public void ThongTinChuyenKhoan_Load() { Application.OpenForms[1].Close();//đóng form hiện tại đang mở this.pnMaster.Controls.Clear(); ThongTinChuyenKhoan thongTinChuyenKhoan = new ThongTinChuyenKhoan(); thongTinChuyenKhoan.TopLevel = false; this.pnMaster.Controls.Add(thongTinChuyenKhoan); thongTinChuyenKhoan.Show(); nameForm = "ThongTinChuyenKhoan"; var account = AccountBUS.getByAccountNo(sothechuyenden); var AccountInfo = CustomerBUS.getByCustID(account.CustID); var Form = Application.OpenForms[1]; Label lbl_chutaikhoan = Form.Controls["lbl_chutaikhoan"] as Label; lbl_chutaikhoan.Text = AccountInfo.Name; Label lbl_sotaikhoan = Form.Controls["lbl_sotaikhoan"] as Label; lbl_sotaikhoan.Text = account.AccountNo; Label lbl_sotienchuyen = Form.Controls["lbl_sotienchuyen"] as Label; lbl_sotienchuyen.Text = sotienchuyenden.ToString("0,000") + "VNĐ"; }