hyperlink – Add a list item in a query string in a URL, the ID must be hidden

Try adding an item from the list, especially the ID in a URL of the DispForm.aspx file. The customer does not want the ID to be displayed. I had the link in the display form, I understood how to split the ID: I just do not know how to add it or add it to the URL as a query string. Here is what I have … again, I have the ID, I just add it to the .aspx part? ID = XX in the a href:

Preview before printing

Thank you!