public bool UpdateUserInfo(int id, string username, string email) { if ( id == 0 || string.IsNullOrEmpty(username) || string.IsNullOrEmpty(email)) { return(false); } if (_userQueries.DoesUserNameExist(id, username)) { return(false); } if (_userQueries.DoesEmailExist(id, email)) { return(false); } _userCommands.UpdateUserInfo(id, username, email); return(true); }