问：“/”应用程序中的服务器错误。等待的操作过时。 说明: 执行当前
Web 请求期间，出现未经处理的异常。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.ComponentModel.Win32Exception: 等待的操作过时。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。 [Win32Exception (0x: 等待的操作过时。]
[SqlException (0x: 连接超时时间已到。在尝试使用预登录握手确认时超过了此超时时间。这可能是因为预登录握手失败或服务器未能及时响应。 尝试连接到此服务器时花费的持续时间是 – [Pre-Login] initialization=8；handshake=14990；]
System.Data.SqlClient.SqlInternalConnectionTds..ctor(DbConnectionPoolIdentity , SqlConnectionString connectionOptions, credential, providerInfo, newPassword, newSecurePassword, redirectedUserInstance, SqlConnectionString userConnectionOptions, reconnectSessionData, DbConnectionPool pool, accessToken, applyTransientFaultHandling, SqlAuthenticationProviderManager sqlAuthProviderManager) 1431
System.Data.SqlClient.SqlConnectionFactory.CreateConnection(DbConnectionOptions , DbConnectionPoolKey , poolGroupProviderInfo, DbConnectionPool pool, owningConnection, DbConnectionOptions userOptions) 1085
System.Data.ProviderBase.DbConnectionFactory.CreatePooledConnection(DbConnectionPool pool, owningObject, DbConnectionOptions , DbConnectionPoolKey , DbConnectionOptions userOptions) 70
System.Data.ProviderBase.DbConnectionPool.CreateObject(DbConnection , DbConnectionOptions , DbConnectionInternal oldConnection) 964
System.Data.ProviderBase.DbConnectionPool.UserCreateRequest(DbConnection , DbConnectionOptions , DbConnectionInternal oldConnection) 109
System.Data.ProviderBase.DbConnectionPool.TryGetConnection(DbConnection , waitForMultipleObjectsTimeout, allowCreate, onlyOneCheckConnection, DbConnectionOptions , DbConnectionInternal& connection) 1529
System.Data.ProviderBase.DbConnectionPool.TryGetConnection(DbConnection , TaskCompletionSource`1 retry, DbConnectionOptions , DbConnectionInternal& connection) 156
System.Data.ProviderBase.DbConnectionFactory.TryGetConnection(DbConnection owningConnection, TaskCompletionSource`1 retry, DbConnectionOptions , DbConnectionInternal , DbConnectionInternal& connection) 258
System.Data.ProviderBase.DbConnectionInternal.TryOpenConnectionInternal(DbConnection , DbConnectionFactory connectionFactory, TaskCompletionSource`1 retry, DbConnectionOptions userOptions) 312
System.Data.SqlClient.SqlConnection.TryOpenInner(TaskCompletionSource`1 retry) 202
System.Data.SqlClient.SqlConnection.TryOpen(TaskCompletionSource`1 retry) 413
System.Data.SqlClient.SqlConnection.Open() 128
HR.Common.SqlHelper.PrepareCommand(SqlCommand , connection, transaction, commandType, commandText, IEnumerable`1 commandParameters, & mustCloseConnection) 103
HR.Common.SqlHelper.ExecuteReader(String , IEnumerable`1 , commandType, sqlConnection, sqlTransaction) 786
HR.HR.Links.GetLinkList(Int32& count, Nullable`1 , Nullable`1 , Int32 , Int32 pageIndex) 761
HR.WebApp.Index.BindLinkList() 172
HR.WebApp.Index.BindList() 38
HR.WebApp.Index.BindFirst() 179
HR.WebApp.Index.Page_Load(Object , e) 88
System.Web.UI.Control.OnLoad(EventArgs e) 106
System.Web.UI.Control.LoadRecursive() 68
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, includeStagesAfterAsyncPoint) 3785版本信息: .NET 版本:4.0.30319; ASP.NET 版本:4.7.3062.0 ,应用程序中的服务器错误
答：您好，
