“/”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 268:                string sql_ = "select top " + topnums + " a.title,a.titlebold,a.titlecolor,a.website,a.htmlurl,a.picSmall,a.describe,a.dates,b.infoname,a.fid,a.cid,a.id from " + param[2] + " as a,info_class as b where a.cid=b.id and a.cid=" + fid + "  and a.state>0 and a.info_state=2 order by a.state desc,a.dates desc, a.sortnum desc, a.id desc";//and a.hot>0 and a.tgstate>0 
行 269:                OleDbDataReader dr_ = con.DrSelect(sql_, null);
行 270:                while (dr_.Read())
行 271:                {
行 272:                    string str_repeat = dr["repeats"].ToString();

源文件: d:\website\www.aitg.cn\App_Code\jss_fc\JSSMethods.cs    行: 270

堆栈跟踪:


[NullReferenceException: 未将对象引用设置到对象的实例。]
   jss_fc.JSSMethods.mt_friendhref_(String tagename, OperateDB con, String[] param) in d:\website\www.aitg.cn\App_Code\jss_fc\JSSMethods.cs:270
   jss_fc.JSSMethods.TAGES_SINGLE(String tagename, OperateDB con, String[] param, String[] idsparam) in d:\website\www.aitg.cn\App_Code\jss_fc\JSSMethods.cs:253
   info.Page_Load(Object sender, EventArgs e) in d:\website\www.aitg.cn\info.aspx.cs:86
   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:2.0.50727.5485; ASP.NET 版本:2.0.50727.5491