c # How to use selenium xpath feature : I want to access and click on the following HTML code elements:
I try
driver.FindElement(By.ClassName("all_excel")).Click();
But an error occurs.
I'd appreciate it if you could give me a solution.

    <html>
    <body>
    <a href="#" class="btn all_excel _excelDownloadBtn _click(nmp.checkout_admin.order.n.sale.delivery.excelDownload()) _stopDefault"><span class="blind">all excel download</span></a>
    </body>
    </html>