public void loaddulieuchitiethoadondichvu()
{
dgvCTHDDV.Rows.Clear();
foreach (CHITIETHOADON cthd in dsCTHDDV)
{
dgvCTHDDV.Rows.Add(cthd.getMahd(), DICHVUDAO.TenDV(QuanLyDichVu.dsDV, cthd.getMasp()), cthd.getSoluong(), cthd.thanhtien(DICHVUDAO.GiaMaDV(QuanLyDichVu.dsDV, cthd.getMasp())));
}
}
private void cbboxMaHD_SelectedIndexChanged(object sender, EventArgs e)
{
dgvCTHDDV.Rows.Clear();
dgvCTHDDV.Enabled = true;
btnThemCTHD.Enabled = true;
btnIn.Enabled = true;
List <CHITIETHOADON> ds = CHITIETHOADONDVDAO.dsCTHDDVTheoMaHD(dsCTHDDV, cbboxMaHD.SelectedItem.ToString().Trim());
foreach (CHITIETHOADON cthd in ds)
{
dgvCTHDDV.Rows.Add(cthd.getMahd(), DICHVUDAO.TenDV(QuanLyDichVu.dsDV, cthd.getMasp()), cthd.getSoluong(), cthd.thanhtien(DICHVUDAO.GiaMaDV(QuanLyDichVu.dsDV, cthd.getMasp())));
}
txtTongTien.Text = "" + tongtien();
}
private void btnIn_Click(object sender, EventArgs e)
{
List <CHITIETHOADON> ds = CHITIETHOADONDVDAO.dsCTHDDVTheoMaHD(dsCTHDDV, cbboxMaHD.SelectedItem.ToString().Trim());
string line4 = "";
string mahd = "";
foreach (CHITIETHOADON sp in ds)
{
int lengthten = DICHVUDAO.TenDV(QuanLyDichVu.dsDV, sp.getMasp()).Length;
int lengthsoluong = sp.getSoluong().ToString().Length;
int length = 20 - lengthten;
int length2 = 16 - lengthsoluong;
string khoangcach = "";
string khoangcach2 = "";
for (int i = 0; i < length; i++)
{
khoangcach += " ";
}
for (int i = 0; i < length2; i++)
{
khoangcach2 += " ";
}
mahd = sp.getMahd();
line4 += DICHVUDAO.TenDV(QuanLyDichVu.dsDV, sp.getMasp()) + khoangcach + sp.getSoluong() + khoangcach2 + sp.thanhtien(SANPHAMDAO.GiaMaSP(QuanLyHangHoa.dsSP, sp.getMasp())) + "\n";
}
string[] lines = { " Hóa Đơn\n", "Tên khách hàng: " + HOADONDVDAO.TenKhachHang(dsHDDV, mahd) + "\n", "Mã hóa đơn: " + mahd + "\n", "Tên Sản Phẩm Số lượng Thành tiền", line4, "Tổng tiền: " + txtTongTien.Text };
// WriteAllText creates a file, writes the specified string to the file,
// and then closes the file. You do NOT need to call Flush() or Close().
System.IO.File.WriteAllLines(@"C:\DevPrograms\DoAnCongNghePhanMem (2)\Phan tich thiet ke HTTT\Phan tich thiet ke HTTT\BanIn\In.txt", lines);
ProcessStartInfo startInfo = new ProcessStartInfo();
startInfo.FileName = @"C:\DevPrograms\DoAnCongNghePhanMem (2)\Phan tich thiet ke HTTT\Phan tich thiet ke HTTT\BanIn\In.txt"; // Your absolute PATH
Process.Start(startInfo);
}