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ASP.Net MVC 4 C# -- pass HIDDEN url string ?

Posted on 2013-05-29
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Last Modified: 2013-06-02
How can I pass the below as a HIDDEN value so users cannot change URL string ?
      @Html.ActionLink("Create New", "Create", new { default_value = "5555" })

  ** Current = http://localhost:49450/POdetail/Create?default_value=5555
  ** Desired = http://localhost:49450/POdetail/Create?somethingUsersCannotEasilyChange
-------------------------------------------------------------------------------------------------------------
CONTROLLER below

        public ActionResult Create(string default_value)
        {
            ViewBag.PO_ID = new SelectList(db.POheaders, "ID", "Supplier");

            POdetail myEntity = new POdetail();
            myEntity.PartDescription = default_value;
            return View(myEntity);
        }
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Question by:finance_teacher
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käµfm³d   👽 earned 2000 total points
ID: 39204605
You're talking about something on the client's machine. How do expect to change something you have no control over?

If you want to hide data from the user, then use a POST method for your form. Be aware:  This is not a security measure. Anyone with basic HTTP knowledge can circumvent this method. I think you may want to reconsider your design.
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