I have a ASP.Net web form that contains both text box fields and hidden fields. The hidden field values are modified dynamically using client side JavaScript. Posting the fo
You should not rely on this behavior. It is different among browsers, even among browser versions. This behavior is not described in any standards. If you want your fields to have specific values, you can use cookies, or always make requests to the server when page loads, or use more modern methods like local storage (it is not widely supported though).