_string,

            out int out_zipCode,

            out int out_plusFour

        )

        {

            int zc = 0, pf = 0;

            char[] charray;

            int x = 0;



            if (in_string == null || in_string.Equals(""))

            {

                throw new ArgumentException("Invalid String");

            }



            charray = in_string.Trim().ToCharArray();



            for (x = 0; x < 5; x++)

            {

                if (!Char.IsDigit(charray[x]))

                {

                    throw new ArgumentException("Invalid String");

                }



                zc = zc * 10 + numfromchar(charray[x]);

            }



            while (x < charray.Length && !Char.IsDigit(charray[x]))

            {

                x++;

            }



            if (x < charray.Length)

            {

                for (int y = x; y < 4; y++)

                {

                    if (!Char.IsDigit(charray[y]))

                    {

                        throw new ArgumentException("Invalid ZipCode String");

                    }



                    pf = pf * 10 + numfromchar(charray[y]);

                }

            }



            out_zipCode = zc;

            out_plusFour = pf;

        }





        private static int numfromchar(char c)

        {

            switch (c)

            {

                case '0':

                    return 0;

                case '1':

                    return 1;

                case '2':

                    return 2;

                case '3':

                    return 3;

                case '4':

                    return 4;

                case '5':

                    return 5;

                case '6':

                    return 6;

                case '7':

                    return 7;

                case '8':

                    return 8;

                case '9':

                    return 9;



                default:

                    throw new ArgumentException("invalid digit");

            }

        }



        public override string ToString()

        {

            StringBuilder sb = new StringBuilder(10);



            sb.Append(zipCode.ToString("00000"));

            sb.Append("-");

            sb.Append(plusFour.ToString("0000"));



            return sb.ToString();

        }

    }

    

    #endregion 



}