DataGrid 完全攻略之三（实现删除全选或者全不选）

前台代码：html

<% @ Page language="c#" Codebehind="SelAndDropAll.aspx.cs" AutoEventWireup="false" Inherits="MsDataGrid.SelAndDropAll"  %>
<! DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"  >
< HTML >
     < HEAD >
         < title > DataGrid使用举例 </ title >
         < meta  name ="GENERATOR"  Content ="Microsoft Visual Studio 7.0" >
         < meta  name ="CODE_LANGUAGE"  Content ="C#" >
         < meta  name ="vs_defaultClientScript"  content ="JavaScript" >
         < meta  name ="vs_targetSchema"  content ="http://schemas.microsoft.com/intellisense/ie5" >
     </ HEAD >
     < body  MS_POSITIONING ="GridLayout" >
         < form  id ="Form1"  method ="post"  runat ="server" >
             < FONT  face ="宋体" >
                 < asp:DataGrid  id ="dgShow"  style ="Z-INDEX: 101; LEFT: 31px; POSITION: absolute; TOP: 93px"  runat ="server"  Width ="842px"  Height ="172px"  BorderColor ="Tan"  BorderWidth ="1px"  BackColor ="LightGoldenrodYellow"  CellPadding ="2"  GridLines ="None"  ForeColor ="Black"  PageSize ="1"  AutoGenerateColumns ="False" >
                     < SelectedItemStyle  ForeColor ="GhostWhite"  BackColor ="DarkSlateBlue" ></ SelectedItemStyle >
                     < AlternatingItemStyle  BackColor ="PaleGoldenrod" ></ AlternatingItemStyle >
                     < HeaderStyle  Font-Bold ="True"  BackColor ="Tan" ></ HeaderStyle >
                     < FooterStyle  BackColor ="Tan" ></ FooterStyle >
                     < Columns >
                         < asp:BoundColumn  DataField ="StudentID"  ReadOnly ="True"  HeaderText ="学生ID" ></ asp:BoundColumn >
                         < asp:BoundColumn  DataField ="StudentName"  HeaderText ="学生姓名" ></ asp:BoundColumn >
                         < asp:BoundColumn  DataField ="StudentPass"  HeaderText ="密码" ></ asp:BoundColumn >
                         < asp:BoundColumn  DataField ="Sex"  HeaderText ="性别" ></ asp:BoundColumn >
                         < asp:BoundColumn  DataField ="Birthday"  HeaderText ="生日"  DataFormatString ="{0:yyyy-M-d}" ></ asp:BoundColumn >
                         < asp:BoundColumn  DataField ="Email"  HeaderText ="邮件地址" ></ asp:BoundColumn >
                         < asp:EditCommandColumn  ButtonType ="LinkButton"  UpdateText ="更新"  HeaderText ="操作"  CancelText ="取消"  EditText ="编辑" ></ asp:EditCommandColumn >
                         < asp:ButtonColumn  Text ="删除"  HeaderText ="删除"  CommandName ="Delete" ></ asp:ButtonColumn >
                         < asp:TemplateColumn  HeaderText ="选择" >
                             < HeaderTemplate >
                                 < asp:CheckBox  id ="cbAll"  runat ="server"  OnCheckedChanged ="CheckAll"  Text ="全选"  AutoPostBack ="True" ></ asp:CheckBox >
                             </ HeaderTemplate >
                             < ItemTemplate >
                                 < asp:CheckBox  id ="cbSelect"  runat ="server"  AutoPostBack ="True" ></ asp:CheckBox >
                             </ ItemTemplate >
                         </ asp:TemplateColumn >
                     </ Columns >
                     < PagerStyle  HorizontalAlign ="Center"  ForeColor ="DarkSlateBlue"  BackColor ="PaleGoldenrod" ></ PagerStyle >
                 </ asp:DataGrid >
                 < asp:Button  id ="btnDelete"  style ="Z-INDEX: 102; LEFT: 34px; POSITION: absolute; TOP: 47px"  runat ="server"  Text ="删除" ></ asp:Button ></ FONT >
         </ form >
     </ body >
</ HTML >

后台代码：cs

<% @ Page language = " c# "  Codebehind = " SelAndDropAll.aspx.cs "  AutoEventWireup = " false "  Inherits = " MsDataGrid.SelAndDropAll "   %>
<! DOCTYPE HTML PUBLIC  " -//W3C//DTD HTML 4.0 Transitional//EN "   >
< HTML >
     < HEAD >
         < title > DataGrid使用举例 </ title >
         < meta name = " GENERATOR "  Content = " Microsoft Visual Studio 7.0 " >
         < meta name = " CODE_LANGUAGE "  Content = " C# " >
         < meta name = " vs_defaultClientScript "  content = " JavaScript " >
         < meta name = " vs_targetSchema "  content = " http://schemas.microsoft.com/intellisense/ie5 " >
     </ HEAD >
     < body MS_POSITIONING = " GridLayout " >
         < form id = " Form1 "  method = " post "  runat = " server " >
             < FONT face = " 宋体 " >
                 < asp:DataGrid id = " dgShow "  style = " Z-INDEX: 101; LEFT: 31px; POSITION: absolute; TOP: 93px "  runat = " server "  Width = " 842px "  Height = " 172px "  BorderColor = " Tan "  BorderWidth = " 1px "  BackColor = " LightGoldenrodYellow "  CellPadding = " 2 "  GridLines = " None "  ForeColor = " Black "  PageSize = " 1 "  AutoGenerateColumns = " False " >
                     < SelectedItemStyle ForeColor = " GhostWhite "  BackColor = " DarkSlateBlue " ></ SelectedItemStyle >
                     < AlternatingItemStyle BackColor = " PaleGoldenrod " ></ AlternatingItemStyle >
                     < HeaderStyle Font - Bold = " True "  BackColor = " Tan " ></ HeaderStyle >
                     < FooterStyle BackColor = " Tan " ></ FooterStyle >
                     < Columns >
                         < asp:BoundColumn DataField = " StudentID "  ReadOnly = " True "  HeaderText = " 学生ID " ></ asp:BoundColumn >
                         < asp:BoundColumn DataField = " StudentName "  HeaderText = " 学生姓名 " ></ asp:BoundColumn >
                         < asp:BoundColumn DataField = " StudentPass "  HeaderText = " 密码 " ></ asp:BoundColumn >
                         < asp:BoundColumn DataField = " Sex "  HeaderText = " 性别 " ></ asp:BoundColumn >
                         < asp:BoundColumn DataField = " Birthday "  HeaderText = " 生日 "  DataFormatString = " {0:yyyy-M-d} " ></ asp:BoundColumn >
                         < asp:BoundColumn DataField = " Email "  HeaderText = " 邮件地址 " ></ asp:BoundColumn >
                         < asp:EditCommandColumn ButtonType = " LinkButton "  UpdateText = " 更新 "  HeaderText = " 操作 "  CancelText = " 取消 "  EditText = " 编辑 " ></ asp:EditCommandColumn >
                         < asp:ButtonColumn Text = " 删除 "  HeaderText = " 删除 "  CommandName = " Delete " ></ asp:ButtonColumn >
                         < asp:TemplateColumn HeaderText = " 选择 " >
                             < HeaderTemplate >
                                 < asp:CheckBox id = " cbAll "  runat = " server "  OnCheckedChanged = " CheckAll "  Text = " 全选 "  AutoPostBack = " True " ></ asp:CheckBox >
                             </ HeaderTemplate >
                             < ItemTemplate >
                                 < asp:CheckBox id = " cbSelect "  runat = " server "  AutoPostBack = " True " ></ asp:CheckBox >
                             </ ItemTemplate >
                         </ asp:TemplateColumn >
                     </ Columns >
                     < PagerStyle HorizontalAlign = " Center "  ForeColor = " DarkSlateBlue "  BackColor = " PaleGoldenrod " ></ PagerStyle >
                 </ asp:DataGrid >
                 < asp:Button id = " btnDelete "  style = " Z-INDEX: 102; LEFT: 34px; POSITION: absolute; TOP: 47px "  runat = " server "  Text = " 删除 " ></ asp:Button ></ FONT >
         </ form >
     </ body >
</ HTML >