I am trying to move the appicationDBContext out of the asp.net MVC5 web application project into its own assembly. i have tried creating a class library for the data access layer and using nuget to install the aspnet.identity assemblies.
I cannot get this to work. I have tried a few different examples but am not sure how is the best way to do this.
i have created a basic example in codeplex : https://testdal.codeplex.com/
this is an empty mvc5 website with a reference to a class library DAL. In DAL is the models from default sample website along with the references and some basic test code to try and register a user.
I get the following error :
Instance failure.
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.
Exception Details: System.InvalidOperationException: Instance failure.
Source Error:
Line 18:
Line 19: var user = new ApplicationUser() { UserName = "paul" };
Line 20: var result = UserManager.Create(user, "123456");
Line 21:
Line 22:
Source File: c:\Users\paul\Documents\Visual Studio 2013\Projects\emptyWebsite\DAL\Register.cs Line: 20
Stack Trace:
[InvalidOperationException: Instance failure.]
System.Data.ProviderBase.DbConnectionPool.TryGetConnection(DbConnection owningObject, UInt32 waitForMultipleObjectsTimeout, Boolean allowCreate, Boolean onlyOneCheckConnection, DbConnectionOptions userOptions, DbConnectionInternal& connection) +414
System.Data.ProviderBase.DbConnectionPool.TryGetConnection(DbConnection owningObject, TaskCompletionSource`1 retry, DbConnectionOptions userOptions, DbConnectionInternal& connection) +78
System.Data.ProviderBase.DbConnectionFactory.TryGetConnection(DbConnection owningConnection, TaskCompletionSource`1 retry, DbConnectionOptions userOptions, DbConnectionInternal oldConnection, DbConnectionInternal& connection) +196
System.Data.ProviderBase.DbConnectionInternal.TryOpenConnectionInternal(DbConnection outerConnection, DbConnectionFactory connectionFactory, TaskCompletionSource`1 retry, DbConnectionOptions userOptions) +146
System.Data.ProviderBase.DbConnectionClosed.TryOpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory, TaskCompletionSource`1 retry, DbConnectionOptions userOptions) +16
System.Data.SqlClient.SqlConnection.TryOpenInner(TaskCompletionSource`1 retry) +94
System.Data.SqlClient.SqlConnection.TryOpen(TaskCompletionSource`1 retry) +110
System.Data.SqlClient.SqlConnection.Open() +96
System.Data.Entity.Infrastructure.Interception.DbConnectionDispatcher.<open>
b__36(DbConnection t, DbConnectionInterceptionContext c) +36
System.Data.Entity.Infrastructure.Interception.InternalDispatcher`1.Dispatch(TTarget target, Action`2 operation, TInterceptionContext interceptionContext, Action`3 executing, Action`3 executed) +138
System.Data.Entity.Infrastructure.Interception.DbConnectionDispatcher.Open(DbConnection connection, DbInterceptionContext interceptionContext) +477
System.Data.Entity.SqlServer.<>c__DisplayClass34.<usingconnection>
b__32() +344
System.Data.Entity.SqlServer.<>c__DisplayClass1.<execute>
b__0() +34
System.Data.Entity.SqlServer.DefaultSqlExecutionStrategy.Execute(Func`1 operation) +251
System.Data.Entity.SqlServer.DefaultSqlExecutionStrategy.Execute(Action operation) +196
System.Data.Entity.SqlServer.SqlProviderServices.UsingConnection(DbConnection sqlConnection, Action`1 act) +420
System.Data.Entity.SqlServer.SqlProviderServices.UsingMasterConnection(DbConnection sqlConnection, Action`1 act) +335
System.Data.Entity.SqlServer.SqlProviderServices.CreateDatabaseFromScript(Nullable`1 commandTimeout, DbConnection sqlConnection, String createDatabaseScript) +151
System.Data.Entity.SqlServer.SqlProviderServices.DbCreateDatabase(DbConnection connection, Nullable`1 commandTimeout, StoreItemCollection storeItemCollection) +287
System.Data.Entity.Core.Common.DbProviderServices.CreateDatabase(DbConnection connection, Nullable`1 commandTimeout, StoreItemCollection storeItemCollection) +110
System.Data.Entity.Core.Objects.ObjectContext.CreateDatabase() +236
System.Data.Entity.Migrations.Utilities.DatabaseCreator.Create(DbConnection connection) +143
System.Data.Entity.Migrations.DbMigrator.EnsureDatabaseExists(Action mustSucceedToKeepDatabase) +207
System.Data.Entity.Migrations.Infrastructure.MigratorBase.EnsureDatabaseExists(Action mustSucceedToKeepDatabase) +42
System.Data.Entity.Migrations.DbMigrator.Update(String targetMigration) +136
System.Data.Entity.Migrations.Infrastructure.MigratorBase.Update() +33
System.Data.Entity.Internal.DatabaseCreator.CreateDatabase(InternalContext internalContext, Func`3 createMigrator, ObjectContext objectContext) +175
System.Data.Entity.Internal.InternalContext.CreateDatabase(ObjectContext objectContext, DatabaseExistenceState existenceState) +150
System.Data.Entity.Database.Create(DatabaseExistenceState existenceState) +444
System.Data.Entity.CreateDatabaseIfNotExists`1.InitializeDatabase(TContext context) +288
System.Data.Entity.Internal.<>c__DisplayClassf`1.<createinitializationaction>
b__e() +165
System.Data.Entity.Internal.InternalContext.PerformInitializationAction(Action action) +110
System.Data.Entity.Internal.InternalContext.PerformDatabaseInitialization() +660
System.Data.Entity.Internal.LazyInternalContext.<initializedatabase>
b__4(InternalContext c) +31
System.Data.Entity.Internal.RetryAction`1.PerformAction(TInput input) +143
System.Data.Entity.Internal.LazyInternalContext.InitializeDatabaseAction(Action`1 action) +292
System.Data.Entity.Internal.LazyInternalContext.InitializeDatabase() +123
System.Data.Entity.Internal.InternalContext.Initialize() +42
System.Data.Entity.Internal.InternalContext.GetEntitySetAndBaseTypeForType(Type entityType) +39
System.Data.Entity.Internal.Linq.InternalSet`1.Initialize() +137
System.Data.Entity.Internal.Linq.InternalSet`1.Include(String path) +41
System.Data.Entity.Infrastructure.DbQuery`1.Include(String path) +142
System.Data.Entity.QueryableExtensions.Include(IQueryable`1 source, String path) +205
System.Data.Entity.QueryableExtensions.Include(IQueryable`1 source, Expression`1 path) +305
Microsoft.AspNet.Identity.EntityFramework.UserStore`6.GetUserAggregateAsync(Expression`1 filter) +610
Microsoft.AspNet.Identity.EntityFramework.UserStore`6.FindByNameAsync(String userName) +1069
Microsoft.AspNet.Identity.UserManager`2.FindByNameAsync(String userName) +177
Microsoft.AspNet.Identity.<validateusername>
d__4.MoveNext() +803
System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task) +93
System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) +52
System.Runtime.CompilerServices.TaskAwaiter.GetResult() +21
Microsoft.AspNet.Identity.<validateasync>
d__0.MoveNext() +468
System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task) +93
System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) +52
System.Runtime.CompilerServices.ConfiguredTaskAwaiter.GetResult() +24
Microsoft.AspNet.Identity.<createasync>
d__0.MoveNext() +846
System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task) +93
System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) +52
System.Runtime.CompilerServices.ConfiguredTaskAwaiter.GetResult() +24
Microsoft.AspNet.Identity.<createasync>
d__d.MoveNext() +1113
System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task) +93
System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) +52
System.Runtime.CompilerServices.TaskAwaiter`1.GetResult() +24
Microsoft.AspNet.Identity.AsyncHelper.RunSync(Func`1 func) +228
Microsoft.AspNet.Identity.UserManagerExtensions.Create(UserManager`2 manager, TUser user, String password) +260
DAL.Register.register() in c:\Users\paul\Documents\Visual Studio 2013\Projects\emptyWebsite\DAL\Register.cs:20
emptyWebsite.Controllers.HomeController.Index() in c:\Users\paul\Documents\Visual Studio 2013\Projects\emptyWebsite\emptyWebsite\Controllers\HomeController.cs:20
lambda_method(Closure , ControllerBase , Object[] ) +101
System.Web.Mvc.ActionMethodDispatcher.Execute(ControllerBase controller, Object[] parameters) +59
System.Web.Mvc.ReflectedActionDescriptor.Execute(ControllerContext controllerContext, IDictionary`2 parameters) +435
System.Web.Mvc.ControllerActionInvoker.InvokeActionMethod(ControllerContext controllerContext, ActionDescriptor actionDescriptor, IDictionary`2 parameters) +60
System.Web.Mvc.Async.ActionInvocation.InvokeSynchronousActionMethod() +76
System.Web.Mvc.Async.AsyncControllerActionInvoker.<begininvokesynchronousactionmethod>
b__36(IAsyncResult asyncResult, ActionInvocation innerInvokeState) +36
System.Web.Mvc.Async.WrappedAsyncResult`2.CallEndDelegate(IAsyncResult asyncResult) +73
System.Web.Mvc.Async.WrappedAsyncResultBase`1.End() +136
System.Web.Mvc.Async.AsyncResultWrapper.End(IAsyncResult asyncResult, Object tag) +102
System.Web.Mvc.Async.AsyncControllerActionInvoker.EndInvokeActionMethod(IAsyncResult asyncResult) +49
System.Web.Mvc.Async.AsyncInvocationWithFilters.<invokeactionmethodfilterasynchronouslyrecursive>
b__3c() +117
System.Web.Mvc.Async.<>c__DisplayClass45.<invokeactionmethodfilterasynchronouslyrecursive>
b__3e() +323
System.Web.Mvc.Async.<>c__DisplayClass30.<begininvokeactionmethodwithfilters>
b__2f(IAsyncResult asyncResult) +44
System.Web.Mvc.Async.WrappedAsyncResult`1.CallEndDelegate(IAsyncResult asyncResult) +47
System.Web.Mvc.Async.WrappedAsyncResultBase`1.End() +136
System.Web.Mvc.Async.AsyncResultWrapper.End(IAsyncResult asyncResult, Object tag) +102
System.Web.Mvc.Async.AsyncControllerActionInvoker.EndInvokeActionMethodWithFilters(IAsyncResult asyncResult) +50
System.Web.Mvc.Async.<>c__DisplayClass28.<begininvokeaction>
b__19() +72
System.Web.Mvc.Async.<>c__DisplayClass1e.<begininvokeaction>
b__1b(IAsyncResult asyncResult) +185
System.Web.Mvc.Async.WrappedAsyncResult`1.CallEndDelegate(IAsyncResult asyncResult) +42
System.Web.Mvc.Async.WrappedAsyncResultBase`1.End() +133
System.Web.Mvc.Async.AsyncResultWrapper.End(IAsyncResult asyncResult, Object tag) +56
System.Web.Mvc.Async.AsyncControllerActionInvoker.EndInvokeAction(IAsyncResult asyncResult) +40
System.Web.Mvc.Controller.<beginexecutecore>
b__1d(IAsyncResult asyncResult, ExecuteCoreState innerState) +34
System.Web.Mvc.Async.WrappedAsyncVoid`1.CallEndDelegate(IAsyncResult asyncResult) +70
System.Web.Mvc.Async.WrappedAsyncResultBase`1.End() +139
System.Web.Mvc.Async.AsyncResultWrapper.End(IAsyncResult asyncResult, Object tag) +59
System.Web.Mvc.Async.AsyncResultWrapper.End(IAsyncResult asyncResult, Object tag) +40
System.Web.Mvc.Controller.EndExecuteCore(IAsyncResult asyncResult) +44
System.Web.Mvc.Controller.<beginexecute>
b__15(IAsyncResult asyncResult, Controller controller) +39
System.Web.Mvc.Async.WrappedAsyncVoid`1.CallEndDelegate(IAsyncResult asyncResult) +62
System.Web.Mvc.Async.WrappedAsyncResultBase`1.End() +139
System.Web.Mvc.Async.AsyncResultWrapper.End(IAsyncResult asyncResult, Object tag) +59
System.Web.Mvc.Async.AsyncResultWrapper.End(IAsyncResult asyncResult, Object tag) +40
System.Web.Mvc.Controller.EndExecute(IAsyncResult asyncResult) +39
System.Web.Mvc.Controller.System.Web.Mvc.Async.IAsyncController.EndExecute(IAsyncResult asyncResult) +39
System.Web.Mvc.MvcHandler.<beginprocessrequest>
b__4(IAsyncResult asyncResult, ProcessRequestState innerState) +39
System.Web.Mvc.Async.WrappedAsyncVoid`1.CallEndDelegate(IAsyncResult asyncResult) +70
System.Web.Mvc.Async.WrappedAsyncResultBase`1.End() +139
System.Web.Mvc.Async.AsyncResultWrapper.End(IAsyncResult asyncResult, Object tag) +59
System.Web.Mvc.Async.AsyncResultWrapper.End(IAsyncResult asyncResult, Object tag) +40
System.Web.Mvc.MvcHandler.EndProcessRequest(IAsyncResult asyncResult) +40
System.Web.Mvc.MvcHandler.System.Web.IHttpAsyncHandler.EndProcessRequest(IAsyncResult result) +38
System.Web.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +9514928
System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +155
Can anybody help me find a simple way to seperate the models from the UI project?
Thanks
Paul
i managed to get around this problem after trying the following :
Moving ASP.NET Identity model to class library http://www.umbraworks.net/bl0g/rebuildall/2013/10/22/Moving_ASP_NET_Identity_model_into_another_assembly
I did try this originally and and tried many similar ways although i found starting from fresh, deleting the database and specifying a specific db location helped. I have later thought that possibly turning on data migrations would have resolved the issue. This is still dependent on the connection string in the web.config so is not completely decoupled but otherwise seems to now work
thanks