事物

  #region IOrder 成员

        bool IDal.IOrder.ProcessOrder(IList<Modal.CartItem> li, string user)
        {
            using (SqlConnection connection = new SqlConnection(Common.Common.cn))
            {
                connection.Open();
               SqlTransaction sqlTran = connection.BeginTransaction();

              SqlCommand command = connection.CreateCommand();
                command.Transaction = sqlTran;

                try
                {
                    command.CommandText =
                      "select id from Users where Name=" + user;
                 int userID= Convert.ToInt32(  command.ExecuteScalar());
                    command.CommandText =
                      "INSERT INTO Orders(UserId,OrderTime,BillNo,State,Des) VALUES(userID,getdate(),convert(nvarchar(10),userID)+'-'+'...',0,'')";
                    command.ExecuteNonQuery();
                    command.CommandText =
                        "select max(id) from Orders";
                    int oID = Convert.ToInt32(command.ExecuteScalar());
                    sqlTran.Commit();
                    return true;
                }
                catch (Exception ex)
                {
                 
                    sqlTran.Rollback();
                    return false;
                }

            }
        }

        #endregion