private void button1_Click(object sender, EventArgs e)
{
CFromBox.Clear();
CToBox.Clear();
AirFromBox.Clear();
AirToBox.Clear();
DurationBox.Clear();
PriceBox.Clear();
}
private void AddButton_Click(object sender, EventArgs e)
{
using (StreamWriter VacationPass = new StreamWriter("vacation pass.txt", true))
{
VacationPass.WriteLine($"{CFromBox.Text}:{CToBox.Text}:{AirFromBox.Text}:{AirToBox.Text}:{DurationBox.Text}:{PriceBox.Text}");
CFromBox.Clear();
CToBox.Clear();
AirFromBox.Clear();
AirToBox.Clear();
DurationBox.Clear();
PriceBox.Clear();
}
}