private void BindAlert(DropDownList ddlAlert) { DataTable dtSIPAlert = new DataTable(); dtSIPAlert = alertBo.GetSIPAlert(1); ddlAlert.DataSource = dtSIPAlert; ddlAlert.DataValueField = dtSIPAlert.Columns["EventOperatorDataID"].ToString(); ddlAlert.DataTextField = dtSIPAlert.Columns["EventOperatorDataID"].ToString(); ddlAlert.DataBind(); ddlAlert.Items.Insert(0, new ListItem("Select", "0")); }