title: formcollection how to access html form associative array
body: <p>i try to access a associative array in c#. The Array is send per post to my c# mvc web application. </p>
  
  <p>e. g. html form</p>
  
  <pre><code> &lt;Input Name="myArray[hashKey1]" value="123"&gt;
   &lt;Input Name="myArray[hashKey2]" value="456"&gt;
  </code></pre>
  
  <p>and in c# i need the keys and values - perhaps with data dictionary?!</p>
  
  <pre><code>    [HttpPost]
      public ActionResult Index(FormCollection collection)
      {
      Dictionary&lt;string, string&gt; = KEY, VALUE
  
       ...
      }
  </code></pre>
  
  <p>i hope you can follow me :-/</p>