Disable Copy or Paste action for text box
jQuery preventDefault()
The event.preventDefault() method stops the default action of an element from happening. You can use this method toprevent a TextBox control from Cut (Ctrl+X) , Copy (Ctrl+C) and Paste (Ctrl+V) .

Type something and try to copy it
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How to Prevent Cut Copy Paste on all textboxes?
You can use the following method to prevent all textboxes in a form using jQuery.

Type something and try to copy it