[Win32Exception (0x80004005): 找不到网络路径。]
[SqlException (0x80131904): 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)]
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) +1089
System.Data.ProviderBase.DbConnectionInternal.TryOpenConnectionInternal(DbConnection outerConnection, DbConnectionFactory connectionFactory, TaskCompletionSource`1 retry, DbConnectionOptions userOptions) +6785863
System.Data.SqlClient.SqlConnection.TryOpenInner(TaskCompletionSource`1 retry) +233
System.Data.SqlClient.SqlConnection.TryOpen(TaskCompletionSource`1 retry) +278
System.Data.SqlClient.SqlConnection.Open() +239
DBHelper.DBHelper.GetDataTable(String sqlStr, String TableName) in E:\客户网站\e家政\程序代码\DBHelper\DBHelper.cs:81
[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)]
DBHelper.DBHelper.GetDataTable(String sqlStr, String TableName) in E:\客户网站\e家政\程序代码\DBHelper\DBHelper.cs:95
ChemguanDAL.WebsiteColumnDAL.intGetColumnID(String columnName) in E:\客户网站\e家政\程序代码\ChemguanDAL\WebsiteColumnDAL.cs:82
ChemguanBLL.WebsiteColumnBLL.intGetColumnID(String columnName) in E:\客户网站\e家政\程序代码\ChemguanBLL\WebsiteColumnBLL.cs:31
WebChemguan.contact_us.BindTitle() +178
ASP.contact_us_aspx.__RenderContent1(HtmlTextWriter __w, Control parameterContainer) +53
System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children) +131
System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter) +150
System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children) +249
System.Web.UI.HtmlControls.HtmlHead.RenderChildren(HtmlTextWriter writer) +28
System.Web.UI.HtmlControls.HtmlContainerControl.Render(HtmlTextWriter writer) +49
System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter) +150
ASP.site1_master.__Render__control1(HtmlTextWriter __w, Control parameterContainer) +100
System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children) +131
System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter) +150
System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children) +249
System.Web.UI.Page.Render(HtmlTextWriter writer) +40
System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter) +150
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +5363
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