Get list of users with assigned roles in asp.net identity 2.0

Question

I have a drop down list box which lists roles. I want to get the list of users having that role. I mean list of users that are in \"Administrator\" role or \"CanEdit\" role.

Answer 1

I find the role by the role name input. After, I find list users by id of the role.

public List<ApplicationUser> GetUsersInRole(string roleName)
{
 var roleManager = 
  new RoleManager<IdentityRole>(new RoleStore<IdentityRole>(new  ApplicationDbContext()));
 var role = roleManager.FindByName(roleName).Users.First();
 var usersInRole = 
  Users.Where(u => u.Roles.Select(r => r.RoleId).Contains(role.RoleId)).ToList();
 return usersInRole;
}

Answer 2

Remove the .Email and add UserName or whatever was added to the ASPNetUsers for name.

private void AddAddminToMail(MailMessage message)
{
    var roles = db.Roles.Include(m => m.Users).Where(m => m.Name == "Admin").First();
    foreach (var user in roles.Users)
        {
            var id = user.UserId;
            var userEmail = db.Users.Find(id).Email;
            message.To.Add(userEmail);
        }      
}