private void btnIn_Click(object sender, EventArgs e) { ptTien.NgayLap = DateTime.Parse(String.Format("{0:MM/dd/yyyy}", dtPhieu.Text)); ptTien.SoTien = (float)Convert.ToDouble(txtTienTra.Text); ptTien.GhiChu = txtLyDo.Text; ptTien.MaPhieu = txtPhieu.Text; ptTien.TenNV = cbNhanVien.Text; var print = new frmPrint(); print.PrintReportThu(ptTien); print.ShowDialog(); }