public void Delete(HuanShu huanShu)
{
JieShu jieShu = db.JieShu.Single(b => b.shuhao == huanShu.shuhao && b.jieshurenxuehao == huanShu.huanshurenxuehao);
db.JieShu.Remove(jieShu);
db.SaveChanges();
}
public void Add(HuanShu huanShu)
{
db.HuanShu.Add(huanShu);
db.SaveChanges();
}
