.net core identity get user id

Asp.net core identity get user id

 public async Task<IActionResult> YourMethodName()
    {
        var userId =  User.FindFirstValue(ClaimTypes.NameIdentifier) // will give the user's userId
        var userName =  User.FindFirstValue(ClaimTypes.Name) // will give the user's userName

        ApplicationUser applicationUser = await _userManager.GetUserAsync(User);
        string userEmail = applicationUser?.Email; // will give the user's Email
    }

.net core identity get user id

public static class ClaimsPrincipalExtensions
{
    public static T GetLoggedInUserId<T>(this ClaimsPrincipal principal)
    {
        if (principal == null)
            throw new ArgumentNullException(nameof(principal));

        var loggedInUserId = principal.FindFirstValue(ClaimTypes.NameIdentifier);

        if (typeof(T) == typeof(string))
        {
            return (T)Convert.ChangeType(loggedInUserId, typeof(T));
        }
        else if (typeof(T) == typeof(int) || typeof(T) == typeof(long))
        {
            return loggedInUserId != null ? (T)Convert.ChangeType(loggedInUserId, typeof(T)) : (T)Convert.ChangeType(0, typeof(T));
        }
        else
        {
            throw new Exception("Invalid type provided");
        }
    }

    public static string GetLoggedInUserName(this ClaimsPrincipal principal)
    {
        if (principal == null)
            throw new ArgumentNullException(nameof(principal));

        return principal.FindFirstValue(ClaimTypes.Name);
    }

    public static string GetLoggedInUserEmail(this ClaimsPrincipal principal)
    {
        if (principal == null)
            throw new ArgumentNullException(nameof(principal));

        return principal.FindFirstValue(ClaimTypes.Email);
    }
}

Source: stackoverflow.com

Similar codes

0 vote113 views1 answer
Could not load file or assembly 'Ubiety.Dns.Core, Version=2.2.1.0
C#
0 vote62 views1 answer
Aps.net core mvc chek box
C#
0 vote126 views1 answer
How to make dobuble jump unity 2d
C#Unity
1 vote98 views1 answer
Cannot implicitly convert type 'int' to 'System.Threading.Tasks.Task<int>'
C#
0 vote98 views1 answer
C# convert date to oracle format
C#
2 votes83 views1 answer
But dotnet-ef does not exist.
C#
1 vote91 views3 answers
Get key in dictionary c#
C#
0 vote95 views1 answer
How can find github issue closed date
C#
19 votes88 views6 answers
Bootstrap popup
C#
0 vote107 views1 answer
JavaScriptSerializer() and convert to base64
C#