private void LoadTakenValidating() { grdTakenValidating.DataSource = null; grdTakenValidating.DataBind(); string TAKEN_BY_VALIDATORS = System.Configuration.ConfigurationManager.AppSettings["TAKEN_BY_VALIDATORS"].ToString(); ProposalUploadController proposalUploadController = new ProposalUploadController(); grdTakenValidating.DataSource = proposalUploadController.GetQuotationNosOfStatusWithUser(TAKEN_BY_VALIDATORS); if (grdTakenValidating.DataSource != null) { grdTakenValidating.DataBind(); updPnlTakenValidating.Update(); } }