通过UserId获取UserName并显示在视图中 [英] Get UserName by UserId and display in View

问题描述

在ASP.NET MVC 5应用程序中，如何从给定的UserId获取Username并将其显示在View中?

In an ASP.NET MVC 5 application how would I go about getting a Username from a given UserId and display it in a View?

注意-我不需要 current User的Username.

推荐答案

根据您的评论，您正在使用ASP.Net Identity.我假设您已经有ApplicationUserManager.例如

Based on your comment, you are using ASP.Net Identity. I assume you already have ApplicationUserManager. For example,

private ApplicationUserManager _userManager;
protected ApplicationUserManager UserManager
{
    get { return _userManager ?? (_userManager = 
     HttpContext.GetOwinContext().GetUserManager<ApplicationUserManager>()); }
}

然后您可以调用 FindById 方法.

var user = UserManager.FindById(id);
string username = user.UserName;

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