private void btnxoa_Click(object sender, EventArgs e)
{
foreach (ListViewItem listView in lvKhoa.SelectedItems)
{
id = Int32.Parse(listView.SubItems[2].Text);//lay id sv
}
QLEntities db = new QLEntities();
Table_TTSV sv = db.Table_TTSV.Where(p => p.masv == id).SingleOrDefault();
db.Table_TTSV.Remove(sv);
db.SaveChanges();
loadlist();
}
private void btnthem_Click(object sender, EventArgs e)
{
foreach (ListViewItem listView in lvshowTT.SelectedItems)
{
mk = Int32.Parse(listView.SubItems[0].Text);//lay id sv
}
QLEntities db = new QLEntities();
Table_TTSV sv = new Table_TTSV();
sv.tensv = txtTen.Text;
sv.diachi = txtDiaChi.Text;
sv.makhoa = mk;
db.Table_TTSV.Add(sv);
db.SaveChanges();
loadkhoa();
loadlist();
}