Problem with javascript validation on gridview emptydatatemplate controls

Hi,
Thanks for your quick reply. Please find the javascript code below.

<code>
<pre lang="cs">function validatemodel(ddlModel,ddlPncSku,ddlBrandName,txtModelNoEdt, ddlSalesMarket,txtPilotRunDate1Edt,txtPilotRunDate2Edt,
 txtMassProdRunDateEdt,txtShiplogDateEdt,ddlProjectClosed)
{
      var msg = &quot;&quot;;
      var Model_ddlst = document.getElementById(ddlModel);
      var Model_val;
      if (Model_ddlst == null)
      {
        var Model_txt = document.getElementById(txtModelNoEdt);
            Model_val=ElectroluxModel_txt.value;
      }
      else
      {
         Model_val = Model_ddlst.options[Model_ddlst.selectedIndex].value;
      }


      var PncSku_ddlst = document.getElementById(ddlPncSku);
      var PncSku_val = PncSku_ddlst.options[PncSku_ddlst.selectedIndex].value;
      var BrandName_ddlst = document.getElementById(ddlBrandName);
      var BrandName_val = BrandName_ddlst.options[BrandName_ddlst.selectedIndex].value;
       //alert(BrandName_val);
      var SalesMarket_ddlst = document.getElementById(ddlSalesMarket);
      var SalesMarket_val = SalesMarket_ddlst.options[SalesMarket_ddlst.selectedIndex].value;
      //alert(SalesMarket_val);
      var PilotRunDate1_txt = document.getElementById(txtPilotRunDate1Edt);
      var PilotRunDate1_val= PilotRunDate1_txt.value;
      //alert(PilotRunDate1_val);
      var PilotRunDate2_txt = document.getElementById(txtPilotRunDate2Edt);
      var PilotRunDate2_val= PilotRunDate2_txt.value;
      //alert(PilotRunDate2_val);
      var MassProdRunDate_txt = document.getElementById(txtMassProdRunDateEdt);
      var MassProdRunDate_val= MassProdRunDate_txt.value;
      //alert(MassProdRunDate_val);
      var ShiplogDate_txt = document.getElementById(txtShiplogDateEdt);
      var ShiplogDate_val= ShiplogDate_txt.value;
      //alert(ShiplogDate_val);

      var ProjectClosed_ddlst = document.getElementById(ddlProjectClosed);
      var ProjectClosed_val = ProjectClosed_ddlst.options[ProjectClosed_ddlst.selectedIndex].value;
        //alert(ProjectClosed_val);
        if(ElectroluxModel_val == &quot;--Select--&quot; || ElectroluxModel_val==&quot;&quot;)
        {
            msg+=&quot;- Please give one valid Electrolux Model.
&quot;;
        }

        if(ElectroluxPncSku_val == &quot;--Select--&quot; || ElectroluxPncSku_val == null)
        {
            msg+=&quot;- Please select one valid Electrolux PNC SKU.
&quot;;
        }

        if(BrandName_val == &quot;--Select--&quot; || BrandName_val == null)
        {
            msg+=&quot;- Please select one valid Brand Name.
&quot;;
        }

        if(SalesMarket_val == &quot;--Select--&quot; || SalesMarket_val == null)
        {
            msg+=&quot;- Please select one valid Sales Market.
&quot;;
        }

        if(ProjectClosed_val == &quot;--Select--&quot; || ProjectClosed_val == null)
        {
            msg+=&quot;- Please select Y if the Project Closed or select N otherwise.
&quot;;
        }

      if(msg==&quot;&quot;)
      {

        return true;
      }
      else
      {
        alert(&quot;The following fields are mandatory.

&quot; + msg);
        return false;
      }
}