... CurrentPageDiaBan=Trim(Request("DiaBan"))Ho=Trim(Request("Ho"))Ten=Trim(Request("Ten"))DiaChi=Trim(Request("DiaChi"))DienThoai=Trim(Request("DienThoai"))Query="Select ... SoDienThoai<>"" and MaVung<>"" and Ho<>"" and Ten<>"" and DiaChi<>"" thenQuery="INSERT INTO SoDanhBa(SoDienThoai,Ho,Ten,DiaChi,MaVung) ... SoDienThoai<>"" and MaVung<>"" and Ho<>"" and Ten<>"" and DiaChi<>"" thenQuery="Update SoDanhBa Set SoDienThoai='"+SoDienThoai+"',Ho='"+Ho+...