private void button1_Click(object sender, EventArgs e)
{
var comboBoxes = this.Controls.OfType <ComboBox>().Where(x => x.Name.StartsWith("comboBox")).Reverse();
foreach (var cmbBox in comboBoxes)
{
if (cmbBox.Text != NotSelected)
{
City selected = cities.Find(u => u.name == cmbBox.Text);
connect.AddVendor(textBox1.Text, textBox2.Text, selected.id);
}
}
MessageBox.Show("Eklendi!");
}