public bool them(LoaiCauThuDTO lct)
        {
            string query = string.Empty;

            query += "INSERT INTO [loaicauthu] ([MaLoaiCT], [LoaiCauThu])";
            query += "VALUES (@MaLoaiCT,@LoaiCauThu)";
            using (SqlConnection con = new SqlConnection(ConnectionString))
            {
                using (SqlCommand cmd = new SqlCommand())
                {
                    cmd.Connection  = con;
                    cmd.CommandType = System.Data.CommandType.Text;
                    cmd.CommandText = query;
                    cmd.Parameters.AddWithValue("@MaLoaiCT", lct.MaLoaiCT);
                    cmd.Parameters.AddWithValue("@LoaiCauThu", lct.LoaiCauThu);
                    try
                    {
                        con.Open();
                        cmd.ExecuteNonQuery();
                        con.Close();
                        con.Dispose();
                    }
                    catch (Exception ex)
                    {
                        con.Close();
                        return(false);
                    }
                }
            }
            return(true);
        }
        public bool them(LoaiCauThuDTO lct)
        {
            bool re = lctDAL.them(lct);

            return(re);
        }