[RuntimeBinderException: 无法对 null 引用执行运行时绑定]
CallSite.Target(Closure , CallSite , Object ) +115
System.Dynamic.UpdateDelegates.UpdateAndExecute1(CallSite site, T0 arg0) +252
CallSite.Target(Closure , CallSite , Object ) +270
ProjectSolutions.ECommerce.BusinessLogic.ProjectUtils.GetApiResult(String api, String postData, T& result) +693
ProjectSolutions.ECommerce.BusinessLogic.ProjectUtils.GetPositionSingleADFromApi(Int32 tPositionID) +171
ProjectSolutions.ECommerce.Web.YellowPage_New.CompanyList.GetADs() +196
ProjectSolutions.ECommerce.Web.YellowPage_New.CompanyList.<Page_Load>b__40_2() +30
System.Threading.Tasks.Task.InnerInvoke() +39
System.Threading.Tasks.Task.Execute() +47
[AggregateException: 发生一个或多个错误。]
System.Threading.Tasks.Task.WaitAll(Task[] tasks, Int32 millisecondsTimeout, CancellationToken cancellationToken) +1090
System.Threading.Tasks.Task.WaitAll(Task[] tasks, Int32 millisecondsTimeout) +39
System.Threading.Tasks.Task.WaitAll(Task[] tasks) +18
ProjectSolutions.ECommerce.Web.YellowPage_New.CompanyList.Page_Load(Object sender, EventArgs e) +867
System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +51
System.Web.UI.Control.OnLoad(EventArgs e) +95
ProjectSolutions.ECommerce.Web.BasePage.OnLoad(EventArgs e) +89
System.Web.UI.Control.LoadRecursive() +59
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +678
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