.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 vote177 views1 answer
Largest prime factor
C#
3 votes183 views4 answers
How to make infinite loop in c#
C#
2 votes222 views6 answers
C# capitalize first letter
C#
0 vote121 views1 answer
Check if number is in range c#
C#
0 vote170 views1 answer
How to store user input into list c#
C#
0 vote128 views1 answer
ActionExecutingContext result response return objects
C#
0 vote232 views1 answer
Find qual values in a dictionary c#
C#
1 vote178 views1 answer
How to search for a string from readline in c#
C#
2 votes178 views1 answer
C# winform remove button border
C#
0 vote173 views1 answer
.net core copy file in folder to root
C#