private DataTable GridDataSource() { prop.strDate = txtstrdate.Text; prop.endDate = txtenddate.Text; Businesslayer p = new Businesslayer(); DataTable dTable = new DataTable(); try { dTable = p.bllLoadProfit(prop); } catch (Exception ee) { //lblMessage.Text = ee.Message.ToString(); } finally { p = null; } return(dTable); }