js 删除gridview行

       function removeSlectData(obj)
        {
             var rows = document.getElementById(obj).rows;
             var index = 0;
             var i = 0;
             var elems ;
             var datas = new Array();
             var data;
             var removeFlag;
             for(index = 0;index < rows.length;index++)
             {
                 elems = rows[index].getElementsByTagName('input');
                 removeFlag = false;
                 hasValue = false;
                 data = new Array();
                 data['SKU']='';
                 data['Qty']='';
                 for(i = 0;i<elems.length;i++)
                 {
                     if(elems[i].type == 'checkbox' && elems[i].checked == true)
                     {
                         elems[i].checked = false;
                         removeFlag = true;
                     }
                  }
                 if(removeFlag == true)
                 {
                     for(i = 0;i<elems.length;i++)
                     {
                         if(elems[i].type == 'text')
                         {
                            elems[i].value = '';
                         }
                     }
                  }
                  else
                  {
                     for(i=0;i<elems.length;i++)
                     {
                         if(elems[i].type == 'text' && elems[i].id.indexOf('txtSKU') >= 0 && elems[i].value !='')
                         {
                             data['SKU'] = elems[i].value;
                             elems[i].value = '';
                         }
                         else if(elems[i].type == 'text' && elems[i].id.indexOf('txtQty') >= 0 && elems[i].value !='')
                         {
                             data['Qty'] = elems[i].value;
                             elems[i].value = '';
                         }
                     }
                     if(data['SKU'] != '' || data['Qty'] != '')
                     {
                          datas.push(data);
                     }
                  }
                  elems = rows[index].getElementsByTagName('span');
                  for(i = 0;i<elems.length;i++)
                  {
                     if(elems[i].id.indexOf('lblError') >= 0)
                     {
                         elems[i].innerHTML = '';
                     }
                  }
                 
              }
              if(datas.length == 0)
              {
                  return false;
              }
              for(index = 1;index <= datas.length ;index++)
              {
                  elems = rows[index].getElementsByTagName('input');
                  for(i=0;i<elems.length;i++)
                  {
                      if(elems[i].type == 'text' && elems[i].id.indexOf('txtSKU') >= 0)
                      {
                          elems[i].value = datas[index-1]['SKU'];
                      }
                      else if(elems[i].type == 'text' && elems[i].id.indexOf('txtQty') >= 0)
                      {
                          elems[i].value = datas[index-1]['Qty'];
                      }
                  }
               }
               return false;
        }
        //]]>
    </script>