void ChiTietClient_ChiTietPhieuNhapKho_GetItemCompleted(object sender, ChiTietPhieuNhapKho_GetItemCompletedEventArgs e)
 {
     ChiTietPhieuNhapKhoInfo ChiTiet = e.Result;
     DichVuClient.DichVu_Edit_SLAsync(ChiTiet.DichVuID, 0 - ChiTiet.SoLuong);
 }
 void ChiTietClient_ChiTietPhieuNhapKho_GetItemCompleted(object sender, ChiTietPhieuNhapKho_GetItemCompletedEventArgs e)
 {
     ChiTietPhieuNhapKhoInfo ChiTiet = e.Result;
     dichvuid = ChiTiet.DichVuID;
     cbxDichVu.SelectedValue = ChiTiet.DichVuID;
     sl = ChiTiet.SoLuong;
     txtSoLuong.Text = ChiTiet.SoLuong.ToString();
     txtDonGia.Text = Format_NumberVietnamese(ChiTiet.DonGia.ToString());
     txtTongTien.Text = Format_NumberVietnamese(ChiTiet.TongTien.ToString());
 }