protected void ddlTicketCategory_SelectedIndexChanged(object sender, EventArgs e) { try { string catValue = ddlTicketCategory.SelectedItem.Value; ddlTicketCategoryUpdate.DataSource = uc.GetSubCategoryOnupdate(catValue); ddlTicketCategoryUpdate.DataBind(); ddlTicketCategoryUpdate.DataTextField = "fi_name"; ddlTicketCategoryUpdate.DataValueField = "fi_id"; ddlTicketCategoryUpdate.DataBind(); } catch (Exception ex) { string text = ex.Message.ToString(); ScriptManager.RegisterStartupScript(this, typeof(Page), "Warning", "<script>showpoperror('" + text + "')</script>", false); } }