在 System.Web.UI.Page.HandleError(Exception e)
   在 System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)
   在 System.Web.UI.Page.ProcessRequest(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)
   在 System.Web.UI.Page.ProcessRequest()
   在 System.Web.UI.Page.ProcessRequestWithNoAssert(HttpContext context)
   在 System.Web.UI.Page.ProcessRequest(HttpContext context)
   在 ASP.index_aspx.ProcessRequest(HttpContext context) 位置 c:\Windows\Microsoft.NET\Framework\v4.0.30319\Temporary ASP.NET Files\root\05a9deed\d34bae80\App_Web_gr1zkm4m.1.cs:行号 0
   在 System.Web.HttpApplication.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute()
   在 System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously)

System.Data.SqlClient.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.ComponentModel.Win32Exception (0x80004005): 系统找不到指定的文件。
   在 System.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception, Boolean breakConnection, Action`1 wrapCloseInAction)
   在 System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj, Boolean callerHasConnectionLock, Boolean asyncClose)
   在 System.Data.SqlClient.TdsParser.Connect(ServerInfo serverInfo, SqlInternalConnectionTds connHandler, Boolean ignoreSniOpenTimeout, Int64 timerExpire, Boolean encrypt, Boolean trustServerCert, Boolean integratedSecurity, Boolean withFailover)
   在 System.Data.SqlClient.SqlInternalConnectionTds.AttemptOneLogin(ServerInfo serverInfo, String newPassword, SecureString newSecurePassword, Boolean ignoreSniOpenTimeout, TimeoutTimer timeout, Boolean withFailover)
   在 System.Data.SqlClient.SqlInternalConnectionTds.LoginNoFailover(ServerInfo serverInfo, String newPassword, SecureString newSecurePassword, Boolean redirectedUserInstance, SqlConnectionString connectionOptions, SqlCredential credential, TimeoutTimer timeout)
   在 System.Data.SqlClient.SqlInternalConnectionTds.OpenLoginEnlist(TimeoutTimer timeout, SqlConnectionString connectionOptions, SqlCredential credential, String newPassword, SecureString newSecurePassword, Boolean redirectedUserInstance)
   在 System.Data.SqlClient.SqlInternalConnectionTds..ctor(DbConnectionPoolIdentity identity, SqlConnectionString connectionOptions, SqlCredential credential, Object providerInfo, String newPassword, SecureString newSecurePassword, Boolean redirectedUserInstance, SqlConnectionString userConnectionOptions)
   在 System.Data.SqlClient.SqlConnectionFactory.CreateConnection(DbConnectionOptions options, DbConnectionPoolKey poolKey, Object poolGroupProviderInfo, DbConnectionPool pool, DbConnection owningConnection, DbConnectionOptions userOptions)
   在 System.Data.ProviderBase.DbConnectionFactory.CreatePooledConnection(DbConnectionPool pool, DbConnectionOptions options, DbConnectionPoolKey poolKey, DbConnectionOptions userOptions)
   在 System.Data.ProviderBase.DbConnectionPool.CreateObject(DbConnectionOptions userOptions)
   在 System.Data.ProviderBase.DbConnectionPool.UserCreateRequest(DbConnectionOptions userOptions)
   在 System.Data.ProviderBase.DbConnectionPool.TryGetConnection(DbConnection owningObject, UInt32 waitForMultipleObjectsTimeout, Boolean allowCreate, Boolean onlyOneCheckConnection, DbConnectionOptions userOptions, DbConnectionInternal& connection)
   在 System.Data.ProviderBase.DbConnectionPool.TryGetConnection(DbConnection owningObject, TaskCompletionSource`1 retry, DbConnectionOptions userOptions, DbConnectionInternal& connection)
   在 System.Data.ProviderBase.DbConnectionFactory.TryGetConnection(DbConnection owningConnection, TaskCompletionSource`1 retry, DbConnectionOptions userOptions, DbConnectionInternal& connection)
   在 System.Data.ProviderBase.DbConnectionClosed.TryOpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory, TaskCompletionSource`1 retry, DbConnectionOptions userOptions)
   在 System.Data.SqlClient.SqlConnection.TryOpen(TaskCompletionSource`1 retry)
   在 System.Data.SqlClient.SqlConnection.Open()
   在 Kesion.DataBase.DBHelper.ExecuteDataset(String connectionString, CommandType commandType, String commandText, DbParameter[] commandParameters)
   在 Kesion.DataBase.DBHelper.ExecuteDataset(CommandType commandType, String commandText)
   在 Kesion.SqlDAL.DataFactory.GetDataTable(String sqlstr)
   在 Kesion.Cache.DataProvidor.GetDataTable(String sqlstr)
   在 Kesion.Cache.MyCache.GetAllNavigationLabelCache()
   在 Kesion.HtmlTags.Primary.Navigation.Run(String& F_C)
   在 Kesion.HtmlTags.Primary.Navigation.Run(String& F_C, String symbol, Int32 channelid, Int32 classid)
   在 Kesion.Controllers.indexController.afEq8lreff()
   在 Kesion.Controllers.indexController.Run(Boolean isMobileDevice)
   在 Kesion.NET.WebSite.Index.Page_Load(Object sender, EventArgs e)
   在 System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e)
   在 System.Web.UI.Control.OnLoad(EventArgs e)
   在 System.Web.UI.Control.LoadRecursive()
   在 System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)
ClientConnectionId:00000000-0000-0000-0000-000000000000