[IndexOutOfRangeException: 在位置 0 处没有任何行。]
System.Data.RBTree`1.GetNodeByIndex(Int32 userIndex) +2140448
System.Data.DataRowCollection.get_Item(Int32 index) +22
EFWebCenterExhibitor.Controllers.WebShowController.ProductInfo() in D:\OnlineProgram\NotBind\2020中国国际模具技术和设备展览会\展商\ADMC\EFWebCenterExhibitor\Controllers\WebShowController.cs:446
lambda_method(Closure , ControllerBase , Object[] ) +62
System.Web.Mvc.ActionMethodDispatcher.Execute(ControllerBase controller, Object[] parameters) +14
System.Web.Mvc.ReflectedActionDescriptor.Execute(ControllerContext controllerContext, IDictionary`2 parameters) +182
System.Web.Mvc.ControllerActionInvoker.InvokeActionMethod(ControllerContext controllerContext, ActionDescriptor actionDescriptor, IDictionary`2 parameters) +27
System.Web.Mvc.<>c__DisplayClassd.<InvokeActionMethodWithFilters>b__a() +56
System.Web.Mvc.ControllerActionInvoker.InvokeActionMethodFilter(IActionFilter filter, ActionExecutingContext preContext, Func`1 continuation) +256
System.Web.Mvc.<>c__DisplayClassf.<InvokeActionMethodWithFilters>b__c() +22
System.Web.Mvc.ControllerActionInvoker.InvokeActionMethodWithFilters(ControllerContext controllerContext, IList`1 filters, ActionDescriptor actionDescriptor, IDictionary`2 parameters) +190
System.Web.Mvc.ControllerActionInvoker.InvokeAction(ControllerContext controllerContext, String actionName) +311
System.Web.Mvc.Controller.ExecuteCore() +105
System.Web.Mvc.ControllerBase.Execute(RequestContext requestContext) +42
System.Web.Mvc.ControllerBase.System.Web.Mvc.IController.Execute(RequestContext requestContext) +10
System.Web.Mvc.<>c__DisplayClass8.<BeginProcessRequest>b__4() +31
System.Web.Mvc.Async.<>c__DisplayClass1.<MakeVoidDelegate>b__0() +16
System.Web.Mvc.Async.<>c__DisplayClass8`1.<BeginSynchronous>b__7(IAsyncResult _) +10
System.Web.Mvc.Async.WrappedAsyncResult`1.End() +50
System.Web.Mvc.MvcHandler.EndProcessRequest(IAsyncResult asyncResult) +28
System.Web.Mvc.MvcHandler.System.Web.IHttpAsyncHandler.EndProcessRequest(IAsyncResult result) +9
System.Web.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +9850425
System.Web.HttpApplication.ExecuteStepImpl(IExecutionStep step) +50
System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +163
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