public CapNhatDichVu(int maPhong)
{
InitializeComponent();
MaPhong = maPhong;
txtPhong.Text = maPhong.ToString();
dgDanhSach.ItemsSource = DichVuDAO.LoadConSuDung().DefaultView;
dtGioHang.Columns.Add("MaDV", typeof(int));
dtGioHang.Columns.Add("TenDV", typeof(string));
dtGioHang.Columns.Add("DonGia", typeof(float));
dtGioHang.Columns.Add("SoLuong", typeof(int));
dtGioHang.Columns.Add("ThanhTien", typeof(float));
DataTable table = ChiTietDichVuDAO.LoadByMaPhong(maPhong);
DataRow rowOfGioHang;
for (int i = 0; i < table.Rows.Count; i++)
{
int maDv = table.Rows[i].Field <int>(0);
DichVu dv = DichVuDAO.LoadOne(maDv);
rowOfGioHang = dtGioHang.NewRow();
rowOfGioHang["MaDV"] = maDv;
rowOfGioHang["TenDV"] = dv.TenDV;
rowOfGioHang["DonGia"] = dv.DonGia;
rowOfGioHang["SoLuong"] = table.Rows[i].Field <int>(1);
rowOfGioHang["ThanhTien"] = dv.DonGia * table.Rows[i].Field <int>(1);
dtGioHang.Rows.Add(rowOfGioHang);
}
dgGioHang.ItemsSource = dtGioHang.DefaultView;
txtTongTien.Text = TinhTongTien();
}
DataTable LoadDsDichVu()
{
DataTable dtGioHang = new DataTable();
dtGioHang.Columns.Add("MaDV", typeof(int));
dtGioHang.Columns.Add("TenDV", typeof(string));
dtGioHang.Columns.Add("DonGia", typeof(float));
dtGioHang.Columns.Add("SoLuong", typeof(int));
dtGioHang.Columns.Add("ThanhTien", typeof(float));
DataTable table = ChiTietDichVuDAO.LoadByMaPhong(MaPhong);
DataRow rowOfGioHang;
for (int i = 0; i < table.Rows.Count; i++)
{
int maDv = table.Rows[i].Field <int>(0);
DichVu dv = DichVuDAO.LoadOne(maDv);
rowOfGioHang = dtGioHang.NewRow();
rowOfGioHang["MaDV"] = maDv;
rowOfGioHang["TenDV"] = dv.TenDV;
rowOfGioHang["DonGia"] = dv.DonGia;
rowOfGioHang["SoLuong"] = table.Rows[i].Field <int>(1);
rowOfGioHang["ThanhTien"] = dv.DonGia * table.Rows[i].Field <int>(1);
dtGioHang.Rows.Add(rowOfGioHang);
}
return(dtGioHang);
}