private void button1_Click(object sender, EventArgs e)
{
IOFile counter = new IOFile();
string price = Convert.ToString(counter.GetFilmPrice(textBox1.Text));
if (price.Equals("0"))
{
label1.Text = "We do not have " + textBox1.Text + " film";
}
else
{
label1.Text = "We have " + textBox1.Text + " film. Its price = " + price;
}
}
