protected void grdSeries_RowCommand(object sender, GridViewCommandEventArgs e)
 {
     if (e.CommandName.Equals("REMOVE"))
     {
         SeriesBiz sBiz = new SeriesBiz();
         int       id   = int.Parse(e.CommandArgument.ToString());
         if (sBiz.DeleteSeriesMappingByID(id, ProductId))
         {
             BindingSeries();
         }
     }
 }