private void TextBoxes_TextChanged(object sender, EventArgs e)
{
TextBox tb;
if (sender is TextBox)
{
tb = (TextBox)sender;
if (tb == txtSoLuong)
{
//xử lý khi user xóa hết
if (string.IsNullOrEmpty(txtSoLuong.Text))
{
this.SoLuong = 0;
}
lblThanhTien.Text = string.Format("{0:0,0.00}đ", epKimPres.ThanhTien_ThPh());
lblGiaTB.Text = string.Format("{0:0,0.00}đ", epKimPres.GiaTB_ThPh());
}
}
}
private void CapNhatLabelGia()
{
lblThanhTien.Text = string.Format("{0:0,0.00}đ", epKimPres.ThanhTien_ThPh());
lblGiaTB.Text = string.Format("{0:0,0.00}đ/{1}", epKimPres.GiaTB_ThPh(), this.DonViTinh);
}