“/”应用程序中的服务器错误。

龙8国际官网授权_龙8国际网页版v

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.NullReferenceException: 龙8国际官网授权_龙8国际网页版v

源错误:


行 185:    {
行 186:        DataTable dt = new DataTable();
行 187:        new OleDbDataAdapter(sql, Conn).Fill(dt);
行 188:        if (close)
行 189:            CloseConn();

源文件: f:\usr\localuser\bxw2404210240\App_Code\DBHelper.cs    行: 187

堆栈跟踪:


[NullReferenceException: 龙8国际官网授权_龙8国际网页版v]
   System.Data.OleDb.OleDbConnection.ValidateTransaction(OleDbTransaction transaction, String method) +18
   System.Data.OleDb.OleDbCommand.ValidateConnectionAndTransaction(String method) +40
   System.Data.OleDb.OleDbCommand.ExecuteReaderInternal(CommandBehavior behavior, String method) +56
   System.Data.OleDb.OleDbCommand.ExecuteReader(CommandBehavior behavior) +116
   System.Data.OleDb.OleDbCommand.System.Data.IDbCommand.ExecuteReader(CommandBehavior behavior) +4
   System.Data.Common.DbDataAdapter.FillInternal(DataSet dataset, DataTable[] datatables, Int32 startRecord, Int32 maxRecords, String srcTable, IDbCommand command, CommandBehavior behavior) +130
   System.Data.Common.DbDataAdapter.Fill(DataTable[] dataTables, Int32 startRecord, Int32 maxRecords, IDbCommand command, CommandBehavior behavior) +162
   System.Data.Common.DbDataAdapter.Fill(DataTable dataTable) +115
   DBHelper.TableSql(Boolean close, String sql) in f:\usr\localuser\bxw2404210240\App_Code\DBHelper.cs:187
   DBHelper.TableSql(String sql) in f:\usr\localuser\bxw2404210240\App_Code\DBHelper.cs:177
   productsDetail_d.Page_Load(Object sender, EventArgs e) in f:\usr\localuser\bxw2404210240\productsDetail_d.aspx.cs:16
   System.Web.Util.CalliHelper.EventArgFunctionCaller(IntPtr fp, Object o, Object t, EventArgs e) +14
   System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +35
   System.Web.UI.Control.OnLoad(EventArgs e) +99
   System.Web.UI.Control.LoadRecursive() +50
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +627


版本信息: Microsoft .NET Framework 版本:2.0.50727.8800; ASP.NET 版本:2.0.50727.8762