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System.NullReferenceException: 未将对象引用设置到对象的实例。 在 ASP._Page_Areas_Exhibition_Views_Home_Detail_cshtml.Execute() 位置 D:\ZhankooArchitecture\Zhankoo.Exhibition.UI\Areas\Exhibition\Views\Home\Detail.cshtml:行号 253 在 System.Web.WebPages.WebPageBase.ExecutePageHierarchy() 在 System.Web.Mvc.WebViewPage.ExecutePageHierarchy() 在 System.Web.WebPages.WebPageBase.ExecutePageHierarchy(WebPageContext pageContext, TextWriter writer, WebPageRenderingBase startPage) 在 System.Web.Mvc.ViewResultBase.ExecuteResult(ControllerContext context) 在 System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilterRecursive(IList`1 filters, Int32 filterIndex, ResultExecutingContext preContext, ControllerContext controllerContext, ActionResult actionResult) 在 System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilterRecursive(IList`1 filters, Int32 filterIndex, ResultExecutingContext preContext, ControllerContext controllerContext, ActionResult actionResult) 在 System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilterRecursive(IList`1 filters, Int32 filterIndex, ResultExecutingContext preContext, ControllerContext controllerContext, ActionResult actionResult) 在 System.Web.Mvc.ControllerActionInvoker.InvokeActionResultWithFilters(ControllerContext controllerContext, IList`1 filters, ActionResult actionResult) 在 System.Web.Mvc.Async.AsyncControllerActionInvoker.<>c__DisplayClass21.<BeginInvokeAction>b__1e(IAsyncResult asyncResult)