Esempio n. 1
0
        /// <summary>
        /// 附加在命令发生 SqlException 异常时,直接提示用户的行为。
        /// </summary>
        public static void AttachAlertCommandSqlErrorBehavior()
        {
            CommandRepository.CommandCreated += (o, e) =>
            {
                e.Instance.ExecuteFailed += (oo, ee) =>
                {
                    if (!ee.Cancel)
                    {
                        //如果出现了已知的 SqlException,直接弹出 SqlException 的提示。
                        var sqlex = ee.Exception.GetBaseException() as SqlException;
                        if (sqlex != null)
                        {
                            var sqlerr = SqlErrorInfo.GetSqlError(sqlex.Number);
                            if (sqlerr == null)
                            {
                                return;
                            }

                            App.MessageBox.Show(sqlerr.ErrorMessage.Translate());
                            ee.Cancel = true;
                        }
                    }
                };
            };
        }
Esempio n. 2
0
        public override void Initialize(IApp app)
        {
            AddResources();

            SetupWPFCommands();

            SqlErrorInfo.AttachAlertCommandSqlErrorBehavior();
        }
Esempio n. 3
0
        /// <summary>
        /// 显示一些已知的异常。
        /// </summary>
        /// <param name="ex"></param>
        private static void ShowKnownException(Exception ex)
        {
            var baseException = ex.GetBaseException();

            string msg = null;

            if (baseException is SqlException)
            {
                var sqlEx  = baseException as SqlException;
                var sqlErr = SqlErrorInfo.GetSqlError(sqlEx.Number);
                if (sqlErr != null)
                {
                    msg = sqlErr.ErrorMessage;
                }
                else
                {
                    msg = "数据库访问出现异常。";
                }
            }
            else if (baseException is DbException)
            {
                msg = "数据库访问出现异常。";
            }
            else if (baseException is TimeoutException)
            {
                msg = "网络连接超时,请检查网络连接是否正常";
            }
            else if (baseException is Win32Exception || baseException is EndpointNotFoundException)
            {
                msg = "网络连接出现异常,请检查连接地址是否正确或连接是否正常";
            }

            msg = msg ?? @"遇到未知错误,我们对此引起的不便表示抱歉。系统已经产生了一个关于此错误的报告,希望您将问题反馈给我们以帮助改善质量。";

            App.MessageBox.Show(msg.Translate(), "异常提示".Translate(), MessageBoxButton.OK, MessageBoxImage.Exclamation);
        }