private void listBox1_SelectedIndexChanged(object sender, EventArgs e)
{
Vevo vevo = (Vevo)listBox1.SelectedItem;
var rendelések = from x in context.Rendeles
where x.VevoFK == vevo.VevoSK
orderby x.Rend_datum
select x;
listBox2.DataSource = rendelések.ToList();
}
private void button1_Click(object sender, EventArgs e)
{
Form2 f2 = new Form2();
if (f2.ShowDialog() == DialogResult.OK)
{
Vevo v = new Vevo();
v.Teljes_nev = f2.textBoxNev.Text;
v.Eletkor = int.Parse(f2.textBoxEletkor.Text);
vevoBindingSource.Add(v);
context.SaveChanges();
}
}