[Win32Exception (0x80004005): 等待的操作過時。]
[SqlException (0x80131904): 連接超時時間已到。在嚐試使用預登錄握手確認時超過了此超時時間。這可能是因為預登錄握手失敗或服務器未能及時響應。 嚐試連接到此服務器時花費的持續時間是 - [Pre-Login] initialization=2996;handshake=12018;]
System.Data.ProviderBase.DbConnectionPool.TryGetConnection(DbConnection owningObject, UInt32 waitForMultipleObjectsTimeout, Boolean allowCreate, Boolean onlyOneCheckConnection, DbConnectionOptions userOptions, DbConnectionInternal& connection) +642
System.Data.ProviderBase.DbConnectionPool.TryGetConnection(DbConnection owningObject, TaskCompletionSource`1 retry, DbConnectionOptions userOptions, DbConnectionInternal& connection) +116
System.Data.ProviderBase.DbConnectionFactory.TryGetConnection(DbConnection owningConnection, TaskCompletionSource`1 retry, DbConnectionOptions userOptions, DbConnectionInternal oldConnection, DbConnectionInternal& connection) +1079
System.Data.ProviderBase.DbConnectionInternal.TryOpenConnectionInternal(DbConnection outerConnection, DbConnectionFactory connectionFactory, TaskCompletionSource`1 retry, DbConnectionOptions userOptions) +6600667
System.Data.SqlClient.SqlConnection.TryOpenInner(TaskCompletionSource`1 retry) +233
System.Data.SqlClient.SqlConnection.TryOpen(TaskCompletionSource`1 retry) +278
System.Data.SqlClient.SqlConnection.Open() +239
WebBase.DBUtility.SqlHelper.PrepareCommand(SqlCommand cmd, SqlConnection conn, SqlTransaction trans, CommandType cmdType, String cmdText, SqlParameter[] cmdParms) in f:\mywork\b2b168\WebApp\B2bBase\SQLHelper.cs:203
WebBase.DBUtility.SqlHelper.ExecuteReader(String connectionString, CommandType cmdType, String cmdText, SqlParameter[] commandParameters) in f:\mywork\b2b168\WebApp\B2bBase\SQLHelper.cs:135
WebBase.Shop.ShopBase.GetDataRec(Int32 iValue, Int32 iRenew) in f:\mywork\b2b168\WebApp\B2bBase\ShopBase.cs:5588
WebBase.Shop.ShopBase.GetDataRec(Int32 iValue) in f:\mywork\b2b168\WebApp\B2bBase\ShopBase.cs:5538
WebApp.Index.GetShopInfo() in f:\mywork\b2b168\WebApp\WebApp\Index.aspx.cs:481
WebApp.Index.Page_Load(Object sender, EventArgs e) in f:\mywork\b2b168\WebApp\WebApp\Index.aspx.cs:133
System.Web.UI.Control.LoadRecursive() +71
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +3178
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