Error.

ErrorMessage:Object reference not set to an instance of an object.

ErrorStackTrace: at AppProject.UILibrary.Areas.Platform.Controllers.ProductController.ReadData() in M:\WebSites\aspnet\S_SaaS项目管理平台\SaaSProjects\StandardIndustryPortalProject\Projects\CoreLibrary\AppProject.UILibrary\Areas\Platform\Controllers\ProductController.cs:line 30 at AppProject.UILibrary.Areas.Platform.Controllers.ProductController.Show(Int32 id) in M:\WebSites\aspnet\S_SaaS项目管理平台\SaaSProjects\StandardIndustryPortalProject\Projects\CoreLibrary\AppProject.UILibrary\Areas\Platform\Controllers\ProductController.cs:line 124

ErrorSource:AppProject.UILibrary