“/”应用程序中的服务器错误。

已成功与服务器建立连接,但是在登录过程中发生错误。 (provider: TCP 提供程序, error: 0 - 指定的网络名不再可用。)

说明: 执行当前 Web 请求期间,出现未处理的异常。请检查堆栈跟踪信息,以了解有关该错误以及代码中导致错误的出处的详细信息。

异常详细信息: System.Data.SqlClient.SqlException: 已成功与服务器建立连接,但是在登录过程中发生错误。 (provider: TCP 提供程序, error: 0 - 指定的网络名不再可用。)

源错误:


行 23:         {
行 24:             newsBLL bll = new newsBLL();
行 25:             model = bll.GetModel(MyCLib.StrClass.ConvertToInt(MyCLib.StrClass.GetRequest("key1"), 0));
行 26:             if (model == null)
行 27:             {

源文件: d:\yl01-com\ylnjs_web\hywebs\huangqi\m\zixun.aspx.cs    行: 25

堆栈跟踪:


[SqlException (0x80131904): 已成功与服务器建立连接,但是在登录过程中发生错误。 (provider: TCP 提供程序, error: 0 - 指定的网络名不再可用。)]
   System.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception, Boolean breakConnection) +6299689
   System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj) +245
   System.Data.SqlClient.TdsParserStateObject.ReadSniError(TdsParserStateObject stateObj, UInt32 error) +698
   System.Data.SqlClient.TdsParserStateObject.ReadSni(DbAsyncResult asyncResult, TdsParserStateObject stateObj) +313
   System.Data.SqlClient.TdsParserStateObject.ReadNetworkPacket() +58
   System.Data.SqlClient.TdsParserStateObject.ReadBuffer() +30
   System.Data.SqlClient.TdsParserStateObject.ReadByte() +108
   System.Data.SqlClient.TdsParser.Run(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj) +187
   System.Data.SqlClient.SqlInternalConnectionTds.CompleteLogin(Boolean enlistOK) +53
   System.Data.SqlClient.SqlInternalConnectionTds.AttemptOneLogin(ServerInfo serverInfo, String newPassword, Boolean ignoreSniOpenTimeout, Int64 timerExpire, SqlConnection owningObject, Boolean withFailover) +353
   System.Data.SqlClient.SqlInternalConnectionTds.LoginNoFailover(String host, String newPassword, Boolean redirectedUserInstance, SqlConnection owningObject, SqlConnectionString connectionOptions, Int64 timerStart) +6319663
   System.Data.SqlClient.SqlInternalConnectionTds.OpenLoginEnlist(SqlConnection owningObject, SqlConnectionString connectionOptions, String newPassword, Boolean redirectedUserInstance) +6319784
   System.Data.SqlClient.SqlInternalConnectionTds..ctor(DbConnectionPoolIdentity identity, SqlConnectionString connectionOptions, Object providerInfo, String newPassword, SqlConnection owningObject, Boolean redirectedUserInstance) +354
   System.Data.SqlClient.SqlConnectionFactory.CreateConnection(DbConnectionOptions options, Object poolGroupProviderInfo, DbConnectionPool pool, DbConnection owningConnection) +703
   System.Data.ProviderBase.DbConnectionFactory.CreatePooledConnection(DbConnection owningConnection, DbConnectionPool pool, DbConnectionOptions options) +54
   System.Data.ProviderBase.DbConnectionPool.CreateObject(DbConnection owningObject) +6321048
   System.Data.ProviderBase.DbConnectionPool.UserCreateRequest(DbConnection owningObject) +81
   System.Data.ProviderBase.DbConnectionPool.GetConnection(DbConnection owningObject) +1657
   System.Data.ProviderBase.DbConnectionFactory.GetConnection(DbConnection owningConnection) +88
   System.Data.ProviderBase.DbConnectionClosed.OpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory) +6324471
   System.Data.SqlClient.SqlConnection.Open() +258
   Maticsoft.DBUtility.DbHelperSQL.PrepareCommand(SqlCommand cmd, SqlConnection conn, SqlTransaction trans, String cmdText, SqlParameter[] cmdParms) +182
   Maticsoft.DBUtility.DbHelperSQL.Query(String SQLString, SqlParameter[] cmdParms) +226
   myweb.DAL.newsDAL.GetModel(Int32 ID) +592
   myweb.BLL.newsBLL.GetModel(Int32 ID) +80
   m_zixun.Page_Load(Object sender, EventArgs e) in d:\yl01-com\ylnjs_web\hywebs\huangqi\m\zixun.aspx.cs:25
   System.Web.Util.CalliHelper.EventArgFunctionCaller(IntPtr fp, Object o, Object t, EventArgs e) +25
   System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +42
   System.Web.UI.Control.OnLoad(EventArgs e) +132
   System.Web.UI.Control.LoadRecursive() +66
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +2428


版本信息: Microsoft .NET Framework 版本:2.0.50727.8806; ASP.NET 版本:2.0.50727.8762