public void sua_quyen(LOAIQUYEN mb)
{
LOAIQUYEN x = layOnequyen(mb.idQuyen);
x.TenQuyen = mb.TenQuyen;
db.SaveChanges();
}
public void xoa_quyen(string id)
{
LOAIQUYEN x = layOnequyen(id);
db.LOAIQUYENs.Remove(x);
db.SaveChanges();
}
public void them_quyen(LOAIQUYEN q)
{
string idq = Content.RandomString(8);
q.idQuyen = idq;
db.LOAIQUYENs.Add(q);
db.SaveChanges();
}