public void Save(DM_NhomHang data) { using (Karaoke2017Entities db = new Karaoke2017Entities()) { if (data.id > 0) { var nhomHang = db.DM_NhomHang.Find(data.id); nhomHang.ma = data.ma; nhomHang.ten = data.ten; nhomHang.ghichu = data.ghichu; db.SaveChanges(); } else { db.DM_NhomHang.Add(data); db.SaveChanges(); } } }
//Lưu private void bbtnLuu_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e) { if (!CheckData()) { return; } else { DM_NhomHang data = new DM_NhomHang() { ma = txtMa.Text.Trim(), ten = txtTen.Text.Trim(), ghichu = txtGhiChu.Text.Trim() }; if (_id > -1) { data.id = _id; } NhomHangController.Instance.Save(data); this.Close(); } }