How to prevent print when display data exist on datatable using printpreview dialog and print document ?

How to prevent print when display data Exist on datatable using printpreview dialog and print document ?

private void button1_Click(object sender, EventArgs e)
        {
            
            PrintDocument document = new PrintDocument();
            
            document.PrintPage += new PrintPageEventHandler(document_PrintPage);
            

            PrintPreviewDialog ppDialog = new PrintPreviewDialog();
            ((ToolStripButton)((ToolStrip)ppDialog.Controls[1]).Items[0]).Enabled = false;
            ppDialog.Document = document;
           
            ppDialog.Show();
           
        }