}//btnSend_Click private void GetListItem() { ItemDal dal = new ItemDal(); DataSet ds = dal.GetListItem(); if (ds != null && ds.Tables[0].Rows.Count > 0) { chbProdect.DataValueField = "Code"; chbProdect.DataTextField = "Name"; chbProdect.DataSource = ds.Tables[0]; chbProdect.DataBind(); } }