private void but_child_form(object sender, EventArgs e)
{
Button but = (Button)sender;
switch (but.Name)
{
case "but_home":
this.screen.Controls.Clear();
ThongBao formAnnounce = new ThongBao();
call_form(formAnnounce);
break;
case "but_ncc":
this.screen.Controls.Clear();
NhaCungCap formNCC = new NhaCungCap();
call_form(formNCC);
break;
case "but_phieu_nhap":
this.screen.Controls.Clear();
PhieuNhap formPhieuNhap = new PhieuNhap();
call_form(formPhieuNhap);
break;
case "but_mat_hang":
this.screen.Controls.Clear();
MatHang formMH = new MatHang();
call_form(formMH);
break;
case "but_loai_hang":
this.screen.Controls.Clear();
LoaiHang formLH = new LoaiHang();
call_form(formLH);
break;
case "but_quay":
this.screen.Controls.Clear();
QuayHang formQuayHang = new QuayHang();
call_form(formQuayHang);
break;
case "but_phieu_xuat":
this.screen.Controls.Clear();
QLXuat form_phieu_xuat = new QLXuat();
call_form(form_phieu_xuat);
break;
case "but_nhan_vien":
this.screen.Controls.Clear();
NhanVien form_nv = new NhanVien();
call_form(form_nv);
break;
case "but_thong_ke":
this.screen.Controls.Clear();
ThongKe form_chart = new ThongKe();
call_form(form_chart);
break;
}
}