Remember me in .net core.

Question

I have code Login with remember me code.it's me code login is run but remember me not run .Please check this code.

[HttpPost]
[AllowAnonymous]
public async Task<ActionResult> Login(UserLoginViewModel model)
{
try
{
if (ModelState.IsValid)
{
var userdetails = await _context.UserMaster
.SingleOrDefaultAsync(m => m.Email == model.Email && m.Password == model.Password);
if (userdetails == null)
{
ModelState.AddModelError("", "Invalid login attempt.");
return View("Login");
}
if (userdetails != null)
{
if (userdetails.UserRoleId == 1)
{
var userClaims = new List<Claim>()
{
new Claim(ClaimTypes.Name,userdetails.Password),
new Claim(ClaimTypes.Email, userdetails.Email),
};
var grandmaIdentity = new ClaimsIdentity(userClaims, "UserIdentity");
var userPrincipal = new ClaimsPrincipal(new[] { grandmaIdentity });
await HttpContext.SignInAsync(userPrincipal,
new AuthenticationProperties
{
IsPersistent = model.RememberMe,
ExpiresUtc = DateTime.Now.AddHours(1)
});
HttpContext.Session.SetString("AdminName", userdetails.FullName);
HttpContext.Session.SetString("AdminImage", userdetails.AdminImage);
string a = HttpContext.Session.GetString("AdminName");
string b = HttpContext.Session.GetString("AdminImage");
}
}
}
else
{
ModelState.AddModelError(string.Empty, "The user name or password is incorrect");
return View();
}
return RedirectToAction("Dashboard", "Dashboard");
}
catch (Exception ex)
{
ViewBag.message = "Internal Server Error";
var message = ex.InnerException.Message;
throw;
}
}
[HttpPost]
public IActionResult Logout()
{
HttpContext.SignOutAsync(
CookieAuthenticationDefaults.AuthenticationScheme);
return RedirectToAction("Login", "Login");
}
}