Consider using Code First Migrations to update the database
發(fā)布時(shí)間：2013/7/14 16:58:09 作者：Admin 閱讀：1501
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解決方法：
說(shuō)明實(shí)體類已經(jīng)有更新，但是數(shù)據(jù)庫(kù)還沒(méi)有更新過(guò)來(lái)，就會(huì)出現(xiàn)如下提示，請(qǐng)?jiān)贜uget控制臺(tái)輸入： Update-Database 相關(guān)指令更新數(shù)據(jù)庫(kù)與實(shí)體類同步。
The model backing the 'DataContext' context has changed since the database was created. Consider using Code First Migrations to update the database (http://go.microsoft.com/fwlink/?LinkId=238269). 說(shuō)明: 執(zhí)行當(dāng)前 Web 請(qǐng)求期間，出現(xiàn)未經(jīng)處理的異常。請(qǐng)檢查堆棧跟蹤信息，以了解有關(guān)該錯(cuò)誤以及代碼中導(dǎo)致錯(cuò)誤的出處的詳細(xì)信息。
異常詳細(xì)信息: System.InvalidOperationException: The model backing the 'DataContext' context has changed since the database was created. Consider using Code First Migrations to update the database (http://go.microsoft.com/fwlink/?LinkId=238269).
源錯(cuò)誤:
行 112: {
行 113: this.DataContext.Configuration.ProxyCreationEnabled = true;
行 114: var value = dbset.Where(where).ToList();
行 115: this.DataContext.Configuration.ProxyCreationEnabled = false;
行 116: return value;
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源文件: E:\aspnet2.0\yunyou2\Yunyou_N\TopWin.Etone.Infrastructure\Framework\RepositoryBase.cs 行: 114
堆棧跟蹤:
[InvalidOperationException: The model backing the 'DataContext' context has changed since the database was created. Consider using Code First Migrations to update the database (http://go.microsoft.com/fwlink/?LinkId=238269).] System.Data.Entity.CreateDatabaseIfNotExists`1.InitializeDatabase(TContext context) +350 System.Data.Entity.Internal.<>c__DisplayClass8.<PerformDatabaseInitialization>b__6() +59 System.Data.Entity.Internal.InternalContext.PerformInitializationAction(Action action) +117 System.Data.Entity.Internal.InternalContext.PerformDatabaseInitialization() +279 System.Data.Entity.Internal.LazyInternalContext.<InitializeDatabase>b__4(InternalContext c) +31 System.Data.Entity.Internal.RetryAction`1.PerformAction(TInput input) +147 System.Data.Entity.Internal.LazyInternalContext.InitializeDatabaseAction(Action`1 action) +276 System.Data.Entity.Internal.LazyInternalContext.InitializeDatabase() +112 System.Data.Entity.Internal.InternalContext.Initialize() +42 System.Data.Entity.Internal.InternalContext.GetEntitySetAndBaseTypeForType(Type entityType) +34 System.Data.Entity.Internal.Linq.InternalSet`1.Initialize() +124 System.Data.Entity.Internal.Linq.InternalSet`1.GetEnumerator() +33 System.Data.Entity.Infrastructure.DbQuery`1.System.Collections.Generic.IEnumerable<TResult>.GetEnumerator() +91 System.Linq.WhereEnumerableIterator`1.MoveNext() +63 System.Collections.Generic.List`1..ctor(IEnumerable`1 collection) +327 System.Linq.Enumerable.ToList(IEnumerable`1 source) +58 TopWin.Etone.Infrastructure.Framework.RepositoryBase`1.GetMany(Func`2 where) in E:\aspnet2.0\yunyou2\Yunyou_N\TopWin.Etone.Infrastructure\Framework\RepositoryBase.cs:114 TopWin.Etone.Data.UserRepository.FindByUserName(String UserName) in E:\aspnet2.0\yunyou2\Yunyou_N\TopWin.Etone.Data\Infrastructure\UserRepository.cs:32 TopWin.Etone.Web.Controllers.AccountController.Login(LoginModel LoginModel) in E:\aspnet2.0\yunyou2\Yunyou_N\TopWin.Etone.Web\Controllers\AccountController.cs:57 lambda_method(Closure , ControllerBase , Object[] ) +107 System.Web.Mvc.ActionMethodDispatcher.Execute(ControllerBase controller, Object[] parameters) +17 System.Web.Mvc.ReflectedActionDescriptor.Execute(ControllerContext controllerContext, IDictionary`2 parameters) +208 System.Web.Mvc.ControllerActionInvoker.InvokeActionMethod(ControllerContext controllerContext, ActionDescriptor actionDescriptor, IDictionary`2 parameters) +27 System.Web.Mvc.<>c__DisplayClass15.<InvokeActionMethodWithFilters>b__12() +55 System.Web.Mvc.ControllerActionInvoker.InvokeActionMethodFilter(IActionFilter filter, ActionExecutingContext preContext, Func`1 continuation) +263 System.Web.Mvc.<>c__DisplayClass17.<InvokeActionMethodWithFilters>b__14() +19 System.Web.Mvc.ControllerActionInvoker.InvokeActionMethodWithFilters(ControllerContext controllerContext, IList`1 filters, ActionDescriptor actionDescriptor, IDictionary`2 parameters) +191 System.Web.Mvc.ControllerActionInvoker.InvokeAction(ControllerContext controllerContext, String actionName) +343 System.Web.Mvc.Controller.ExecuteCore() +116 System.Web.Mvc.ControllerBase.Execute(RequestContext requestContext) +97 System.Web.Mvc.ControllerBase.System.Web.Mvc.IController.Execute(RequestContext requestContext) +10 System.Web.Mvc.<>c__DisplayClassb.<BeginProcessRequest>b__5() +37 System.Web.Mvc.Async.<>c__DisplayClass1.<MakeVoidDelegate>b__0() +21 System.Web.Mvc.Async.<>c__DisplayClass8`1.<BeginSynchronous>b__7(IAsyncResult _) +12 System.Web.Mvc.Async.WrappedAsyncResult`1.End() +62 System.Web.Mvc.<>c__DisplayClasse.<EndProcessRequest>b__d() +50 System.Web.Mvc.SecurityUtil.<GetCallInAppTrustThunk>b__0(Action f) +7 System.Web.Mvc.SecurityUtil.ProcessInApplicationTrust(Action action) +22 System.Web.Mvc.MvcHandler.EndProcessRequest(IAsyncResult asyncResult) +60 System.Web.Mvc.MvcHandler.System.Web.IHttpAsyncHandler.EndProcessRequest(IAsyncResult result) +9 System.Web.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +8970349 System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +184 |
版本信息: Microsoft .NET Framework 版本:4.0.30319; ASP.NET 版本:4.0.30319.272
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