private void frmKhachHang_Load(object sender, EventArgs e)
{
TaiKhoan tk = TaiKhoanDAL.layTaiKhoan(this.Text);
txbGiaDV.Text = DichVuDAL.layGiaDV().ToString() + " đồng/h";
TimeSpan tongTG = LayTimeSpan(tk.TongTG.Value);
TimeSpan tgConLai = LayTimeSpan(tk.TGconLai.Value);
txbTGconLai.Text = XuLyDAL.chuyenTimeSpanVeString(tgConLai);
txbTGsuDung.Text = "00:00:00";
txbTongTG.Text = XuLyDAL.chuyenTimeSpanVeString(tongTG);
}
private void timerBamGio_Tick(object sender, EventArgs e)
{
TimeSpan timetick = DateTime.Now - timeStart;
if (tf == 0)
{
khh = LayTimeSpan(TaiKhoanDAL.layTaiKhoan(this.Text).TGconLai.Value);
}
tf = 1;
TimeSpan tmp = new TimeSpan(0, 0, 1);
khh -= tmp;
txbTGsuDung.Text = XuLyDAL.chuyenTimeSpanVeString(timetick);
txbTGconLai.Text = XuLyDAL.chuyenTimeSpanVeString(khh);
}