




<div>错误信息</div>

<div>A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections. (provider: Named Pipes Provider, error: 40 - Could not open a connection to SQL Server)
   at System.Data.ProviderBase.DbConnectionPool.TryGetConnection(DbConnection owningObject, UInt32 waitForMultipleObjectsTimeout, Boolean allowCreate, Boolean onlyOneCheckConnection, DbConnectionOptions userOptions, DbConnectionInternal&amp; connection)
   at System.Data.ProviderBase.DbConnectionPool.TryGetConnection(DbConnection owningObject, TaskCompletionSource`1 retry, DbConnectionOptions userOptions, DbConnectionInternal&amp; connection)
   at System.Data.ProviderBase.DbConnectionFactory.TryGetConnection(DbConnection owningConnection, TaskCompletionSource`1 retry, DbConnectionOptions userOptions, DbConnectionInternal&amp; connection)
   at System.Data.ProviderBase.DbConnectionClosed.TryOpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory, TaskCompletionSource`1 retry, DbConnectionOptions userOptions)
   at System.Data.SqlClient.SqlConnection.TryOpen(TaskCompletionSource`1 retry)
   at System.Data.SqlClient.SqlConnection.Open()
   at JacarandaX.DataAccess.CreateConnection(DatabaseConfig config, Transaction transaction)
   at JacarandaX.DataAccess.Select(DbCommand command, DatabaseConfig config, Transaction transaction)
   at JacarandaX.SqlQueryProvider`1.Execute[TResult](Expression expression)
   at System.Linq.Queryable.First[TSource](IQueryable`1 source)
   at Biaowu.Storage.BiaowuStorage.GetByAutoID(Int32 autoID) in c:\工作空间\代码\dotnet\计量院\Biaowu\Biaowu.Storage\BiaowuStorage.cs:line 35
   at Biaowu.Domain.BiaowuScript.GetBiaowu(Int32 autoID, Boolean loadCas) in c:\工作空间\代码\dotnet\计量院\Biaowu\Biaowu.Domain\BiaowuEntityScript.cs:line 538
   at Biaowu.Areas.Web.Controllers.OrderingController.MaterialDetail(Int32 autoID) in c:\工作空间\代码\dotnet\计量院\Biaowu\Biaowu\Areas\Web\Controllers\OrderingController.cs:line 192
   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.&lt;BeginInvokeSynchronousActionMethod&gt;b__36(IAsyncResult asyncResult, ActionInvocation innerInvokeState)
   at System.Web.Mvc.Async.AsyncResultWrapper.WrappedAsyncResult`2.CallEndDelegate(IAsyncResult asyncResult)
   at System.Web.Mvc.Async.AsyncResultWrapper.WrappedAsyncResultBase`1.End()
   at System.Web.Mvc.Async.AsyncControllerActionInvoker.EndInvokeActionMethod(IAsyncResult asyncResult)
   at System.Web.Mvc.Async.AsyncControllerActionInvoker.AsyncInvocationWithFilters.&lt;InvokeActionMethodFilterAsynchronouslyRecursive&gt;b__3c()
   at System.Web.Mvc.Async.AsyncControllerActionInvoker.AsyncInvocationWithFilters.&lt;&gt;c__DisplayClass45.&lt;InvokeActionMethodFilterAsynchronouslyRecursive&gt;b__3e()</div>