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;
            }
        }
Exemple #2
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 private void btnChon3_Click(object sender, EventArgs e)
 {
     frmQLS = new frmQuanLySach();
     DialogResult dr = frmQLS.ShowDialog(this);
 }