javascript|动态        function getData()
          {
            // var doc=document.documentElement;
            // alert(doc.nodeName);
            // var head=doc.getElementsByTagName("HEAD")[0];
           //  var title=head.getElementsByTagName("title")[0];//alert(title.nodeName);
           //  if(title!=null)
          // var child=title.firstChild;alert(child.nodeName);
            // alert(child.nodeValue);
             WebForm5.GetData(GetData_CallBack)
     //var text=document.getElementById("TextBox1");
     //text.value="";
               window.setTimeout("getData()",2000);
          }
          function GetData_CallBack(response)
          {
                var ds=response.value;    
    //alert(ds.Tables[0].Rows.length);
                if(ds!=null && typeof(ds)=="object" && ds.Tables!=null)
                {
                
     var a=new Array();
    // var str="";
     a[a.length]="<table border=1>";
     for(var i=0;i<ds.Tables[0].Rows.length;i++)
     {
      a[a.length]="<tr>";
      a[a.length]="<td>"+ds.Tables[0].Rows[i].RegionName+"</td>";
      a[a.length]="</tr>";
       //     str=str+ds.Tables[0].Rows[i].RegionName;
     }
     a[a.length]="</table>";
                    Layer1.innerHTML=a.join("");
                //       alert(a.length);
              // var sel=document.getElementById("select");
                //  sel.options[0]=new Option("dd","1");
                  
                }  
                else
                {
     alert(ds.Tables[0].Rows.length);
               }    
         //    document.getElementById("TextBox1").value=response.value;  
          }