C# DatabaseVersionMismatchEventArgs类代码示例

        private void ValidationTesterAspNetApplication_DatabaseVersionMismatch(object sender, DatabaseVersionMismatchEventArgs e) {
#if EASYTEST
			e.Updater.Update();
			e.Handled = true;
#else
            e.Updater.Update();
            e.Handled = true;
            if (Debugger.IsAttached) {
                e.Updater.Update();
                e.Handled = true;
            } else {
                string message = "The application cannot connect to the specified database, because the latter doesn't exist or its version is older than that of the application.\r\n" +
                    "This error occurred  because the automatic database update was disabled when the application was started without debugging.\r\n" +
                    "To avoid this error, you should either start the application under Visual Studio in debug mode, or modify the " +
                    "source code of the 'DatabaseVersionMismatch' event handler to enable automatic database update, " +
                    "or manually create a database using the 'DBUpdater' tool.\r\n" +
                    "Anyway, refer to the following help topics for more detailed information:\r\n" +
                    "'Update Application and Database Versions' at http://www.devexpress.com/Help/?document=ExpressApp/CustomDocument2795.htm\r\n" +
                    "'Database Security References' at http://www.devexpress.com/Help/?document=ExpressApp/CustomDocument3237.htm\r\n" +
                    "If this doesn't help, please contact our Support Team at http://www.devexpress.com/Support/Center/";

                if (e.CompatibilityError != null && e.CompatibilityError.Exception != null) {
                    message += "\r\n\r\nInner exception: " + e.CompatibilityError.Exception.Message;
                }
                throw new InvalidOperationException(message);
            }
#endif
        }

        void XVideoRentalWindowsFormsApplication_DatabaseVersionMismatch(object sender,
                                                                         DatabaseVersionMismatchEventArgs e) {
            
#if EASYTEST
            e.Updater.Update();
            e.Handled = true;
#else
            if (this.DropDatabaseOnVersionMissmatch() > 0)
                Application.ExitThread();
            if (Debugger.IsAttached) {
                e.Updater.Update();
                e.Handled = true;
            }
            else {
                throw new InvalidOperationException(
                    "The application cannot connect to the specified database, because the latter doesn't exist or its version is older than that of the application.\r\n" +
                    "This error occurred  because the automatic database update was disabled when the application was started without debugging.\r\n" +
                    "To avoid this error, you should either start the application under Visual Studio in debug mode, or modify the " +
                    "source code of the 'DatabaseVersionMismatch' event handler to enable automatic database update, " +
                    "or manually create a database using the 'DBUpdater' tool.\r\n" +
                    "Anyway, refer to the 'Update Application and Database Versions' help topic at http://www.devexpress.com/Help/?document=ExpressApp/CustomDocument2795.htm " +
                    "for more detailed information. If this doesn't help, please contact our Support Team at http://www.devexpress.com/Support/Center/");
            }
#endif
        }

        private void ReportsTesterWindowsFormsApplication_DatabaseVersionMismatch(object sender, DatabaseVersionMismatchEventArgs e) {
#if EASYTEST
			e.Updater.Update();
			e.Handled = true;
#else
            if (true) {
                e.Updater.Update();
                e.Handled = true;
            }
#endif
        }

 private void DCSecurityDemoAspNetApplication_DatabaseVersionMismatch(object sender, DatabaseVersionMismatchEventArgs e) {
     try {
         e.Updater.Update();
         e.Handled = true;
     } catch (CompatibilityException exception) {
         if (exception.Error is CompatibilityUnableToOpenDatabaseError) {
             throw new UserFriendlyException(
             "The connection to the database failed. This demo requires the local instance of Microsoft SQL Server Express. To use another database server,\r\nopen the demo solution in Visual Studio and modify connection string in the \"app.config\" file.");
         }
     }
 }

        //        protected override ShowViewStrategyBase CreateShowViewStrategy() {
        //            return new ShowInSingleWindowStrategy(this);
        //        }

        private void FeatureCenterWindowsFormsApplication_DatabaseVersionMismatch(object sender, DatabaseVersionMismatchEventArgs e) {

#if EASYTEST
			e.Updater.Update();
			e.Handled = true;
#else
            if (true) {
                if (this.DropDatabaseOnVersionMissmatch() > 0)
                    Application.ExitThread();
                e.Updater.Update();
                e.Handled = true;
            } else {
                throw new InvalidOperationException(
                    "The application cannot connect to the specified database, because the latter doesn't exist or its version is older than that of the application.\r\n" +
                    "The automatic update is disabled, because the application was started without debugging.\r\n" +
                    "You should start the application under Visual Studio, or modify the " +
                    "source code of the 'DatabaseVersionMismatch' event handler to enable automatic database update, " +
                    "or manually create a database using the 'DBUpdater' tool.");
            }
#endif
        }

 void SecuritySystemExampleWindowsFormsApplication_DatabaseVersionMismatch(object sender,
                                                                           DatabaseVersionMismatchEventArgs e) {
     throw new InvalidOperationException(
         "The application cannot connect to the specified database, because the latter doesn't exist or its version is older than that of the application.");
 }

 protected override void OnDatabaseVersionMismatch(DatabaseVersionMismatchEventArgs args) {
     args.Updater.Update();
     args.Handled = true;
 }

		private void EFDemoWebApplication_DatabaseVersionMismatch(Object sender, DatabaseVersionMismatchEventArgs e) {
			e.Updater.Update();
			e.Handled = true;
		}

 void app_DatabaseVersionMismatch(object sender, DatabaseVersionMismatchEventArgs e)
 {
     e.Handled = true;
 }

 void OnVersionMismatch(object sender, DatabaseVersionMismatchEventArgs args) {
     args.Updater.Update();
     args.Handled = true;
 }

 protected override void OnDatabaseVersionMismatch(DatabaseVersionMismatchEventArgs args)
 {
     args.Handled = true;
     base.OnDatabaseVersionMismatch(args);
 }

        /// <summary>
        /// http://www.devexpress.com/Help/?document=ExpressApp/CustomDocument2795.htm 
        /// ЗДЕСЬ ПРОИСХОДИТ ОБНОВЛЕНИЕ БД !!!
        /// </summary>
        private void Application_DatabaseVersionMismatch(object sender, DatabaseVersionMismatchEventArgs e)
        {
            if (e.CompatibilityError is CompatibilityDatabaseIsOldError)
            { // если база есть, но другой версии

                SplashScreenStop();

                string compatibilityError = e.CompatibilityError.Message;
                System.Windows.Forms.DialogResult dialog = XtraMessageBox.Show(Strings.WinApplication_CompatibilityDatabaseIsOldWarning,
                    this.ApplicationName, System.Windows.Forms.MessageBoxButtons.YesNo, System.Windows.Forms.MessageBoxIcon.Warning);

                if (dialog == System.Windows.Forms.DialogResult.Yes)
                {
                    this.StartSplash();

                    CreateDatabaseBackup();

                    try
                    {
                        SplashScreenSetDisplayText(Strings.SplashScreenText_Application_DatabaseUpdateBegin);

                        e.Updater.Update();
                        e.Handled = true;

                        SplashScreenSetDisplayText(Strings.SplashScreenText_Application_DatabaseUpdateEnd);

                    }
                    catch (Exception ex)
                    {
                        string UpdateError = ex.Message;

                        SplashScreenStop();

                        Config.Data.UserSettings.DBPathIsInstalled = false;
                        Config.Data.UserSettings.Save();

                        string message = String.Format("{0}\n{1}\n{2}", Strings.WinApplication_DatabaseUpdateGlobalError, compatibilityError, UpdateError);

                        ErrorManager.RaiseException(ErrorCode.Application_DatabaseUpdateFailed, message);
                    }
                }
                else
                {// если пользователь отменил обновление
                    ErrorManager.RaiseException(ErrorCode.Application_DatabaseUpdateCanceled, "");
                }

                return;

            }
            else if (e.CompatibilityError is CompatibilityUnableToOpenDatabaseError)
            { // если базы нету совсем

                string compatibilityError = e.CompatibilityError.Message;
                try
                {
                    string databaseDirectory = Path.GetDirectoryName(Config.Data.AppSettings.DatabaseFile);

                    if (Directory.Exists(databaseDirectory) == false)
                        Directory.CreateDirectory(databaseDirectory);

                    SplashScreenSetDisplayText(Strings.SplashScreenText_Application_DatabaseCreateBegin);

                    e.Updater.Update();
                    e.Handled = true;

                    CreateBuiltInObjects();

                    SplashScreenSetDisplayText(Strings.SplashScreenText_Application_DatabaseCreateEnd);

                    //this.SetUserSetting("DBPathIsInstalled", "true");
                }
                catch (Exception ex)
                {
                    string UpdateError = ex.Message;

                    SplashScreenStop();

                    Config.Data.UserSettings.DBPathIsInstalled = false;
                    Config.Data.UserSettings.Save();
                    //Config.SaveAll();

                    string message = String.Format("{0}\n{1}\n{2}", Strings.WinApplication_DatabaseCreateGlobalError, compatibilityError, UpdateError);

                    ErrorManager.RaiseException(ErrorCode.Application_DatabaseCreateFailed, message);

                }

                SplashScreenStop();

                // Показывем форму перовначальной настройки
                ShowFirstLaunchPatameters();
            }
        }

 private void AIR_ERPAspNetApplication_DatabaseVersionMismatch(object sender, DatabaseVersionMismatchEventArgs e)
 {
     e.Updater.Update();
     e.Handled = true;
 }