public string getMaKHLast()
{
string sql = "select top 1 * from KhachHang order by MaKH DESC";
return(ConnectionDB.GetIDLast(sql));
}
public string getMaNCCLast()
{
string sql = "select top 1 * from NCC order by MaNCC DESC";
return(ConnectionDB.GetIDLast(sql));
}
public string getLastMaKV()
{
string sql = "select top 1 * from KHUVUC order by MaKV DESC";
return(ConnectionDB.GetIDLast(sql));
}
