// Btn giảm theo phần trăm, gọi form Discount_Percent
private void btnDISCOUNT_PERCENT_Click(object sender, EventArgs e)
{
FrmDiscount_Percent FRM = new FrmDiscount_Percent();
FRM.d += new FrmDiscount_Percent.myDEL(setDiscountPercent);
FRM.Show();
}
// Btn giảm theo phần trăm, gọi form Discount_Percent
private void btnDiscountPercent_Click(object sender, EventArgs e)
{
FrmDiscount_Percent frmDiscountPercent = new FrmDiscount_Percent(discountPercent);
frmDiscountPercent.d += new FrmDiscount_Percent.myDEL(setDiscountPercent);
frmDiscountPercent.Show();
}
