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);
}
}dotnet core 3.1 get the user that just logged in
private Task<ApplicationUser> GetCurrentUserAsync() => _userManager.GetUserAsync(HttpContext.User);Copyright © 2021 Codeinu
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