private void btnNextStep_Click(object sender, EventArgs e)
{
PaymentTypeForm usePaymentType = new PaymentTypeForm();
usePaymentType.Show();
this.Hide();
}
private void btnPaymentType_Click(object sender, EventArgs e)
{
PaymentTypeForm paymentTypeForm = new PaymentTypeForm();
paymentTypeForm.Owner = this;
paymentTypeForm.Show();
}