“/”应用程序中的服务器错误。

无效操作。连接被关闭。

说明: 执行当前 Web 请求期间,出现未经处理的异常。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.InvalidOperationException: 无效操作。连接被关闭。

源错误:


行 91:         SqlDataAdapter adp = new SqlDataAdapter(m.strsql(sql), db.conn);
行 92:         DataSet ds = new DataSet();
行 93:         adp.Fill(ds);
行 94:         return ds;
行 95:     }

源文件: d:\web\官网\cogitosoft.com\cogitosoft.com\cogitosoft.com\www\App_Code\db.cs    行: 93

堆栈跟踪:


[InvalidOperationException: 无效操作。连接被关闭。]
   System.Data.ProviderBase.DbConnectionClosed.CreateReferenceCollection() +84
   System.Data.ProviderBase.DbConnectionInternal.AddWeakReference(Object value, Int32 tag) +24
   System.Data.SqlClient.SqlConnection.AddWeakReference(Object value, Int32 tag) +18
   System.Data.SqlClient.SqlCommand.FinishExecuteReader(SqlDataReader ds, RunBehavior runBehavior, String resetOptionsString, Boolean isInternal, Boolean forDescribeParameterEncryption, Boolean shouldCacheForAlwaysEncrypted) +304
   System.Data.SqlClient.SqlCommand.RunExecuteReaderTds(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, Boolean async, Int32 timeout, Task& task, Boolean asyncWrite, Boolean inRetry, SqlDataReader ds, Boolean describeParameterEncryptionRequest) +2598
   System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method, TaskCompletionSource`1 completion, Int32 timeout, Task& task, Boolean& usedCache, Boolean asyncWrite, Boolean inRetry) +1552
   System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method) +64
   System.Data.SqlClient.SqlCommand.ExecuteReader(CommandBehavior behavior, String method) +161
   System.Data.SqlClient.SqlCommand.ExecuteDbDataReader(CommandBehavior behavior) +41
   System.Data.Common.DbCommand.System.Data.IDbCommand.ExecuteReader(CommandBehavior behavior) +12
   System.Data.Common.DbDataAdapter.FillInternal(DataSet dataset, DataTable[] datatables, Int32 startRecord, Int32 maxRecords, String srcTable, IDbCommand command, CommandBehavior behavior) +139
   System.Data.Common.DbDataAdapter.Fill(DataSet dataSet, Int32 startRecord, Int32 maxRecords, String srcTable, IDbCommand command, CommandBehavior behavior) +136
   System.Data.Common.DbDataAdapter.Fill(DataSet dataSet) +88
   db.getdataset(String sql) in d:\web\官网\cogitosoft.com\cogitosoft.com\cogitosoft.com\www\App_Code\db.cs:93
   db.v(String str) in d:\web\官网\cogitosoft.com\cogitosoft.com\cogitosoft.com\www\App_Code\db.cs:55
   m.getconfig(String str) in d:\web\官网\cogitosoft.com\cogitosoft.com\cogitosoft.com\www\App_Code\m.cs:555
   html_product_index.Page_Load(Object sender, EventArgs e) in d:\web\官网\cogitosoft.com\cogitosoft.com\cogitosoft.com\www\html\product\index.aspx.cs:23
   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


版本信息: Microsoft .NET Framework 版本:4.0.30319; ASP.NET 版本:4.7.3930.0