以XMLHttpRequest方式填入DataGrid

 古老的AJAX做法...

 DataGrid只能看，不能用...

 JavaScript Code 

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var  client= null ; 
if  (window.XMLHttpRequest){ 
    client =  new  XMLHttpRequest(); 
} 
else   if  (window.ActiveXObject){ 
    client =  new  ActiveXObject( "Microsoft.XMLHTTP" ); 
}

function  getDataGrid(app_date) 
{ 
     try  
    { 
         var  url= "Grid.aspx" ;
        url=url+ '?app_data=' +document.getElementById( 'app_data' ).value; 
        client.open( "GET" , url); 
        client.onreadystatechange = callBack; 
        client.send(); 
    } 
     catch (ex) 
    { 
        alert(ex.message); 
    } 
} 
 
function  callBack(response) 
{ 
     try  
    { 
         if (client.readyState ==  4  && client.status ==  200 ) 
        { 
            document.getElementById( "GridSection" ).innerHTML=client.responseText;
        } 
    } 
     catch (ex) 
    { 
        alert(ex.message); 
    } 
} 

 

 

 C# Code 

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         protected   void  Page_Load( object  sender, System.EventArgs e)
        {
             if (! this .IsPostBack)
            {
                 if  (Request[ "app_data" ] !=  null )
                {
                     this .SetBind(( string )Request[ "app_data" ]);
                }
            }
        }
        
         //取得主DataGrid畫面資料
         private   void  SetBind( string  app_data)
        {
             //資料
            DataTable Store = Operator.getDataGridDataSource(app_date).Tables[ 0 ];
            DataView StoreView =  new  DataView(Store);
            GridCS.DataSource = StoreView;
            GridCS.DataBind();

             //將Grid寫到網頁
            System.IO.StringWriter sw =  new  System.IO.StringWriter();
            HtmlTextWriter hw =  new  HtmlTextWriter(sw);
            Response.ClearHeaders();
            Response.Clear();
            Response.Charset =  "UTF-8" ;
            GridCS.RenderControl(hw);
            Response.Write(sw.ToString());
            Response.End();
        }