“/”应用程序中的服务器错误。

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: 命名管道提供程序, error: 40 - 无法打开到 SQL Server 的连接)

说明: 执行当前 Web 请求期间,出现未处理的异常。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.Data.SqlClient.SqlException: 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: 命名管道提供程序, error: 40 - 无法打开到 SQL Server 的连接)

源错误:


行 44: string kwd=QS("kwd");
行 45: 
行 46: VW_Tag tag=DbSession.Default.Get<VW_Tag>(VW_Tag._.Enable==1 && VW_Tag._.Title==kwd);
行 47: 
行 48: if(tag==null){

源文件: d:\WEB_DISK\web_disk_guangwang\htdocs\tag\List.aspx    行: 46

堆栈跟踪:


[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: 命名管道提供程序, error: 40 - 无法打开到 SQL Server 的连接)]
   System.Data.ProviderBase.DbConnectionPool.GetConnection(DbConnection owningObject) +499
   System.Data.ProviderBase.DbConnectionFactory.GetConnection(DbConnection owningConnection) +65
   System.Data.ProviderBase.DbConnectionFactory.GetConnection(DbConnection owningConnection) +65
   System.Data.ProviderBase.DbConnectionClosed.OpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory) +96
   System.Data.ProviderBase.DbConnectionClosed.OpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory) +117
   System.Data.SqlClient.SqlConnection.Open() +122
   BlueCrystal.Data.DbHelper.ExecuteDataTable(DbCommand cmd) +73
   BlueCrystal.Data.DbProvider.ExecuteDataTable(DbCommand cmd, DbTran tran) +37
   System.Data.ProviderBase.DbConnectionClosed.OpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory) +117
   System.Data.ProviderBase.DbConnectionClosed.OpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory) +117
   System.Data.SqlClient.SqlConnection.Open() +122
   System.Data.SqlClient.SqlConnection.Open() +122
   BlueCrystal.Data.DbHelper.ExecuteDataTable(DbCommand cmd) +73
   BlueCrystal.Data.DbProvider.ExecuteReader(DbCommand cmd, DbTran tran) +36
   BlueCrystal.Data.DbHelper.ExecuteReader(DbCommand cmd) +66
   BlueCrystal.Data.DbHelper.ExecuteDataTable(DbCommand cmd) +73
   BlueCrystal.Data.QuerySection`1.ExcuteDataReader(QuerySection`1 query, Boolean all) +97
   BlueCrystal.Data.QuerySection`1.ExcuteDataReader(QuerySection`1 query, Boolean all) +97
   BlueCrystal.Data.DbHelper.ExecuteReader(DbCommand cmd) +66
   BlueCrystal.Data.DbProvider.ExecuteReader(DbCommand cmd, DbTran tran) +36
   BlueCrystal.Data.QuerySection`1.ExcuteDataTable(QuerySection`1 query, Boolean all) +344
   BlueCrystal.Data.QuerySection`1.ToDataTable() +50
   NSW.OConfig2.PrivateSet.get_HashExpandURL() +161
   NSW.Web.Module.URLModule.GetRewritePath(String path) +599
   BlueCrystal.Data.QuerySection`1.ExcuteDataReader(QuerySection`1 query, Boolean all) +104
   NVTools.NTools.get_SitePage() +109
   BlueCrystal.Data.FromSection`1.ToDataTable() +11
   NVTools.NTools.SetColumnSeo(Nullable`1 columnType, String SID, VelocityContext context) +22
   NSW.OConfig2.PrivateSet.get_HashExpandURL() +161
   index.Page_Load(Object sender, EventArgs e) +395
   NSW.Web.Module.URLModule.GetRewritePath(String path) +599
   System.Web.Util.CalliHelper.EventArgFunctionCaller(IntPtr fp, Object o, Object t, EventArgs e) +14
   NVTools.NTools.SetColumnSeo(Nullable`1 columnType, String SID, VelocityContext context, Boolean isMobile) +1045
   NSW.Web.Module.URLModule.Application_BeginRequest(Object source, EventArgs e) +1386
   NSW.Web.Mobile.index.Page_Load(Object sender, EventArgs e) +126
   System.Web.UI.Control.OnLoad(EventArgs e) +99
   System.Web.SyncEventExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +68
   NSW.Web.UI.BasePages.OnLoad(EventArgs e) +4
   System.Web.Util.CalliHelper.EventArgFunctionCaller(IntPtr fp, Object o, Object t, EventArgs e) +14
   System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +75
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +627
   System.Web.UI.Control.OnLoad(EventArgs e) +99
   NSW.Web.UI.BasePage.OnLoad(EventArgs e) +4
   System.Web.UI.Control.LoadRecursive() +50
   BlueCrystal.Data.QuerySection`1.GetList(QuerySection`1 query, Boolean all) +755
   BlueCrystal.Data.QuerySection`1.GetList(QuerySection`1 query, Int32 itemCount, Int32 skipCount) +118
   BlueCrystal.Data.QuerySection`1.GetList(QuerySection`1 query, Boolean all) +755
   BlueCrystal.Data.DbTran.Get(WhereClip where) +66
   BlueCrystal.Data.DbSession.Get(WhereClip where) +59
   BlueCrystal.Data.QuerySection`1.ToFirst() +56
   ASP.tag_list_aspx.__Render__control1(HtmlTextWriter __w, Control parameterContainer) in d:\WEB_DISK\web_disk_guangwang\htdocs\tag\List.aspx:46
   BlueCrystal.Data.DbTran.Get(WhereClip where) +66
   System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children) +256
   System.Web.UI.Control.RenderChildren(HtmlTextWriter writer) +19
   BlueCrystal.Data.DbSession.Get(WhereClip where) +59
   System.Web.UI.Page.Render(HtmlTextWriter writer) +29
   System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter) +27
   System.Web.UI.Page.Render(HtmlTextWriter writer) +29
   System.Web.UI.Control.RenderControl(HtmlTextWriter writer, ControlAdapter adapter) +99
   System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter) +27
   System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children) +256
   System.Web.UI.Control.RenderControl(HtmlTextWriter writer, ControlAdapter adapter) +99
   System.Web.UI.Control.RenderChildren(HtmlTextWriter writer) +19
   System.Web.UI.Page.Render(HtmlTextWriter writer) +29
   System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter) +27
   System.Web.UI.Control.RenderControl(HtmlTextWriter writer, ControlAdapter adapter) +99
   System.Web.UI.Control.RenderControl(HtmlTextWriter writer) +25
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1266


版本信息: Microsoft .NET Framework 版本:2.0.50727.9035; ASP.NET 版本:2.0.50727.9031