private void cmb_ıl_SelectedIndexChanged_1(object sender, EventArgs e)
{
musteriOperation.Get_il(cmb_ıl.Text).ForEach(I => cmb_musteriAdi.Items.Add(I.MusteriAdı));
foreach (Musteri item in musteriOperation.Get_il(cmb_ıl.Text))
{
if (!cmb_musteriAdi.Items.Contains(item.MusteriAdı))
{
cmb_musteriAdi.Items.Add(item.MusteriAdı);
}
}
}
private void txt_ıl_SelectedIndexChanged(object sender, EventArgs e)
{
try
{
var deger = (musteriOperation.Get_il(txt_ıl.Text).Max(I => I.MusteriNo));
txt_musteriNo.Text = (int.Parse(deger) + 1).ToString();
}
catch (Exception)
{
txt_musteriNo.Text = "0";
}
}
