DataGrid点击标题进行排序的JS

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">

<HTML><HEAD>
<META http-equiv=Content-Type content="text/html; charset=gb2312"><PUBLIC:ATTACH
ONEVENT="cleanup()" EVENT="ondetach"></PUBLIC:ATTACH>
<SCRIPT language=javascript>
  var TableName = "AspxCC";

  var ParentObj = null;
  function ClickThis(e)
  {
   if(ParentObj != null)
   {
    ParentObj.style.backgroundColor = "#FFFFFF";
   }
   e.style.backgroundColor = "#DEF8FF";
   ParentObj = e;
   e.style.backgroundColor = "#DEF8FF";
  }

  function window.onload()
  {
   var Obj = eval("document.all."+ TableName +".rows;");
   for(var i=1; i<Obj.length; i++)
   {
    Obj[i].onclick  = new Function("ClickThis(this)");
   }

   var ObjHead = eval("document.all."+ TableName +".rows[0].cells");
   for(var i=0; i<ObjHead.length; i++)
   {
    ObjHead[i].innerHTML = "<span style=\"cursor:hand;100%\" onclick=\"Order(this)\">"+ ObjHead[i].innerHTML +"</span>";
   }
  }

  var ParentNode = null;
  function Order(e)
  {
   if(ParentNode != null && ParentNode != e)
   {
    ParentNode.innerText = ParentNode.innerText.replace(UP(),'').replace(Down(),'');
   }
   if(ParentNode != e)
   {
    e.innerText = e.innerText.replace(UP(),'').replace(Down(),'') + UP();
    OrderThis(e,"D");
   }
   else
   {
    if(e.innerText.replace(UP(),'') != e.innerText)
    {
     e.innerText = e.innerText.replace(UP(),'').replace(Down(),'') + Down();
     OrderThis(e,"U");
    }
    else
    {
     e.innerText = e.innerText.replace(UP(),'').replace(Down(),'') + UP();
     OrderThis(e,"D");
    }
   }
   ParentNode = e;
  }

  function UP()
  {
   return "▼";
  }

  function Down()
  {
   return "▲";
  }

  function OrderThis(e, Order)
  {
   var Rows;
   var ObjHead = eval("document.all."+ TableName +".rows[0].cells");
   for(var i=0; i<ObjHead.length; i++)
   {
    if(ObjHead[i].childNodes[0] == e)
    {
     Rows = i;
     break;
    }
   }

   //alert(Rows);
   //alert(Order);

   var Obj = eval("document.all."+ TableName);
   var d = new Date();
   ShordOrder(Obj, Rows, Order);
   alert("时间："+ (new Date()-d) +"    行数："+ Obj.rows.length);
  }



  //
  // objTB 表名 index所选择的列 Order选择的排序方式（D,U）
  // 关键方法排序
  //
  function ShordOrder(objTB,index, Order){
   var i;
   var j;
   for(i=1;i<(objTB.rows.length-1);i++){
    for(j=i+1;j<objTB.rows.length;j++)
    {
     if(Order == "D")
     {
      if(objTB.rows[j].cells[index].innerText.valueOf() > objTB.rows[i].cells[index].innerText.valueOf())
      {
       objTB.moveRow(j,i);
      }
     }
     else
     {
      if(objTB.rows[j].cells[index].innerText.valueOf() < objTB.rows[i].cells[index].innerText.valueOf())
      {
       objTB.moveRow(j,i);
      }
     }
    }
   }
  }
  </SCRIPT>

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