[Win32Exception (0x80004005): 拒绝访问。]
[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) +347
System.Data.ProviderBase.DbConnectionPool.TryGetConnection(DbConnection owningObject, TaskCompletionSource`1 retry, DbConnectionOptions userOptions, DbConnectionInternal& connection) +78
System.Data.ProviderBase.DbConnectionFactory.TryGetConnection(DbConnection owningConnection, TaskCompletionSource`1 retry, DbConnectionOptions userOptions, DbConnectionInternal oldConnection, DbConnectionInternal& connection) +191
System.Data.ProviderBase.DbConnectionInternal.TryOpenConnectionInternal(DbConnection outerConnection, DbConnectionFactory connectionFactory, TaskCompletionSource`1 retry, DbConnectionOptions userOptions) +154
System.Data.ProviderBase.DbConnectionClosed.TryOpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory, TaskCompletionSource`1 retry, DbConnectionOptions userOptions) +21
System.Data.SqlClient.SqlConnection.TryOpenInner(TaskCompletionSource`1 retry) +90
System.Data.SqlClient.SqlConnection.TryOpen(TaskCompletionSource`1 retry) +443
System.Data.SqlClient.SqlConnection.Open() +96
dbTools.SqlHelper.ExecuteDataTable(String ConnString, CommandType commandType, String commandText, SqlParameter[] commandParameters) in D:\数据归档交接\程序\第三批\高校科学营官网\ScienceCamp\sinto.Tools\dbTools\SqlHelper.cs:1851
dbTools.SqlHelper.ExecuteDataTable(String commandText, SqlParameter[] commandParameters) in D:\数据归档交接\程序\第三批\高校科学营官网\ScienceCamp\sinto.Tools\dbTools\SqlHelper.cs:1996
ScienceCamp.Dal.ExeSql`1.GetPage(ICollection`1 DicFilter, Nullable`1 logicOper, ICollection`1 FieldsOutput, Nullable`1 FieldOrder, Boolean IsDesc, Int32 PageIndex, Int32 PageSize, Int32& RecordCount) in D:\数据归档交接\程序\第三批\高校科学营官网\ScienceCamp\ScienceCamp.Dal\tools\ExeSql.cs:697
ScienceCamp.Dal.Base`1.GetPage(ICollection`1 DicFilter, Nullable`1 logicOper, ICollection`1 FieldsOutput, Nullable`1 FieldOrder, Boolean IsDesc, Int32 PageIndex, Int32 PageSize, Int32& RecordCount) in D:\数据归档交接\程序\第三批\高校科学营官网\ScienceCamp\ScienceCamp.Dal\tools\Base.cs:405
ScienceCamp.Dal.Base`1.GetPage(ICollection`1 DicFilter, Nullable`1 logicOper, Nullable`1 FieldOrder, Boolean IsDesc, Int32 PageIndex, Int32 PageSize, Int32& RecordCount) in D:\数据归档交接\程序\第三批\高校科学营官网\ScienceCamp\ScienceCamp.Dal\tools\Base.cs:383
ScienceCamp2013._2019.campVideo.BindData() in D:\数据归档交接\程序\第三批\高校科学营官网\高校科学营官网\ScienceCamp\ScienceCamp2013\2019\campVideo.aspx.cs:37
ScienceCamp2013._2019.campVideo.Page_Load(Object sender, EventArgs e) in D:\数据归档交接\程序\第三批\高校科学营官网\高校科学营官网\ScienceCamp\ScienceCamp2013\2019\campVideo.aspx.cs:25
System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +51
System.Web.UI.Control.OnLoad(EventArgs e) +95
System.Web.UI.Control.LoadRecursive() +59
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +678
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