private void label4_TextChanged(object sender, EventArgs e)
{
if (Convert.ToInt32(label4.Text) == -1)
{
label5.Visible = false;
label6.Visible = false;
label13.Visible = false;
label14.Visible = false;
}
else
{
label5.Visible = true;
label6.Visible = true;
label13.Visible = true;
label14.Visible = true;
Automobil auto = new Automobil();
int pogonMotor = Convert.ToInt32(label4.Text);
DataTable dr = auto.DohvatiPogonMotor(pogonMotor);
label5.Text = dr.Rows[0].Field <string>(0);
label6.Text = dr.Rows[0].Field <string>(1);
}
}