private void btnCheck_Click(object sender, EventArgs e)
{
activeCustomer = GetData.GetCustomer(txtPhone.Text);
if (activeCustomer == null)
{
MessageBox.Show("Could not find a customer with that phone number!\nPlease insert first/lastname.");
txtFirst.Enabled = true;
txtLast.Enabled = true;
txtPhone.Enabled = false;
btnCheck.Enabled = false;
txtFirst.Text = "";
txtLast.Text = "";
}
else
{
txtPhone.Enabled = false;
btnCheck.Enabled = false;
txtFirst.Text = activeCustomer.FirstName;
txtLast.Text = activeCustomer.LastName;
btnSubmit.Enabled = false;
BtnCheckout.Enabled = true;
}
}