public static bool deleteNSX(EC_NhaSanXuat nsx)
        {
            conn = GetData.KetNoi();
            string sTruyVan = "NhaSanXuat_Delete";

            cmd             = new SqlCommand(sTruyVan, conn);
            cmd.CommandType = CommandType.StoredProcedure;
            cmd.Parameters.Add("@MANSX", SqlDbType.NVarChar).Value = nsx.MANSX;
            cmd.ExecuteNonQuery();
            cmd.Dispose();
            conn.Close();
            try
            {
                GetData.ThucThiTruyVanNonQuery(sTruyVan, conn);
                //Đóng kết nối
                GetData.DongKetNoi(conn);
                return(true);
            }
            catch (Exception ex)
            {
                //Đóng kết nối
                GetData.DongKetNoi(conn);
                return(false);
            }
        }
 public bool updateNSX(EC_NhaSanXuat nsx)
 {
     return(DA_NhaSanXuat.updateNSX(nsx));
 }
 public bool deleteNSX(EC_NhaSanXuat nsx)
 {
     return(DA_NhaSanXuat.deleteNSX(nsx));
 }
 public bool insertNSX(EC_NhaSanXuat nsx)
 {
     return(DA_NhaSanXuat.insertNSX(nsx));
 }