System.Data.SqlClient.SqlException (0x80131904): 连接超时时间已到。在登录后阶段超过了此超时时间。连接可能在等待服务器完成登录过程并响应时超时;或者在尝试创建多个活动连接时超时。 尝试连接到此服务器时花费的持续时间是 - [Pre-Login] initialization=1;handshake=7;[Login] initialization=0;authentication=0;[Post-Login] complete=14740; ---> System.ComponentModel.Win32Exception (0x80004005): 等待的操作过时。 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 oldConnection, DbConnectionInternal& connection) 在 System.Data.ProviderBase.DbConnectionInternal.TryOpenConnectionInternal(DbConnection outerConnection, DbConnectionFactory connectionFactory, TaskCompletionSource`1 retry, DbConnectionOptions userOptions) 在 System.Data.SqlClient.SqlConnection.TryOpenInner(TaskCompletionSource`1 retry) 在 System.Data.SqlClient.SqlConnection.TryOpen(TaskCompletionSource`1 retry) 在 System.Data.SqlClient.SqlConnection.Open() 在 KeLin.ClassManager.ExUtility.DbHelperSQL.ExecuteNonQuery(String connectionString, CommandType commandType, String commandText, SqlParameter[] commandParameters) 在 KeLin.ClassManager.DAL.user_DAL.DelOnline(String siteid, String delTime) 在 KeLin.WebSite.PageWap.a(Object A_0, EventArgs A_1) ClientConnectionId:c3e14a1d-defd-48e5-9c59-32daaa8a6059 Error Number:-2,State:0,Class:11