GridView实现多选操作以及全选或者全不选

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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
    
<title>无标题页</title>
    
<script language="javascript" type="text/javascript">
        
//实现GridView的CheckBox全部选择和全部取消
         function CheckAll(checkbox)
        {
             var elements 
= checkbox.form.elements;  
            
for(var i = 0;i < elements.length;i++)
            {  
                
if(elements[i].type == "checkbox"  &&   elements[i].id != checkbox.id)  
                {
                     elements[i].
checked = checkbox.checked;
                 }
             } 
         }
    
</script>
</head>
<body>
    
<form id="form1" runat="server">
        
<table align="center" width="760">
            
<tr>
                
<td>
                    
<asp:GridView ID="GridView1" AutoGenerateColumns="false" DataKeyNames="au_id" runat="server">
                        
<Columns>
                            
<asp:TemplateField>
                                
<HeaderTemplate>
                                    
<input type="checkbox" id="Check" onclick="CheckAll(this)" title="全选/全不选"/> 
                                
</HeaderTemplate>
                                
<ItemTemplate>
                                    
<asp:CheckBox ID="CheckRow" runat="server" />
                                
</ItemTemplate>
                                
<HeaderStyle Width="20px" />
                            
</asp:TemplateField>
                            
<asp:BoundField DataField="au_lname" HeaderText="标题" />
                            
<asp:BoundField DataField="phone" HeaderText="电话" />
                            
<asp:BoundField DataField="address" HeaderText="地址" />
                        
</Columns>
                    
</asp:GridView>
                
</td>                
            
</tr>
         
</table>
    
</form>
</body>
</html>   
//------------------后台获取并处理所选择的列
foreach (GridViewRow row in this.GridView1.Rows)
{
     CheckBox CheckRow 
= (CheckBox)row.FindControl("CheckRow");
    
if (CheckRow.Checked)
    {
        
string id = this.GridView1.DataKeys[row.RowIndex].Values["au_id"].ToString();
        
//其它处理操作略
     }
 
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