MVC5：HttpServerUtility.Execute 在等待异步操作完成时被阻止。
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[已解决问题]
解决于 2016-04-25 21:26
在一个异步主视图渲染一个异步分部视图时提示上述错误，主视图出错位置（行2）：
1 <div class="am-topbar-right"> 2 @Html.Action("_Identity", "Shared") 3 </div>
主视图后台代码：
public async Task<ActionResult> Explore() { ViewBag.LatestClasses = await base.Service.ClassService.GetEntities(); ViewBag.RecommendedClasses = await base.Service.ClassService.SelectWhere(x => x.IsRecommend == true); return View(); }
分部视图后台代码：
1 public async Task<ActionResult> _Identity() 2 { 3 // 获取登录账户的班级 4 if (Session["CurrentAccount"] != null) 5 { 6 Person person = Session["CurrentAccount"] as Person; 7 Relation relation = (await base.Service.RelationService.SelectWhere(x => x.PersonId == person.PersonId)).FirstOrDefault(); 8 if (relation != null) 9 { 10 ViewBag.AccountClass = (await base.Service.ClassService.SelectWhere(x => x.ClassId == relation.ClassId)).FirstOrDefault(); 11 } 12 } 13 return PartialView(); 14 }
最佳答案
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对应的英文错误信息是：
HttpServerUtility.Execute blocked while waiting for an asynchronous operation to complete.
MVC 5不支持分部视图的异步，MVC 6支持。
参考：Async PartialView causes “HttpServerUtility.Execute blocked…” exception
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其他回答(2)
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http://www.cnblogs.com/dunitian/p/5481138.html
