private void btnBill_Mng_Click(object sender, EventArgs e)
{
UCQLHoaDon ucBill = new UCQLHoaDon();
if (getFlagUserControl(FLAG_BILL) == USER_ON)
{
frmChinh.Activate();
return;
}
FLAG_BILL = USER_ON;
LoadUser(ucBill);
}
private void pictureBox2_Click(object sender, EventArgs e)
{
UCQLHoaDon uccthd = new UCQLHoaDon();
LoadUser(uccthd);
}