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异常详细信息: System.ComponentModel.Win32Exception: 拒绝访问。

源错误:

执行当前 Web 请求期间生成了未经处理的异常。可以使用下面的异常堆栈跟踪信息确定有关异常原因和发生位置的信息。

堆栈跟踪:

[Win32Exception (0x80004005): 拒绝访问。][SqlException (0x80131904): 在与 SQL Server 建立连接时出现与网络相关的或特定于实例的错误。未找到或无法访问服务器。请验证实例名称是否正确并且 SQL Server 已配置为允许远程连接。 (provider: Named Pipes Provider, error: 40 - 无法打开到 SQL Server 的连接)]System.Data.SqlClient.SqlInternalConnectionTds..ctor(DbConnectionPoolIdentity identity, SqlConnectionString connectionOptions, SqlCredential credential, Object providerInfo, String newPassword, SecureString newSecurePassword, Boolean redirectedUserInstance, SqlConnectionString userConnectionOptions, SessionData reconnectSessionData, DbConnectionPool pool, String accessToken, Boolean applyTransientFaultHandling) +821System.Data.SqlClient.SqlConnectionFactory.CreateConnection(DbConnectionOptions options, DbConnectionPoolKey poolKey, Object poolGroupProviderInfo, DbConnectionPool pool, DbConnection owningConnection, DbConnectionOptions userOptions) +332System.Data.ProviderBase.DbConnectionFactory.CreateNonPooledConnection(DbConnection owningConnection, DbConnectionPoolGroup poolGroup, DbConnectionOptions userOptions) +38System.Data.ProviderBase.DbConnectionFactory.TryGetConnection(DbConnection owningConnection, TaskCompletionSource`1 retry, DbConnectionOptions userOptions, DbConnectionInternal oldConnection, DbConnectionInternal& connection) +507System.Data.ProviderBase.DbConnectionInternal.TryOpenConnectionInternal(DbConnection outerConnection, DbConnectionFactory connectionFactory, TaskCompletionSource`1 retry, DbConnectionOptions userOptions) +154System.Data.ProviderBase.DbConnectionClosed.TryOpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory, TaskCompletionSource`1 retry, DbConnectionOptions userOptions) +21System.Data.SqlClient.SqlConnection.TryOpenInner(TaskCompletionSource`1 retry) +90System.Data.SqlClient.SqlConnection.TryOpen(TaskCompletionSource`1 retry) +209System.Data.SqlClient.SqlConnection.Open() +96Data.DbHelper.PrepareCommand(DbConnection conn, IDbCommand cmd, DbTransaction isOpenTrans, CommandType cmdType, String cmdText, DbParameter dbParameter) in F:HKWGWDataDataDbHelper.cs:143Data.DbHelper.ExecuteReader(CommandType cmdType, String strSql, DbParameter dbParameter) in F:HKWGWDataDataDbHelper.cs:96Data.EF.Database.FindList(String strSql, DbParameter dbParameter) in F:HKWGWDataData.EFDatabase.cs:349Data.Repository.Repository`1.FindList(String strSql, DbParameter dbParameter) in F:HKWGWDataData.RepositoryRepositoryRepository.T.cs:145Application.Service.CgManage.GkzbService.GetEntity(Int32 bsid, String gglx) in F:HKWGWApplicationApplication.ServiceCgManageGkzbService.cs:62Web.Areas.SecondWeb.Controllers.ZbxxController.Zbgg(Int32 bsid, String type) in F:HKWGWWebAreasSecondWebControllersZbxxController.cs:162lambda_method(Closure , ControllerBase , Object ) +146System.Web.Mvc.ActionMethodDispatcher.Execute(ControllerBase controller, Object parameters) +14System.Web.Mvc.ReflectedActionDescriptor.Execute(ControllerContext controllerContext, IDictionary`2 parameters) +157System.Web.Mvc.ControllerActionInvoker.InvokeActionMethod(ControllerContext controllerContext, ActionDescriptor actionDescriptor, IDictionary`2 parameters) +27System.Web.Mvc.Async.<>c.<BeginInvokeSynchronousActionMethod>b__9_0(IAsyncResult asyncResult, ActionInvocation innerInvokeState) +22System.Web.Mvc.Async.WrappedAsyncResult`2.CallEndDelegate(IAsyncResult asyncResult) +29System.Web.Mvc.Async.WrappedAsyncResultBase`1.End() +49System.Web.Mvc.Async.AsyncControllerActionInvoker.EndInvokeActionMethod(IAsyncResult asyncResult) +32System.Web.Mvc.Async.AsyncInvocationWithFilters.<InvokeActionMethodFilterAsynchronouslyRecursive>b__11_0() +50System.Web.Mvc.Async.<>c__DisplayClass11_1.<InvokeActionMethodFilterAsynchronouslyRecursive>b__2() +228System.Web.Mvc.Async.<>c__DisplayClass7_0.<BeginInvokeActionMethodWithFilters>b__1(IAsyncResult asyncResult) +10System.Web.Mvc.Async.WrappedAsyncResult`1.CallEndDelegate(IAsyncResult asyncResult) +10System.Web.Mvc.Async.WrappedAsyncResultBase`1.End() +49System.Web.Mvc.Async.AsyncControllerActionInvoker.EndInvokeActionMethodWithFilters(IAsyncResult asyncResult) +34System.Web.Mvc.Async.<>c__DisplayClass3_6.<BeginInvokeAction>b__3() +35System.Web.Mvc.Async.<>c__DisplayClass3_1.<BeginInvokeAction>b__5(IAsyncResult asyncResult) +100System.Web.Mvc.Async.WrappedAsyncResult`1.CallEndDelegate(IAsyncResult asyncResult) +10System.Web.Mvc.Async.WrappedAsyncResultBase`1.End() +49System.Web.Mvc.Async.AsyncControllerActionInvoker.EndInvokeAction(IAsyncResult asyncResult) +27System.Web.Mvc.<>c.<BeginExecuteCore>b__152_1(IAsyncResult asyncResult, ExecuteCoreState innerState) +11System.Web.Mvc.Async.WrappedAsyncVoid`1.CallEndDelegate(IAsyncResult asyncResult) +29System.Web.Mvc.Async.WrappedAsyncResultBase`1.End() +49System.Web.Mvc.Controller.EndExecuteCore(IAsyncResult asyncResult) +45System.Web.Mvc.<>c.<BeginExecute>b__151_2(IAsyncResult asyncResult, Controller controller) +13System.Web.Mvc.Async.WrappedAsyncVoid`1.CallEndDelegate(IAsyncResult asyncResult) +22System.Web.Mvc.Async.WrappedAsyncResultBase`1.End() +49System.Web.Mvc.Controller.EndExecute(IAsyncResult asyncResult) +26System.Web.Mvc.Controller.System.Web.Mvc.Async.IAsyncController.EndExecute(IAsyncResult asyncResult) +10System.Web.Mvc.<>c.<BeginProcessRequest>b__20_1(IAsyncResult asyncResult, ProcessRequestState innerState) +28System.Web.Mvc.Async.WrappedAsyncVoid`1.CallEndDelegate(IAsyncResult asyncResult) +29System.Web.Mvc.Async.WrappedAsyncResultBase`1.End() +49System.Web.Mvc.MvcHandler.EndProcessRequest(IAsyncResult asyncResult) +28System.Web.Mvc.MvcHandler.System.Web.IHttpAsyncHandler.EndProcessRequest(IAsyncResult result) +9System.Web.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +9748493System.Web.HttpApplication.ExecuteStepImpl(IExecutionStep step) +48System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +159