Hi
iam a fresher can any one helpme out how to add checkbox to a datagrid. using c#
<%@ Page Language="C#" MasterPageFile="~/MasterPage.master" AutoEventWireup="true" CodeFile="ShiftUpdate.aspx.cs" Inherits="Manual_Sanctions_ShiftUpdate" Title="Untitled Page" %>
<%@ Register Assembly="System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" Namespace="System.Web.UI" TagPrefix="asp" %>
<%@ Register src="~/UserControl/Calender.ascx" tagname="Calender" tagprefix="uc1" %>
<%@ Register Assembly="AjaxControlToolkit" Namespace="AjaxControlToolkit" TagPrefix="cc1" %>
<%@ Register src="~/UserControl/TimeFormate.ascx" tagname="TimeFormate" tagprefix="uc3" %>
<asp:Content ID="Content1" ContentPlaceHolderID="ContentPlaceHolder1" Runat="Server">
<table id="Table33" runat="server" class="TableList" width="100%">
<tr>
<td>
<table id="Table5" runat="server" class="TableList" width="100%">
<tr>
<td style="width: 284px">Shift Updation</td>
</tr>
</table>
<table id="Table1" runat="server" class="TableList" width="100%">
<tr>
<td style="width: 284px">Date Range</td>
</tr>
<tr>
<td style="width: 284px">From Date<uc1:Calender ID="Calender1" runat="server" /></td>
<td>To Date<uc1:Calender ID="Calender2" runat="server" /></td>
</tr>
<tr>
<td style="width: 284px">Selection Mode</td>
</tr>
<tr>
<td style="width: 284px"><asp:RadioButtonList ID="RadioButtonList1" runat="Server" Height="74px">
<asp:ListItem Text="Departmentwise" Value="Departmentwise"></asp:ListItem>
<asp:ListItem Text="Categorywise" Value="Categorywise"></asp:ListItem>
<asp:ListItem Text="Gradewise" Value="Gradewise"></asp:ListItem>
</asp:RadioButtonList>
</td>
</tr>
</table>
<table id="Table2" runat="server" class="TableList" cellpadding="1" cellspacing="1" width="100%" >
<tr>
<td style="width: 189px">Applicable</td>
<td style="width: 197px">Applicable Employees</td>
</tr>
</table>
<table id="Table25" runat="server" class="TableList" cellpadding="1" cellspacing="1" >
<tr>
<td style="width: 224px; height: 121px;"><asp:GridView ID="dgApplicable"
runat="server" AutoGenerateColumns="False" Width="136%"
AllowSorting="True" AllowPaging="True" PageSize="20" onrowediting="dgApplicable_RowEditing"
onpageindexchanging="dgApplicable_PageIndexChanging" Height="127px"
style="margin-right: 75px"
onselectedindexchanged="dgApplicable_SelectedIndexChanged" >
<Columns>
<asp:BoundField DataField="Code" HeaderText="Code" SortExpression="Code ASC"></asp:BoundField>
<asp:BoundField DataField="Category" HeaderText="Category"></asp:BoundField>
</Columns>
</asp:GridView>
</td>
<td style="height: 135px; width: 42px;"><asp:Button id="Button1" Text="->" runat="server" style="width: 51px" Font-Bold="True" ForeColor="Black" Width="87px" Height="26px"/></td>
<td>
<asp:GridView ID="dgAppEmployees" runat="server" AutoGenerateColumns="False" Width="31%"
AllowSorting="True" AllowPaging="True" PageSize="20" onrowediting="dgAppEmployees_RowEditing"
onpageindexchanging="dgAppEmployees_PageIndexChanging" Height="51px" >
<Columns>
<asp:BoundField DataField="EmpCode" HeaderText="EmpCode" SortExpression="Code ASC"></asp:BoundField>
<asp:BoundField DataField="Name" HeaderText="Name"></asp:BoundField>
</Columns>
</asp:GridView>
</td>
</tr>
<tr>
<td colspan="1" valign="top" style="width: 224px">
<asp:CheckBox ID="CheckBox1" runat="server" Text="Select" CssClass="tableList" Height="25px" Width="126px"></asp:CheckBox>
</td>
<td></td>
<td><asp:CheckBox ID="CheckBox2" runat="server" Text="Select" CssClass="tableList" Height="25px" Width="126px"></asp:CheckBox></td>
</tr>
</table>
</td>
<td>
<table>
<tr>
<td style="width: 189px">Change Type</td>
</tr>
<tr>
<td><asp:RadioButton ID="radFix" runat="server" Text="Fix Shift" />
<asp:RadioButton ID="radRotation" runat="server" Text="Rotation" />
<asp:RadioButton ID="radweekoff" runat="server" Text="Weekoff" />
<tr>
<td>
</td>
</tr>
<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" Width="176px"
AllowSorting="True" AllowPaging="True" PageSize="20" Height="51px" >
<Columns>
<asp:BoundField DataField="Code" HeaderText="Code" SortExpression="Code ASC"></asp:BoundField>
<asp:BoundField DataField="InTime" HeaderText="InTime"></asp:BoundField>
<asp:BoundField DataField="OutTime" HeaderText="OutTime"></asp:BoundField>
<asp:BoundField DataField="LocationCode" HeaderText="LocationCode"></asp:BoundField>
<asp:BoundField DataField=" " HeaderText=" "></asp:BoundField>
</Columns>
</asp:GridView>
</td>
</tr>
<tr>
<td colspan="1" style="width: 284px"><asp:Button id="Button2" Text="UPDATE" runat="server" />
<asp:Button id="Button3" Text="EXIT" runat="server" /></td>
</tr>
</table>
</td>
</tr>
</table>
<table id="Table13" runat="server" class="TableList" cellpadding="1" cellspacing="1" >
</table>
</asp:Content>