private void btnChon_Click(object sender, EventArgs e) { frmQLS = new frmQuanLySach(); //frmQLS.ShowDialog(); DialogResult dr = frmQLS.ShowDialog(this); if (frmQLS.DialogResult == DialogResult.OK) { this.txtMaSach.Text = frmQLS.Text; } }
private void btnChon3_Click(object sender, EventArgs e) { frmQLS = new frmQuanLySach(); DialogResult dr = frmQLS.ShowDialog(this); }