public string MaTuDong()
{
string kq = "";
if (ncc.getMANCCLast() == "")
{
kq = "NCC0001";
}
else
{
int so = int.Parse(ncc.getMANCCLast().Remove(0, 3));
so = so + 1;
if (so < 10)
{
kq = "NCC" + "000";
}
else if (so < 100)
{
kq = "NCC" + "00";
}
else if (so < 1000)
{
kq = "NCC" + "0";
}
kq = kq + so.ToString();
}
return(kq);
}