protected void ddlCampYear_SelectedIndexChanged(object sender, EventArgs e) { if (ddlCampYear.SelectedItem.Value != "-1") { lblErr.Text = ""; double grant = 0; CamperApplication oCA = new CamperApplication(); grant = (double)oCA.getCamperGrantForTimeInCamp((string)Session["FJCID"], Convert.ToInt32(lblNoofDays.Text), Convert.ToInt32(ddlCampYear.SelectedValue)); txtAmt.Text = Convert.ToString(grant); } else { ddlCampYear.ClearSelection(); ddlCampYear.SelectedValue = hdnCampYear.Value; lblErr.Font.Bold = true; lblErr.Text = "You cannot change the Yr of Grant value to N/A option."; } }