protected void SignUpButton_Click(object sender, EventArgs e)
{
if (PrivateRadio.Checked == true)
{
mycarshop.AddCustomerToList(new PrivateCustomer(NameBox.Text, Convert.ToInt32(PhoneNumberBox.Text), "Private"));
}
else if (BusinessRadio.Checked == true)
{
mycarshop.AddCustomerToList(new BusinessCustomer(NameBox.Text, Convert.ToInt32(PhoneNumberBox.Text), "Business"));
}
}