protected virtual void Page_Load(object sender, EventArgs e)
 {
     /*if ( oGridPager != null )
      * {
      *      oParentGrid = oGridPager.GridObject;
      * }*/
     if (oSGridPager != null)
     {
         oParentGrid = oSGridPager.GridObject;
     }
     if (oFilter != null)
     {
         oFilter.SqlProcedureName = sGridSourceQuery;
         oFilter.PrepareGridSource();
         if (!IsPostBack)
         {
             BindGrid();
         }
     }
 }