ASPxGridView利用CheckBox实现全选

转自

http://kongjian.baidu.com/hjs%C2%FE%B2%BD%D4%C6%B6%CB/blog/item/273b34344a0aa348251f1448.html

 

cs

 

代码

using  System;
using  System.Collections;
using  System.Configuration;
using  System.Data;
using  System.Linq;
using  System.Web;
using  System.Web.Security;
using  System.Web.UI;
using  System.Web.UI.HtmlControls;
using  System.Web.UI.WebControls;
using  System.Web.UI.WebControls.WebParts;
using  System.Xml.Linq;

using  DevExpress.Web.ASPxGridView;


public   partial   class  结合checkbox_Default : System.Web.UI.Page
{
     protected   void  Page_Load( object  sender, EventArgs e)
     {

     }
     protected   void  selectAll_CheckedChanged( object  sender, EventArgs e)
     {
         int  startid  =  ASPxGridView1.PageIndex  *  ASPxGridView1.SettingsPager.PageSize;
         int  endid;

         if  (ASPxGridView1.PageIndex  ==  ASPxGridView1.PageCount  -   1 )
         {
             endid  =  ASPxGridView1.VisibleRowCount;
         }
         else
         {
             endid  =  (ASPxGridView1.PageIndex  +   1 )  *  ASPxGridView1.SettingsPager.PageSize;
         }

         CheckBox cbHead  =  (CheckBox)sender;
         if  (cbHead.Checked  ==   true )
         {
             CheckBox cb;
             for  ( int  i  =  startid; i  <  endid; i ++ )
             {
                 cb  =  (CheckBox)ASPxGridView1.FindRowCellTemplateControl(i, (GridViewDataColumn)ASPxGridView1.Columns[ " SelectAll " ],  " CheckBox1 " );
                 cb.Checked  =   true ;
             }
         }
         else
         {
             CheckBox cb;
             for  ( int  i  =  startid; i  <  endid; i ++ )
             {
                 cb  =  (CheckBox)ASPxGridView1.FindRowCellTemplateControl(i, (GridViewDataColumn)ASPxGridView1.Columns[ " SelectAll " ],  " CheckBox1 " );
                 cb.Checked  =   false ;
             }
         }
     }
}

 

aspx文件

 

代码

<% @ Page Language = " C# "  AutoEventWireup = " true "  CodeFile = " Default.aspx.cs "  Inherits = " 结合checkbox_Default "   %>

<% @ Register assembly = " DevExpress.Web.ASPxGridView.v7.3, Version=7.3.7.0, Culture=neutral, PublicKeyToken=6d2d307aee1dfbe0 "  namespace = " DevExpress.Web.ASPxGridView "  tagprefix = " dxwgv "   %>
<% @ Register assembly = " DevExpress.Web.ASPxEditors.v7.3, Version=7.3.7.0, Culture=neutral, PublicKeyToken=6d2d307aee1dfbe0 "  namespace = " DevExpress.Web.ASPxEditors "  tagprefix = " dxe "   %>

<! 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 > Untitled Page </ title >
</ head >
< body >
     < form  id ="form1"  runat ="server" >
     < div >
    
         < dxwgv:ASPxGridView  ID ="ASPxGridView1"  runat ="server"  
             AutoGenerateColumns ="False"  DataSourceID ="SqlDataSource1"  
             KeyFieldName ="ProductID" >
             < Columns >
                 < dxwgv:GridViewDataTextColumn  FieldName ="ProductID"  ReadOnly ="True"  
                     VisibleIndex ="0" >
                     < EditFormSettings  Visible ="False"   />
                 </ dxwgv:GridViewDataTextColumn >
                 < dxwgv:GridViewDataTextColumn  FieldName ="ProductName"  VisibleIndex ="1" >
                 </ dxwgv:GridViewDataTextColumn >
                 < dxwgv:GridViewDataCheckColumn  FieldName ="Discontinued"  VisibleIndex ="2" >
                 </ dxwgv:GridViewDataCheckColumn >
                 < dxwgv:GridViewDataTextColumn  FieldName ="SelectAll"  VisibleIndex ="3" >
                     < DataItemTemplate >
                         < asp:CheckBox  ID ="CheckBox1"  runat ="server"  
                             Checked ='<%#  Eval("Discontinued") % > ' />
                     </ DataItemTemplate >
                     < HeaderTemplate >
                         < asp:CheckBox  ID ="selectAll"  runat ="server"  AutoPostBack ="True"  
                             oncheckedchanged ="selectAll_CheckedChanged"   />
                         SelectAll
                     </ HeaderTemplate >
                 </ dxwgv:GridViewDataTextColumn >
             </ Columns >
         </ dxwgv:ASPxGridView >
    
     </ div >
     < asp:SqlDataSource  ID ="SqlDataSource1"  runat ="server"  
         ConnectionString ="<%$ ConnectionStrings:NorthwindConnectionString %>"  
         SelectCommand ="SELECT [ProductID], [ProductName], [Discontinued] FROM [Products] ORDER BY [ProductID]" >
     </ asp:SqlDataSource >
     </ form >
</ body >
</ html >

 

 

数据库有的是Nothwind表是Products