Server Error in '/' Application.

A connection was successfully established with the server, but then an error occurred during the pre-login handshake. (provider: TCP Provider, error: 0 - 指定的网络名不再可用。)

Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.Data.SqlClient.SqlException: A connection was successfully established with the server, but then an error occurred during the pre-login handshake. (provider: TCP Provider, error: 0 - 指定的网络名不再可用。)

Source Error:

An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.

Stack Trace:


[SqlException (0x80131904): A connection was successfully established with the server, but then an error occurred during the pre-login handshake. (provider: TCP Provider, error: 0 - 指定的网络名不再可用。)]
   System.Data.ProviderBase.DbConnectionPool.GetConnection(DbConnection owningObject) +1058
   System.Data.ProviderBase.DbConnectionFactory.GetConnection(DbConnection owningConnection) +111
   System.Data.ProviderBase.DbConnectionClosed.OpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory) +125
   System.Data.SqlClient.SqlConnection.Open() +157
   DBUtility.DbHelperSQL.RunProcedure(String storedProcName, IDataParameter[] parameters, String tableName) +93
   DAL.PageList.GetList(String TabName, String strGetFields, Int32 PageSize, Int32 PageIndex, String strWhere, String OrderByFields, Int32& RecordCount) +563
   Gzx.Jx_Km_list_c.GetData(Int32 pageindex) +1920
   Gzx.Jx_Km_list_c.Bind() +23
   Gzx.Jx_Km_list_c.Page_Load(Object sender, EventArgs e) +24
   System.Web.Util.CalliHelper.EventArgFunctionCaller(IntPtr fp, Object o, Object t, EventArgs e) +14
   System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +46
   System.Web.UI.Control.OnLoad(EventArgs e) +83
   System.Web.UI.Control.LoadRecursive() +120
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +3955


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.0.30319.1