public frm_inhoadon(String mahd)
{
dungchung lib = new dungchung();
InitializeComponent();
//KHai bao chuoi sql
String sql = "Select hoadon.mahd,hoadon.maphieu,nhanvien.tennv,ngaylaphd,spdv.tenspdv,chitiethd.soluong,chitiethd.dongia from (hoadon join nhanvien on hoadon.manv=nhanvien.manv) join chitiethd on hoadon.mahd=chitiethd.mahd join spdv on chitiethd.maspdv=spdv.maspdv where hoadon.mahd='" + mahd + "'";
crp_hoadon Inhoadon = new crp_hoadon();
if (lib.reDataSet(sql).Tables[0].Rows.Count == 0)
{
MessageBox.Show("No data.", "QLBH", MessageBoxButtons.OK, MessageBoxIcon.Information);
return;
}
Inhoadon.SetDataSource(lib.reDataSet(sql).Tables[0].DefaultView);
crv_inhoadon.ReportSource = Inhoadon;
}