[英]Get Authenticated Identity User data in ASP.NET MVC
I Have created an ASP.NET Identity Entity Framework, and added a customer fields for Registration and Login funtions in ASP.NET Identity - MVC我创建了一个 ASP.NET Identity 实体框架,并在 ASP.NET Identity - MVC 中为注册和登录功能添加了一个客户字段
identityModel.cs身份模型.cs
public class ApplicationUser : IdentityUser
{
public async Task<ClaimsIdentity> GenerateUserIdentityAsync(UserManager<ApplicationUser> manager)
{
// Note the authenticationType must match the one defined in CookieAuthenticationOptions.AuthenticationType
var userIdentity = await manager.CreateIdentityAsync(this, DefaultAuthenticationTypes.ApplicationCookie);
// Add custom user claims here
return userIdentity;
}
//add custom fields
public string FirstName { get; set; }
public string LastName { get; set; }
public bool IsAdministrator { get; set; }
}
public class ApplicationDbContext : IdentityDbContext<ApplicationUser>
{
public ApplicationDbContext()
: base("DefaultConnection", throwIfV1Schema: false)
{
}
public DbSet<Property> Property { get; set; }
public static ApplicationDbContext Create()
{
return new ApplicationDbContext();
}
}
In another class called Property (after login and authentication passed)在另一个名为 Property 的类中(登录和身份验证通过后)
I want to call on the one field in AspNetUsers table, which is the currently logged in. I want to check the IsAdministrator field and its values and do some conditions on what to view based on that value.我想调用 AspNetUsers 表中的一个字段,它是当前登录的字段。我想检查 IsAdministrator 字段及其值,并根据该值对要查看的内容做一些条件。
this is what I have done, but not successful这是我所做的,但没有成功
public class PropertyController : Controller
{
private ApplicationDbContext db = new ApplicationDbContext();
// GET: Property
[Authorize]
public async Task<ActionResult> Index()
{
var user = System.Web.HttpContext.Current.User.Identity.GetUserId();
bool admin = db.Users.SingleOrDefault(y => y.Id.Equals("user")).IsAdministrator;
//return View(await db.Property.ToListAsync());
if (admin == true){
return View(await db.Property.Where(x => x.PropertyID == 1).ToListAsync()); }
else {
return View(await db.Property.ToListAsync());}
}
I was able to extract the UserID of the currently logged-in user, but i want the another field or information from the user which is the IsAdmin field which is either 1 OR 0.我能够提取当前登录用户的用户 ID,但我想要来自用户的另一个字段或信息,即 IsAdmin 字段,它要么是 1 要么是 0。
How can i achieve that?我怎样才能做到这一点?
this does not work这不起作用
bool admin = db.Users.SingleOrDefault(y => y.Id.Equals("user")).IsAdministrator;
The expression SingleOrDefault(y => y.Id.Equals("user"))
does not make any sense.表达式
SingleOrDefault(y => y.Id.Equals("user"))
没有任何意义。 It's going to search database a user with Id = "user"
and finds nothing.它将在数据库中搜索
Id = "user"
,但一无所获。 That's why it returns null which causes the NullReferenceException
.这就是它返回 null 导致
NullReferenceException
原因。
Try to use the following snippet尝试使用以下代码段
...
var userId = System.Web.HttpContext.Current.User.Identity.GetUserName();
var user = UserManager.FindByNameAsync(userId);
var isAdmin = user.IsAdministrator;
...
to get user获取用户
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