public bool UpdateRole(RoleClass role)
        {
            try
            {
                LCDBEntities model = new LCDBEntities();
                if (!model.Roles.Any(i => i.Name.Equals(role.Name)))
                {
                    throw new Exception("This role not found...");
                }

                Role r = model.Roles.Where(i => i.Name.Equals(role.Name)).First();
                r.Name        = role.Name;
                r.Description = role.Description;
                model.SaveChanges();

                return(true);
            }
            catch (Exception ex)
            {
                return(false);
            }
        }
        public bool AddRole(RoleClass role)
        {
            try
            {
                LCDBEntities model = new LCDBEntities();
                if (model.Roles.Any(i => i.Name.Equals(role.Name)))
                {
                    throw new Exception("This Role already exists...");
                }

                Role r = new Role();
                r.Name        = role.Name;
                r.Description = role.Description;
                model.Roles.Add(r);
                model.SaveChanges();

                return(true);
            }
            catch (Exception ex)
            {
                return(false);
            }
        }