static void Delete() { StudentBusinessLayer ss = new StudentBusinessLayer(); Console.Write("请输入id"); int id = int.Parse(Console.ReadLine()); Class cals = ss.Query(id); ss.Delete(cals); }
static void QueryBlog() { StudentBusinessLayer st = new StudentBusinessLayer(); var classs = st.Query(); foreach (var itme in classs) { Console.WriteLine(itme.Classid + "" + itme.ClassName); } }
static void Update() { Console.WriteLine("请输入id"); int id = int.Parse(Console.ReadLine()); StudentBusinessLayer ss = new StudentBusinessLayer(); Class clas = ss.Query(id); Console.WriteLine("请输入新名"); string name = Console.ReadLine(); clas.ClassName = name; ss.Update(clas); }