public bool blnIsExisted(int ID, string code, int objectType_Id, int Department_Id, int ExamType_ID,
                                 int Doctor_ID)
        {
            try
            {
                DmucDichvukcbCollection v_DmucDichvukcb =
                    new DmucDichvukcbController().FetchByQuery(
                        DmucDichvukcb.CreateQuery().AddWhere(DmucDichvukcb.Columns.MaDichvukcb,
                                                             Comparison.Equals, txtCode.Text.Trim()).AND(
                            DmucDichvukcb.Columns.IdPhongkham,
                            Comparison.Equals, Department_Id).AND(
                            DmucDichvukcb.Columns.IdDoituongKcb,
                            Comparison.Equals, objectType_Id).AND(
                            DmucDichvukcb.Columns.IdKieukham,
                            Comparison.Equals, ExamType_ID).AND(
                            DmucDichvukcb.Columns.IdBacsy,
                            Comparison.Equals, Doctor_ID).AND(
                            DmucDichvukcb.Columns.IdDichvukcb,
                            Comparison.NotEquals, ID));
                return(v_DmucDichvukcb.Count > 0);

                return(true);
            }
            catch (Exception)
            {
                return(false);
            }
        }