Server Error in '/productshow' Application.

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Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.NullReferenceException: 亚博娱乐官网入口-亚博体育app官方下载苹果版-亚博体育app下载阿根廷合作伙伴

Source Error:


Line 40:     var cpgg = yixiangProductshow.Cpgg;
Line 41:     var cpcd = yixiangProductshow.Cpcd;
Line 42:     List<ExhibitionEntity> listExhibitionEntity = ExhibitionEnterpriseBll.Get2WeiGuoQi(gsid);
Line 43:     var liuyanCount = YixiangShengqingSvr.Instance.GetTotalCountByGsid(gsid);//留言申请数量
Line 44:     var woyaodaili = string.Format("http://www.tangjiu.com/v/book.asp?username={0}", user);

Source File: d:\wangyongpeng\chanpinku\0.0.3\Views\Shared\ProductDetails\_body_3.cshtml    Line: 42

Stack Trace:


[NullReferenceException: 亚博娱乐官网入口-亚博体育app官方下载苹果版-亚博体育app下载阿根廷合作伙伴]
   Exhibition.Business.ExhibitionEnterpriseBll.Get2WeiGuoQi(Int32 gsid) in D:\糖玖网络\公司项目\2018-展会频道\02-dao层\Exhibition.Dao\Exhibition.Business\ExhibitionEnterpriseBll.cs:470
   ASP._Page_Views_Shared_ProductDetails__body_3_cshtml.Execute() in d:\wangyongpeng\chanpinku\0.0.3\Views\Shared\ProductDetails\_body_3.cshtml:42
   System.Web.WebPages.WebPageBase.ExecutePageHierarchy() +279
   System.Web.Mvc.WebViewPage.ExecutePageHierarchy() +125
   System.Web.WebPages.WebPageBase.ExecutePageHierarchy(WebPageContext pageContext, TextWriter writer, WebPageRenderingBase startPage) +195
   System.Web.Mvc.Html.PartialExtensions.Partial(HtmlHelper htmlHelper, String partialViewName, Object model, ViewDataDictionary viewData) +157
   ASP._Page_Views_Home_ProductDetails_cshtml.Execute() in d:\wangyongpeng\chanpinku\0.0.3\Views\Home\ProductDetails.cshtml:66
   System.Web.WebPages.WebPageBase.ExecutePageHierarchy() +279
   System.Web.Mvc.WebViewPage.ExecutePageHierarchy() +125
   System.Web.WebPages.WebPageBase.ExecutePageHierarchy(WebPageContext pageContext, TextWriter writer, WebPageRenderingBase startPage) +180
   System.Web.Mvc.ViewResultBase.ExecuteResult(ControllerContext context) +377
   System.Web.Mvc.<>c__DisplayClass1a.<InvokeActionResultWithFilters>b__17() +32
   System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilter(IResultFilter filter, ResultExecutingContext preContext, Func`1 continuation) +854940
   System.Web.Mvc.ControllerActionInvoker.InvokeActionResultWithFilters(ControllerContext controllerContext, IList`1 filters, ActionResult actionResult) +265
   System.Web.Mvc.Async.<>c__DisplayClass25.<BeginInvokeAction>b__22(IAsyncResult asyncResult) +839412
   System.Web.Mvc.<>c__DisplayClass1d.<BeginExecuteCore>b__18(IAsyncResult asyncResult) +28
   System.Web.Mvc.Async.<>c__DisplayClass4.<MakeVoidDelegate>b__3(IAsyncResult ar) +15
   System.Web.Mvc.Controller.EndExecuteCore(IAsyncResult asyncResult) +65
   System.Web.Mvc.Async.<>c__DisplayClass4.<MakeVoidDelegate>b__3(IAsyncResult ar) +15
   System.Web.Mvc.Controller.EndExecute(IAsyncResult asyncResult) +51
   System.Web.Mvc.<>c__DisplayClass8.<BeginProcessRequest>b__3(IAsyncResult asyncResult) +42
   System.Web.Mvc.Async.<>c__DisplayClass4.<MakeVoidDelegate>b__3(IAsyncResult ar) +15
   System.Web.Mvc.MvcHandler.EndProcessRequest(IAsyncResult asyncResult) +51
   System.Web.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +606
   System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +288


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.0.30319.18408