public string Update(ApplicationUser entity) { try { ApplicationUser user = _OepDbContext.Users.Where(i => i.UserName == entity.UserName).FirstOrDefault(); user.Name = entity.Name; user.Email = entity.Email; user.UserName = entity.UserName; user.PhoneNumber = entity.PhoneNumber; int r = _OepDbContext.SaveChanges(); if (r > 0) { return("Success"); } else { return("Error"); } } catch (Exception ex) { throw; } }