void btnRefresh_Click(object sender, EventArgs e) { Facade.IReferenceData facRefData = new Facade.ReferenceData(); int identityID = 0; int.TryParse(cboClient.SelectedValue, out identityID); TotalRevenue = facRefData.GetTotalRevenueReport(NominalCodeIDs, rblState.Items[0].Selected, identityID, dteStartDate.SelectedDate.Value, dteEndDate.SelectedDate.Value); grdSummary.DataSource = TotalRevenue; grdSummary.Rebind(); }