Getting multiple checkboxes from FormCollection element

Posted by FreshCode on Stack Overflow See other posts from Stack Overflow or by FreshCode
Published on 2010-04-11T16:34:49Z Indexed on 2010/04/11 16:43 UTC
Read the original article Hit count: 663

Given multiple HTML checkboxes:

<input type="checkbox" name="catIDs" value="1" />
<input type="checkbox" name="catIDs" value="2" />
...
<input type="checkbox" name="catIDs" value="100" />

How do I retrive an array of integers from a FormCollection in an action:

public ActionResult Edit(FormCollection form)
{
    int [] catIDs = (IEnumerable<int>)form["catIDs"]; // ???

    // alternatively:
    foreach (int catID in form["catIDs"] as *SOME CAST*)
    {
        // ...
    }

    return View();
}

Note: I read the related questions and I don't want to change my action parameters, eg. Edit(int [] catIDs).

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