C# MVC连接错误：基础提供程序在打开时失败_C#_Asp.net_Asp.net Mvc_Entity Framework_Asp.net Mvc 4

C# MVC连接错误：基础提供程序在打开时失败

c# asp.net asp.net-mvc entity-framework asp.net-mvc-4

C# MVC连接错误：基础提供程序在打开时失败,c#,asp.net,asp.net-mvc,entity-framework,asp.net-mvc-4,C#,Asp.net,Asp.net Mvc,Entity Framework,Asp.net Mvc 4,我是ASP.NETMVC4新手。我正在尝试使用实体框架连接数据库，但未成功。连接字符串如下所示 <add name="EmployeeContext" connectionString="Data Source=192.168.1.101;Initial Catalog=MVCPrac;User ID=sa;Password=anything" providerName="System.Data.SqlClient"/> 我得到的错误如下： System.Data.Entity

我是ASP.NETMVC4新手。我正在尝试使用实体框架连接数据库，但未成功。
连接字符串如下所示

<add name="EmployeeContext" connectionString="Data Source=192.168.1.101;Initial Catalog=MVCPrac;User ID=sa;Password=anything"  providerName="System.Data.SqlClient"/>

我得到的错误如下：

System.Data.Entity.Core.EntityException was unhandled by user code
Message=The underlying provider failed on Open.
Source=EntityFramework
StackTrace:
   at System.Data.Entity.Core.EntityClient.EntityConnection.Open()
   at System.Data.Entity.Core.Objects.ObjectContext.EnsureConnection(Boolean shouldMonitorTransactions)
   at System.Data.Entity.Core.Objects.ObjectContext.ExecuteInTransaction[T](Func`1 func, IDbExecutionStrategy executionStrategy, Boolean startLocalTransaction, Boolean releaseConnectionOnSuccess)
   at System.Data.Entity.Core.Objects.ObjectQuery`1.<>c__DisplayClass3.<GetResults>b__1()
   at System.Data.Entity.SqlServer.DefaultSqlExecutionStrategy.Execute[TResult](Func`1 operation)
   at System.Data.Entity.Core.Objects.ObjectQuery`1.GetResults(Nullable`1 forMergeOption)
   at System.Data.Entity.Core.Objects.ObjectQuery`1.<System.Collections.Generic.IEnumerable<T>.GetEnumerator>b__0()
   at System.Data.Entity.Internal.LazyEnumerator`1.MoveNext()
   at System.Linq.Enumerable.Single[TSource](IEnumerable`1 source)
   at System.Data.Entity.Core.Objects.ELinq.ObjectQueryProvider.<GetElementFunction>b__3[TResult](IEnumerable`1 sequence)
   at System.Data.Entity.Core.Objects.ELinq.ObjectQueryProvider.ExecuteSingle[TResult](IEnumerable`1 query, Expression queryRoot)
   at System.Data.Entity.Core.Objects.ELinq.ObjectQueryProvider.System.Linq.IQueryProvider.Execute[TResult](Expression expression)
   at System.Data.Entity.Internal.Linq.DbQueryProvider.Execute[TResult](Expression expression)
   at System.Linq.Queryable.Single[TSource](IQueryable`1 source, Expression`1 predicate)
   at MVC_Trials.Controllers.EmployeeController.Details(Int32 id) in C:\Users\administrator.CRC\Documents\Visual Studio 2010\Projects\MVC Trials\MVC Trials\Controllers\EmployeeController.cs:line 19
   at lambda_method(Closure , ControllerBase , Object[] )
   at System.Web.Mvc.ActionMethodDispatcher.Execute(ControllerBase controller, Object[] parameters)
   at System.Web.Mvc.ReflectedActionDescriptor.Execute(ControllerContext controllerContext, IDictionary`2 parameters)
   at System.Web.Mvc.ControllerActionInvoker.InvokeActionMethod(ControllerContext controllerContext, ActionDescriptor actionDescriptor, IDictionary`2 parameters)
   at System.Web.Mvc.Async.AsyncControllerActionInvoker.<>c__DisplayClass42.<BeginInvokeSynchronousActionMethod>b__41()
   at System.Web.Mvc.Async.AsyncResultWrapper.<>c__DisplayClass8`1.<BeginSynchronous>b__7(IAsyncResult _)
   at System.Web.Mvc.Async.AsyncResultWrapper.WrappedAsyncResult`1.End()
   at System.Web.Mvc.Async.AsyncControllerActionInvoker.EndInvokeActionMethod(IAsyncResult asyncResult)
   at System.Web.Mvc.Async.AsyncControllerActionInvoker.<>c__DisplayClass37.<>c__DisplayClass39.<BeginInvokeActionMethodWithFilters>b__33()
   at System.Web.Mvc.Async.AsyncControllerActionInvoker.<>c__DisplayClass4f.<InvokeActionMethodFilterAsynchronously>b__49()
InnerException: System.Data.SqlClient.SqlException
   Message=Cannot open database "MVC_Trials.Models.EmployeeContext" requested by the login. The login failed.
Login failed for user 'Test\Administrator'.
   Source=.Net SqlClient Data Provider
   ErrorCode=-2146232060
   Class=11
   LineNumber=65536
   Number=4060
   Procedure=""
   Server=.\SQLEXPRESS
   State=1
   StackTrace:
        at System.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception, Boolean breakConnection)
        at System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning()
        at System.Data.SqlClient.TdsParser.Run(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj)
        at System.Data.SqlClient.SqlInternalConnectionTds.CompleteLogin(Boolean enlistOK)
        at System.Data.SqlClient.SqlInternalConnectionTds.AttemptOneLogin(ServerInfo serverInfo, String newPassword, Boolean ignoreSniOpenTimeout, TimeoutTimer timeout, SqlConnection owningObject)
        at System.Data.SqlClient.SqlInternalConnectionTds.LoginNoFailover(ServerInfo serverInfo, String newPassword, Boolean redirectedUserInstance, SqlConnection owningObject, SqlConnectionString connectionOptions, TimeoutTimer timeout)
        at System.Data.SqlClient.SqlInternalConnectionTds.OpenLoginEnlist(SqlConnection owningObject, TimeoutTimer timeout, SqlConnectionString connectionOptions, String newPassword, Boolean redirectedUserInstance)
        at System.Data.SqlClient.SqlInternalConnectionTds..ctor(DbConnectionPoolIdentity identity, SqlConnectionString connectionOptions, Object providerInfo, String newPassword, SqlConnection owningObject, Boolean redirectedUserInstance)
        at System.Data.SqlClient.SqlConnectionFactory.CreateConnection(DbConnectionOptions options, Object poolGroupProviderInfo, DbConnectionPool pool, DbConnection owningConnection)
        at System.Data.ProviderBase.DbConnectionFactory.CreatePooledConnection(DbConnection owningConnection, DbConnectionPool pool, DbConnectionOptions options)
        at System.Data.ProviderBase.DbConnectionPool.CreateObject(DbConnection owningObject)
        at System.Data.ProviderBase.DbConnectionPool.UserCreateRequest(DbConnection owningObject)
        at System.Data.ProviderBase.DbConnectionPool.GetConnection(DbConnection owningObject)
        at System.Data.ProviderBase.DbConnectionFactory.GetConnection(DbConnection owningConnection)
        at System.Data.ProviderBase.DbConnectionClosed.OpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory)
        at System.Data.SqlClient.SqlConnection.Open()
        at System.Data.Entity.Infrastructure.Interception.DbConnectionDispatcher.<Open>b__36(DbConnection t, DbConnectionInterceptionContext c)
        at System.Data.Entity.Infrastructure.Interception.InternalDispatcher`1.Dispatch[TTarget,TInterceptionContext](TTarget target, Action`2 operation, TInterceptionContext interceptionContext, Action`3 executing, Action`3 executed)
        at System.Data.Entity.Infrastructure.Interception.DbConnectionDispatcher.Open(DbConnection connection, DbInterceptionContext interceptionContext)
        at System.Data.Entity.Core.EntityClient.EntityConnection.<Open>b__2()
        at System.Data.Entity.SqlServer.DefaultSqlExecutionStrategy.<>c__DisplayClass1.<Execute>b__0()
        at System.Data.Entity.SqlServer.DefaultSqlExecutionStrategy.Execute[TResult](Func`1 operation)
        at System.Data.Entity.SqlServer.DefaultSqlExecutionStrategy.Execute(Action operation)
        at System.Data.Entity.Core.EntityClient.EntityConnection.Open()
   InnerException:

用户代码未处理System.Data.Entity.Core.EntityException Message=基础提供程序在打开时失败。 Source=EntityFramework 堆栈跟踪：在System.Data.Entity.Core.EntityClient.EntityConnection.Open（）中位于System.Data.Entity.Core.Objects.ObjectContext.EnsureReconnection（布尔值shouldMonitorTransactions）在System.Data.Entity.Core.Objects.ObjectContext.ExecuteInTransaction[T]（Func`1 Func，IDBEcutionStrategy executionStrategy，Boolean startLocalTransaction，Boolean releaseConnectionOnSuccess）在System.Data.Entity.Core.Objects.ObjectQuery`1.c_uu DisplayClass3.b__u1（）中在System.Data.Entity.SqlServer.DefaultSqlExecutionStrategy.Execute[TResult]（Func`1操作）中位于System.Data.Entity.Core.Objects.ObjectQuery`1.GetResults（可为null`1 forMergeOption）位于System.Data.Entity.Core.Objects.ObjectQuery`1.b_u 0（）位于System.Data.Entity.Internal.LazyEnumerator`1.MoveNext（） at System.Linq.Enumerable.Single[TSource]（IEnumerable`1 source）位于System.Data.Entity.Core.Objects.Elink.ObjectQueryProvider.b__3[TResult]（IEnumerable`1序列）位于System.Data.Entity.Core.Objects.Elink.ObjectQueryProvider.ExecuteSingle[TResult]（IEnumerable`1查询，表达式queryRoot）位于System.Data.Entity.Core.Objects.Elink.ObjectQueryProvider.System.Linq.IQueryProvider.Execute[TResult]（表达式）在System.Data.Entity.Internal.Linq.DbQueryProvider.Execute[TResult]（表达式）处 at System.Linq.Queryable.Single[TSource]（IQueryable`1 source，表达式`1谓词）在C:\Users\administrator.CRC\Documents\visualstudio 2010\Projects\MVC Trials\MVC Trials\Controllers\EmployeeController.Details（Int32 id）中的MVC\u Trials.Controllers.EmployeeController.Details（Int32 id）：第19行在lambda_方法中（闭包、控制器基、对象[]）位于System.Web.Mvc.ActionMethodDispatcher.Execute（ControllerBase controller，Object[]参数）位于System.Web.Mvc.ReflectedActionDescriptor.Execute（ControllerContext ControllerContext，IDictionary`2参数）位于System.Web.Mvc.ControllerActionInvoker.InvokeActionMethod（ControllerContext ControllerContext，ActionDescriptor ActionDescriptor，IDictionary`2参数）在System.Web.Mvc.Async.AsyncControllerActionInvoker.c__DisplayClass42.b__41（）中在System.Web.Mvc.Async.AsyncResultRapper.c_uuu显示类8`1.b_uuu7（IAsyncResult）位于System.Web.Mvc.Async.AsyncResultRapper.WrappedAsyncResult`1.End（）位于System.Web.Mvc.Async.AsyncControllerActionInvoker.EndInvokeActionMethod（IAsyncResult asyncResult）在System.Web.Mvc.Async.AsyncControllerActionInvoker.c_uuDisplayClass37.c_uuDisplayClass39.b_u33（）中在System.Web.Mvc.Async.AsyncControllerActionInvoker.c__DisplayClass4f.b__49（）中 InnerException:System.Data.SqlClient.SqlException Message=无法打开登录请求的数据库“MVC_Trials.Models.EmployeeContext”。登录失败。用户“测试\管理员”登录失败。 Source=.Net SqlClient数据提供程序错误代码=-2146232060 等级=11 行号=65536 数字=4060 Procedure=“” 服务器=。\SQLEXPRESS 状态=1 堆栈跟踪：位于System.Data.SqlClient.SqlInternalConnection.OneError（SqlException异常，布尔断开连接）位于System.Data.SqlClient.TdsParser.throweexception和warning（）处在System.Data.SqlClient.TdsParser.Run（RunBehavior RunBehavior，SqlCommand cmdHandler，SqlDataReader dataStream，BulkCopySimpleResultSet bulkCopyHandler，TdsParserStateObject stateObj）位于System.Data.SqlClient.SqlInternalConnectionTds.CompleteLogin（布尔值登记OK）位于System.Data.SqlClient.SqlInternalConnectionDS.AttemptOneLogin（ServerInfo ServerInfo、字符串newPassword、布尔值IgnoresInOpenTimeout、TimeoutTimer timeout、SqlConnection owningObject）位于System.Data.SqlClient.SqlInternalConnectionDS.LoginOfAliver（ServerInfo服务器信息、字符串newPassword、Boolean redirectedUserInstance、SqlConnectionOwningObject、SqlConnectionString连接选项、超时超时）位于System.Data.SqlClient.SqlInternalConnectionDS.OpenLoginList（SqlConnection owningObject、TimeoutTimer timeout、SqlConnectionString connectionOptions、String newPassword、Boolean redirectedUserInstance）位于System.Data.SqlClient.SqlInternalConnectionDS..ctor（DbConnectionPoolIdentity、SqlConnectionString connectionOptions、Object providerInfo、String newPassword、SqlConnection owningObject、Boolean redirectedUserInstance）位于System.Data.SqlClient.SqlConnectionFactory.CreateConnection（DbConnectionOptions选项、对象池组ProviderInfo、DbConnectionPool池、DbConnection所有者连接）位于System.Data.ProviderBase.DbConnectionFactory.CreatePooledConnection（DbConnection所有者连接、DbConnectionPool池、DbConnectionOptions选项）位于System.Data.ProviderBase.DbConnectionPool.CreateObject（DbConnection owningObject）位于System.Data.ProviderBase.DbConnectionPool.UserCreateRequest（DbConnection owningObject）位于System.Data.ProviderBase.DbConnectionPool.GetConnection（DbConnection owningObject）位于System.Data.ProviderBase.DbConnectionFactory.GetConnection（DbConnection-owningConnection）位于System.Data.ProviderBase.DbConnectionClosed.OpenConnection（DbConnection outerConnection，DbConnectionFactory connectionFactory）在System.Data.SqlClient.SqlConnection.Open（）处在System.Data.Entity.Infrastructure.Interception.DbConnectionDispatcher.b_u36（DbConnection t，DbConnectionInterceptionContext c）在System.Data.Entity.Infrastructure.InternalDispatcher`1.Dispatch[TTarget，TInterceptionContext]（TTarget，Action`2 operation，TInterceptionContext interceptionContext，Action`3 executing，Action`3 executed）在System.Data.Entity.Infrast

System.Data.Entity.Core.EntityException was unhandled by user code
Message=The underlying provider failed on Open.
Source=EntityFramework
StackTrace:
   at System.Data.Entity.Core.EntityClient.EntityConnection.Open()
   at System.Data.Entity.Core.Objects.ObjectContext.EnsureConnection(Boolean shouldMonitorTransactions)
   at System.Data.Entity.Core.Objects.ObjectContext.ExecuteInTransaction[T](Func`1 func, IDbExecutionStrategy executionStrategy, Boolean startLocalTransaction, Boolean releaseConnectionOnSuccess)
   at System.Data.Entity.Core.Objects.ObjectQuery`1.<>c__DisplayClass3.<GetResults>b__1()
   at System.Data.Entity.SqlServer.DefaultSqlExecutionStrategy.Execute[TResult](Func`1 operation)
   at System.Data.Entity.Core.Objects.ObjectQuery`1.GetResults(Nullable`1 forMergeOption)
   at System.Data.Entity.Core.Objects.ObjectQuery`1.<System.Collections.Generic.IEnumerable<T>.GetEnumerator>b__0()
   at System.Data.Entity.Internal.LazyEnumerator`1.MoveNext()
   at System.Linq.Enumerable.Single[TSource](IEnumerable`1 source)
   at System.Data.Entity.Core.Objects.ELinq.ObjectQueryProvider.<GetElementFunction>b__3[TResult](IEnumerable`1 sequence)
   at System.Data.Entity.Core.Objects.ELinq.ObjectQueryProvider.ExecuteSingle[TResult](IEnumerable`1 query, Expression queryRoot)
   at System.Data.Entity.Core.Objects.ELinq.ObjectQueryProvider.System.Linq.IQueryProvider.Execute[TResult](Expression expression)
   at System.Data.Entity.Internal.Linq.DbQueryProvider.Execute[TResult](Expression expression)
   at System.Linq.Queryable.Single[TSource](IQueryable`1 source, Expression`1 predicate)
   at MVC_Trials.Controllers.EmployeeController.Details(Int32 id) in C:\Users\administrator.CRC\Documents\Visual Studio 2010\Projects\MVC Trials\MVC Trials\Controllers\EmployeeController.cs:line 19
   at lambda_method(Closure , ControllerBase , Object[] )
   at System.Web.Mvc.ActionMethodDispatcher.Execute(ControllerBase controller, Object[] parameters)
   at System.Web.Mvc.ReflectedActionDescriptor.Execute(ControllerContext controllerContext, IDictionary`2 parameters)
   at System.Web.Mvc.ControllerActionInvoker.InvokeActionMethod(ControllerContext controllerContext, ActionDescriptor actionDescriptor, IDictionary`2 parameters)
   at System.Web.Mvc.Async.AsyncControllerActionInvoker.<>c__DisplayClass42.<BeginInvokeSynchronousActionMethod>b__41()
   at System.Web.Mvc.Async.AsyncResultWrapper.<>c__DisplayClass8`1.<BeginSynchronous>b__7(IAsyncResult _)
   at System.Web.Mvc.Async.AsyncResultWrapper.WrappedAsyncResult`1.End()
   at System.Web.Mvc.Async.AsyncControllerActionInvoker.EndInvokeActionMethod(IAsyncResult asyncResult)
   at System.Web.Mvc.Async.AsyncControllerActionInvoker.<>c__DisplayClass37.<>c__DisplayClass39.<BeginInvokeActionMethodWithFilters>b__33()
   at System.Web.Mvc.Async.AsyncControllerActionInvoker.<>c__DisplayClass4f.<InvokeActionMethodFilterAsynchronously>b__49()
InnerException: System.Data.SqlClient.SqlException
   Message=Cannot open database "MVC_Trials.Models.EmployeeContext" requested by the login. The login failed.
Login failed for user 'Test\Administrator'.
   Source=.Net SqlClient Data Provider
   ErrorCode=-2146232060
   Class=11
   LineNumber=65536
   Number=4060
   Procedure=""
   Server=.\SQLEXPRESS
   State=1
   StackTrace:
        at System.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception, Boolean breakConnection)
        at System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning()
        at System.Data.SqlClient.TdsParser.Run(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj)
        at System.Data.SqlClient.SqlInternalConnectionTds.CompleteLogin(Boolean enlistOK)
        at System.Data.SqlClient.SqlInternalConnectionTds.AttemptOneLogin(ServerInfo serverInfo, String newPassword, Boolean ignoreSniOpenTimeout, TimeoutTimer timeout, SqlConnection owningObject)
        at System.Data.SqlClient.SqlInternalConnectionTds.LoginNoFailover(ServerInfo serverInfo, String newPassword, Boolean redirectedUserInstance, SqlConnection owningObject, SqlConnectionString connectionOptions, TimeoutTimer timeout)
        at System.Data.SqlClient.SqlInternalConnectionTds.OpenLoginEnlist(SqlConnection owningObject, TimeoutTimer timeout, SqlConnectionString connectionOptions, String newPassword, Boolean redirectedUserInstance)
        at System.Data.SqlClient.SqlInternalConnectionTds..ctor(DbConnectionPoolIdentity identity, SqlConnectionString connectionOptions, Object providerInfo, String newPassword, SqlConnection owningObject, Boolean redirectedUserInstance)
        at System.Data.SqlClient.SqlConnectionFactory.CreateConnection(DbConnectionOptions options, Object poolGroupProviderInfo, DbConnectionPool pool, DbConnection owningConnection)
        at System.Data.ProviderBase.DbConnectionFactory.CreatePooledConnection(DbConnection owningConnection, DbConnectionPool pool, DbConnectionOptions options)
        at System.Data.ProviderBase.DbConnectionPool.CreateObject(DbConnection owningObject)
        at System.Data.ProviderBase.DbConnectionPool.UserCreateRequest(DbConnection owningObject)
        at System.Data.ProviderBase.DbConnectionPool.GetConnection(DbConnection owningObject)
        at System.Data.ProviderBase.DbConnectionFactory.GetConnection(DbConnection owningConnection)
        at System.Data.ProviderBase.DbConnectionClosed.OpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory)
        at System.Data.SqlClient.SqlConnection.Open()
        at System.Data.Entity.Infrastructure.Interception.DbConnectionDispatcher.<Open>b__36(DbConnection t, DbConnectionInterceptionContext c)
        at System.Data.Entity.Infrastructure.Interception.InternalDispatcher`1.Dispatch[TTarget,TInterceptionContext](TTarget target, Action`2 operation, TInterceptionContext interceptionContext, Action`3 executing, Action`3 executed)
        at System.Data.Entity.Infrastructure.Interception.DbConnectionDispatcher.Open(DbConnection connection, DbInterceptionContext interceptionContext)
        at System.Data.Entity.Core.EntityClient.EntityConnection.<Open>b__2()
        at System.Data.Entity.SqlServer.DefaultSqlExecutionStrategy.<>c__DisplayClass1.<Execute>b__0()
        at System.Data.Entity.SqlServer.DefaultSqlExecutionStrategy.Execute[TResult](Func`1 operation)
        at System.Data.Entity.SqlServer.DefaultSqlExecutionStrategy.Execute(Action operation)
        at System.Data.Entity.Core.EntityClient.EntityConnection.Open()
   InnerException:

public class EmployeeContext : DbContext
{
    public DbSet<Employee> Employees { get; set; }
}

public EmployeeContext() : base("EmployeeContext")
{
}