public static string Update(string oldId, string text1, string text2, string text3, string text4) { if (oldId[0] == '1') { Hero hero = new Hero(text1, text2, text3); return(Convert.ToString(HeroDAL.UpdateHero(oldId, hero))); } else if (oldId[0] == '3') { Skill skill = new Skill(text1, text2, text3, text4); return(Convert.ToString(SkillDAL.UpdateSkill(oldId, skill))); } else if (oldId[0] == '4') { Map map = new Map(text1, text2, text3); return(Convert.ToString(MapDAL.UpdateMap(oldId, map))); } else { return("false"); } }