public ActionResult DeleteRoleForUser(string userName, string roleName)
{
List<string> userRoles;
List<string> roles;
List<string> users;
using (var context = new ApplicationDbContext())
{
var roleStore = new RoleStore<IdentityRole>(context);
var roleManager = new RoleManager<IdentityRole>(roleStore);
roles = (from r in roleManager.Roles select r.Name).ToList();
var userStore = new UserStore<ApplicationUser>(context);
var userManager = new UserManager<ApplicationUser>(userStore);
users = (from u in userManager.Users select u.UserName).ToList();
var user = userManager.FindByName(userName);
if (user == null)
throw new Exception("User not found!");
if (userManager.IsInRole(user.Id, roleName))
{
userManager.RemoveFromRole(user.Id, roleName);
context.SaveChanges();
ViewBag.ResultMessage = "Role removed from this user successfully !";
}
else
{
ViewBag.ResultMessage = "This user doesn't belong to selected role.";
}
var userRoleIds = (from r in user.Roles select r.RoleId);
userRoles = (from id in userRoleIds
let r = roleManager.FindById(id)
select r.Name).ToList();
}
ViewBag.RolesForThisUser = userRoles;
ViewBag.Roles = new SelectList(roles);
ViewBag.Users = new SelectList(users);
return View("RoleAddToUser");
}
public ActionResult DeleteRoleForUser(string userName = null, string roleName = null)
{
if ((!string.IsNullOrWhiteSpace(userName)) || (!string.IsNullOrWhiteSpace(roleName)))
{
List<string> userRoles;
using (var context = new ApplicationDbContext())
{
var roleStore = new RoleStore<IdentityRole>(context);
var roleManager = new RoleManager<IdentityRole>(roleStore);
var userStore = new UserStore<ApplicationUser>(context);
var userManager = new UserManager<ApplicationUser>(userStore);
var user = userManager.FindByName(userName);
if (user == null)
{
throw new Exception("User not found!");
}
if (userManager.IsInRole(user.Id, roleName))
{
userManager.RemoveFromRole(user.Id, roleName);
context.SaveChanges();
}
var userRoleIds = (from r in user.Roles select r.RoleId);
userRoles = (from id in userRoleIds
let r = roleManager.FindById(id)
select r.Name).ToList();
}
ViewBag.UserName = userName;
ViewBag.RolesForUser = userRoles;
return View("ViewUserRoles");
}
else
{
return View("Index");
}
}