DRMFSS.BLL.Role.AddUserToRole C# (CSharp) Method

        public void AddUserToRole(int roleId, string userName)
        {
            BLL.CTSContext entities = new CTSContext();
            UserProfile user = entities.UserProfiles.Where(p => p.UserName == userName).FirstOrDefault();
            if (user != null)
            {
                UserRole role = new UserRole();
                role.RoleID = roleId;
                role.UserProfileID = user.UserProfileID;
                entities.UserRoles.Add(role);
                entities.SaveChanges();
            }
        }