“/”应用程序中的服务器错误。

未将对象引用设置到对象的实例。

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: 未将对象引用设置到对象的实例。

源错误:


行 115:        dbmanager.connectDB();
行 116:        SqlCommand cmd = dbmanager.getcmd("select * from " + strTableClass + " where cversion='" + neo.Bll.Common.strVersionChinese + "' and parentname='所内人员'  order by sort asc");
行 117:        SqlDataReader reader = cmd.ExecuteReader();
行 118:        while (reader.Read())
行 119:        {

源文件: c:\wwwsite\naocecfd-chuanbo\Tuandui\showDetail.aspx.cs    行: 117

堆栈跟踪:


[NullReferenceException: 未将对象引用设置到对象的实例。]
   System.Data.SqlClient.SqlConnection.get_TypeSystem() +25
   System.Data.SqlClient.SqlDataReader..ctor(SqlCommand command, CommandBehavior behavior) +192
   System.Data.SqlClient.SqlCommand.RunExecuteReaderTds(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, Boolean async) +6292993
   System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method, DbAsyncResult result) +424
   System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method) +28
   System.Data.SqlClient.SqlCommand.ExecuteReader(CommandBehavior behavior, String method) +211
   System.Data.SqlClient.SqlCommand.ExecuteReader() +117
   _Default.showLeftNav(Int32 ntemp) in c:\wwwsite\naocecfd-chuanbo\Tuandui\showDetail.aspx.cs:117
   _Default.Page_Load(Object sender, EventArgs e) in c:\wwwsite\naocecfd-chuanbo\Tuandui\showDetail.aspx.cs:46
   System.Web.Util.CalliHelper.EventArgFunctionCaller(IntPtr fp, Object o, Object t, EventArgs e) +25
   System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +42
   System.Web.UI.Control.OnLoad(EventArgs e) +132
   System.Web.UI.Control.LoadRecursive() +66
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +2428


版本信息: Microsoft .NET Framework 版本:2.0.50727.5420; ASP.NET 版本:2.0.50727.5420