// Users: public static int RegisterUser(string username, string password, string email, int countryIndex) { int flag = 0; UserDB userDB = new UserDB(); CountryDB countryDB = new CountryDB(); string countryName = countryDB.SelectById(countryIndex).Name; User newUser = new User(); newUser.Username = username; newUser.Password = password; newUser.Email = email; newUser.CountryName = countryName; bool s = userDB.InsertUser(newUser); if (s) { flag = 1; } else { flag = 0; } return(flag); }