Question

我在添加以下软件包后尝试将ASP.net Web应用程序连接到SQL Server Enterprise版时遇到问题：

Microsoft.AspNet.Identity.OWIN
Microsoft.AspNet.Identity.Core 
Microsoft.AspNet.Identity.EntityFramework

当我尝试注册用户时，我收到此错误异常。我创建了一个测试方法来测试连接是否正常工作，并且它与我的数据库服务器连接良好。例外：

异常详细信息：System.ComponentModel.Win32Exception：系统   找不到指定的文件

来源错误：

第16行：var manager =   。Context.GetOwinContext（）GetUserManager（）;   第17行：var user = new ApplicationUser（）{UserName =   Email.Text，Email = Email.Text};第18行：IdentityResult   result = manager.Create（user，Password.Text）;第19行：如果   （result.Succeeded）第20行：{

源文件：c：\ Users \ abdallaelnajjar \ Documents \ Visual Studio   2013 \ Projects \ CRMLight \ CRMLight \ Account \ Register.aspx.cs Line：18

堆栈追踪：

[Win32Exception（0x80004005）：系统找不到该文件   指定]

[SqlException（0x80131904）：与网络相关或特定于实例的   建立与SQL Server的连接时发生错误。该   服务器未找到或无法访问。验证该实例   名称是正确的，并且SQL Server配置为允许远程   连接。（提供商：共享内存提供商，错误：40 - 无法   打开与SQL Server的连接）]
  System.Data.SqlClient.SqlInternalConnection.OnError（SQLEXCEPTION   exception，Boolean breakConnection，Action 1 wrapCloseInAction) +5340655 System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj, Boolean callerHasConnectionLock, Boolean asyncClose) +244 System.Data.SqlClient.TdsParser.Connect(ServerInfo serverInfo, SqlInternalConnectionTds connHandler, Boolean ignoreSniOpenTimeout, Int64 timerExpire, Boolean encrypt, Boolean trustServerCert, Boolean integratedSecurity, Boolean withFailover) +5350915 System.Data.SqlClient.SqlInternalConnectionTds.AttemptOneLogin(ServerInfo serverInfo, String newPassword, SecureString newSecurePassword, Boolean ignoreSniOpenTimeout, TimeoutTimer timeout, Boolean withFailover) +145 System.Data.SqlClient.SqlInternalConnectionTds.LoginNoFailover(ServerInfo serverInfo, String newPassword, SecureString newSecurePassword, Boolean redirectedUserInstance, SqlConnectionString connectionOptions, SqlCredential credential, TimeoutTimer timeout) +922 System.Data.SqlClient.SqlInternalConnectionTds.OpenLoginEnlist(TimeoutTimer timeout, SqlConnectionString connectionOptions, SqlCredential credential, String newPassword, SecureString newSecurePassword, Boolean redirectedUserInstance) +307 System.Data.SqlClient.SqlInternalConnectionTds..ctor(DbConnectionPoolIdentity identity, SqlConnectionString connectionOptions, SqlCredential credential, Object providerInfo, String newPassword, SecureString newSecurePassword, Boolean redirectedUserInstance, SqlConnectionString userConnectionOptions, SessionData reconnectSessionData) +518 System.Data.SqlClient.SqlConnectionFactory.CreateConnection(DbConnectionOptions options, DbConnectionPoolKey poolKey, Object poolGroupProviderInfo, DbConnectionPool pool, DbConnection owningConnection, DbConnectionOptions userOptions) +278 System.Data.ProviderBase.DbConnectionFactory.CreatePooledConnection(DbConnectionPool pool, DbConnection owningObject, DbConnectionOptions options, DbConnectionPoolKey poolKey, DbConnectionOptions userOptions) +38 System.Data.ProviderBase.DbConnectionPool.CreateObject(DbConnection owningObject, DbConnectionOptions userOptions, DbConnectionInternal oldConnection) +732 System.Data.ProviderBase.DbConnectionPool.UserCreateRequest(DbConnection owningObject, DbConnectionOptions userOptions, DbConnectionInternal oldConnection) +85 System.Data.ProviderBase.DbConnectionPool.TryGetConnection(DbConnection owningObject, UInt32 waitForMultipleObjectsTimeout, Boolean allowCreate, Boolean onlyOneCheckConnection, DbConnectionOptions userOptions, DbConnectionInternal& connection) +1057 System.Data.ProviderBase.DbConnectionPool.TryGetConnection(DbConnection owningObject, TaskCompletionSource 1 retry，DbConnectionOptions   userOptions，DbConnectionInternal＆amp;连接）+78
  System.Data.ProviderBase.DbConnectionFactory.TryGetConnection（的DbConnection   owningConnection，TaskCompletionSource 1 retry, DbConnectionOptions userOptions, DbConnectionInternal oldConnection, DbConnectionInternal& connection) +196 System.Data.ProviderBase.DbConnectionInternal.TryOpenConnectionInternal(DbConnection outerConnection, DbConnectionFactory connectionFactory, TaskCompletionSource 1次重试，DbConnectionOptions userOptions）+146
  System.Data.ProviderBase.DbConnectionClosed.TryOpenConnection（的DbConnection   outerConnection，DbConnectionFactory connectionFactory，   TaskCompletionSource 1 retry, DbConnectionOptions userOptions) +16 System.Data.SqlClient.SqlConnection.TryOpenInner(TaskCompletionSource 1   重试）+94
  System.Data.SqlClient.SqlConnection.TryOpen（TaskCompletionSource 1 retry) +110 System.Data.SqlClient.SqlConnection.Open() +96 System.Data.Entity.Infrastructure.Interception.DbConnectionDispatcher.<Open>b__38(DbConnection t, DbConnectionInterceptionContext c) +10 System.Data.Entity.Infrastructure.Interception.InternalDispatcher 1.Dispatch（t目标   目标，行动2 operation, TInterceptionContext interceptionContext, Action 3执行，行动3 executed) +72 System.Data.Entity.Infrastructure.Interception.DbConnectionDispatcher.Open(DbConnection connection, DbInterceptionContext interceptionContext) +360 System.Data.Entity.SqlServer.<>c__DisplayClass31.<UsingConnection>b__2f() +337 System.Data.Entity.SqlServer.<>c__DisplayClass1.<Execute>b__0() +10 System.Data.Entity.SqlServer.DefaultSqlExecutionStrategy.Execute(Func 1   操作）+189
  System.Data.Entity.SqlServer.DefaultSqlExecutionStrategy.Execute（动作   操作）+78
  System.Data.Entity.SqlServer.SqlProviderServices.UsingConnection（的DbConnection   sqlConnection，Action 1 act) +238 System.Data.Entity.SqlServer.SqlProviderServices.UsingMasterConnection(DbConnection sqlConnection, Action 1 act）+556
  System.Data.Entity.SqlServer.SqlProviderServices.GetDbProviderManifestToken（的DbConnection   连接）+250
  System.Data.Entity.Core.Common.DbProviderServices.GetProviderManifestToken（的DbConnection   连接）+87

[ProviderIncompatibleException：提供程序未返回   ProviderManifestToken字符串。]
  System.Data.Entity.Core.Common.DbProviderServices.GetProviderManifestToken（的DbConnection   连接）+271
  System.Data.Entity.Utilities.DbProviderServicesExtensions.GetProviderManifestTokenChecked（DbProviderServices   providerServices，DbConnection连接）+33

[ProviderIncompatibleException：访问时出错   数据库。这通常意味着与数据库的连接   失败。检查连接字符串是否正确并且是   适当的DbContext构造函数用于指定或查找   它在应用程序的配置文件中。看到   http://go.microsoft.com/fwlink/?LinkId=386386了解有关的信息   DbContext和连接。有关详细信息，请参阅内部异常   失败]
  System.Data.Entity.Utilities.DbProviderServicesExtensions.GetProviderManifestTokenChecked（DbProviderServices   providerServices，DbConnection连接）+246
  System.Data.Entity.Infrastructure＆LT;＆GT; c__DisplayClass1.b__0（元组3 k) +32 System.Collections.Concurrent.ConcurrentDictionary 2.GetOrAdd（TKEY的   key，Func 2 valueFactory) +72 System.Data.Entity.Infrastructure.DefaultManifestTokenResolver.ResolveManifestToken(DbConnection connection) +251 System.Data.Entity.Utilities.DbConnectionExtensions.GetProviderInfo(DbConnection connection, DbProviderManifest& providerManifest) +56 System.Data.Entity.DbModelBuilder.Build(DbConnection providerConnection) +43 System.Data.Entity.Internal.LazyInternalContext.CreateModel(LazyInternalContext internalContext) +62 System.Data.Entity.Internal.RetryLazy 2.GetValue（TInput input）+123
  System.Data.Entity.Internal.LazyInternalContext.InitializeContext（）   +610 System.Data.Entity.Internal.InternalContext.GetEntitySetAndBaseTypeForType（Type   entityType）+18
  System.Data.Entity.Internal.Linq.InternalSet 1.Initialize() +52 System.Data.Entity.Internal.Linq.InternalSet 1.Include（String path）   +18 System.Data.Entity.Infrastructure.DbQuery 1.Include(String path) +64 System.Data.Entity.QueryableExtensions.Include(IQueryable 1个来源，   字符串路径）+115
  System.Data.Entity.QueryableExtensions.Include（IQueryable 1 source, Expression 1路径）+154
  Microsoft.AspNet.Identity.EntityFramework.UserStore 6.GetUserAggregateAsync(Expression 1   过滤器）+283
  Microsoft.AspNet.Identity.EntityFramework.UserStore 6.FindByNameAsync(String userName) +615 Microsoft.AspNet.Identity.UserManager 2.FindByNameAsync（字符串   userName）+56
  Microsoft.AspNet.Identity.d__4.MoveNext（）+392
  System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess（任务   任务）+93
  System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification（任务   任务）+52 Microsoft.AspNet.Identity.d__0.MoveNext（）   +251 System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess（任务   任务）+93
  System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification（任务   任务）+52 Microsoft.AspNet.Identity.d__0.MoveNext（）   +675 System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess（任务   任务）+93
  System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification（任务   任务）+52 Microsoft.AspNet.Identity.d__d.MoveNext（）   +581 System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess（任务   任务）+93
  System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification（任务   任务）+52 Microsoft.AspNet.Identity.AsyncHelper.RunSync（Func 1 func) +159 Microsoft.AspNet.Identity.UserManagerExtensions.Create(UserManager 2   经理，TUser用户，字符串密码）+120
  CRMLight.Account.Register.CreateUser_Click（Object sender，EventArgs e）   在c：\ Users \ abdallaelnajjar \ Documents \ Visual Studio中   2013 \项目\ CRMLight \ CRMLight \帐户\ Register.aspx.cs：18个
  System.Web.UI.WebControls.Button.OnClick（EventArgs e）+9615682
  System.Web.UI.WebControls.Button.RaisePostBackEvent（字符串   eventArgument）+103
  System.Web.UI.WebControls.Button.System.Web.UI.IPostBackEventHandler.RaisePostBackEvent（字符串   eventArgument）+10
  System.Web.UI.Page.RaisePostBackEvent（IPostBackEventHandler   sourceControl，String eventArgument）+13
  System.Web.UI.Page.RaisePostBackEvent（NameValueCollection postData）   +35 System.Web.UI.Page.ProcessRequestMain（Boolean includeStagesBeforeAsyncPoint，Boolean includeStagesAfterAsyncPoint）   1724   我的连接字符串

  <add name="crmlightEntities" connectionString="metadata=res://*/Models.CRMLightModel.csdl|res://*/Models.CRMLightModel.ssdl|res://*/Models.CRMLightModel.msl;provider=System.Data.SqlClient;provider connection string=&quot;data source=sqlserver;initial catalog=crmlight;integrated security=True;MultipleActiveResultSets=True;App=EntityFramework&quot;" providerName="System.Data.EntityClient" /></connectionStrings>

当我安装软件包时，它应该是安装ASP.NET标识表

Answer 1

检查数据库连接 - 您的应用程序无法连接到数据库。它将位于ConnectionSettings中的web.config文件中。

这是造成此错误的原因

建立与SQL Server的连接时发生与网络相关或特定于实例的错误。服务器未找到或无法访问。验证实例名称是否正确，以及SQL Server是否配置为允许远程连接。（提供程序：共享内存提供程序，错误：40 - 无法打开与SQL Server的连接）

也许app.config有一个很好的连接字符串用于你的单元测试与web配置有另一个连接字符串。

异常无法使用ASP.NET标识创建用户

1 个答案: