“/”应用程序中的服务器错误。

序列不包含任何元素

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.InvalidOperationException: 序列不包含任何元素

源错误:


行 42:     {
行 43:         tb_infoType parentType = new tb_infoType();
行 44:         parentType = t.SelectRecordByID(t.SelectRecordByID(int.Parse(grade3)).parentId);
行 45:         pro_type_name = "<a href='product.aspx?grade2=" + parentType.typeId + "&PID=" + parentType.remark1 + "' style=\"font-size:13px;color:White; font-family:新宋体; font-weight:bold;\">" + parentType.typeName + "</a> >>&nbsp;" + t.SelectRecordByID(int.Parse(grade3)).typeName;
行 46:         seokey = parentType.remark1 + "_" + t.SelectRecordByID(int.Parse(grade3)).typeName;

源文件: d:\webroot\njqcjd-web\product.aspx.cs    行: 44

堆栈跟踪:


[InvalidOperationException: 序列不包含任何元素]
   DataAccess.DALinfoTypes.SelectRecordByID(Int32 typeId) in f:\淘宝工作目录\searchjapan-web-201601062328\DataAccess\DataAccess\DALinfoTypes.cs:251
   BusinessFacade.BFLinfoTypes.SelectRecordByID(Int32 typeId) in f:\淘宝工作目录\searchjapan-web-201601062328\BusinessFacade\BusinessFacade\BFLinfoTypes.cs:99
   _Default.BindForGrade3(String grade3) in d:\webroot\njqcjd-web\product.aspx.cs:44
   _Default.BindALL() in d:\webroot\njqcjd-web\product.aspx.cs:130
   _Default.Page_Load(Object sender, EventArgs e) in d:\webroot\njqcjd-web\product.aspx.cs:19
   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:2.0.50727.8806; ASP.NET 版本:2.0.50727.8762