[Exception: 在与 SQL Server 建立连接时出现与网络相关的或特定于实例的错误。未找到或无法访问服务器。请验证实例名称是否正确并且 SQL Server 已配置为允许远程连接。 (provider: Named Pipes Provider, error: 40 - 无法打开到 SQL Server 的连接)]
HYSWare.DBUtility.DataBase.SQLServerHelper.GetSingle(String sqlString) in G:\Item\2020_Year\HYJLSCJW\HYSWare.DBUtility\DataBase\SQLServerHelper.cs:312
HYSWare.DBUtility.DataBase.SQLServerHelper.Exists(String sqlString) in G:\Item\2020_Year\HYJLSCJW\HYSWare.DBUtility\DataBase\SQLServerHelper.cs:165
HYSWare.SQLServerDAL.QT.Fwjl.Exists(String strWhere) in G:\Item\2020_Year\HYJLSCJW\HYSWare.SQLServerDAL\QT\Fwjl.cs:62
HYSWare.Bll.QT.Fwjl.Exists(String strWhere) in G:\Item\2020_Year\HYJLSCJW\HYSWare.Bll\QT\Fwjl.cs:38
HYSWare.Common.SessionRecord.AddVisits(String sessionId, Int32 mkbs, Int32 hyid, Boolean sfckjg, Int32 fwlx) in G:\Item\2020_Year\HYJLSCJW\HYSWare.Common\SessionRecord.cs:365
HYSWare.Common.SessionRecord.AddVisits(Int32 mkbs) in G:\Item\2020_Year\HYJLSCJW\HYSWare.Common\SessionRecord.cs:327
HYSWare.Web.scj.scj_fzxq.Page_Load(Object sender, EventArgs e) in G:\Item\2020_Year\HYJLSCJW\HYSWare.Web\scj\scj_fzxq.aspx.cs:22
System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +85
System.Web.UI.Control.OnLoad(EventArgs e) +79
System.Web.UI.Control.LoadRecursive() +130
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +2857
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