How to remove prefix using c# .net
<pre><code>&lt;AcknowledgementList xmlns="http://www.irs.gov/efile" xmlns:efile="http://www.irs.gov  /efile"&gt;

     &lt;efile:Acknowledgement&gt;
 &lt;efile:SubmissionId&gt;*********&lt;/efile:SubmissionId&gt;
     &lt;efile:EFIN&gt;465465&lt;/efile:EFIN&gt;
     &lt;efile:TaxYear&gt;2011&lt;/efile:TaxYear&gt;
     &lt;efile:GovernmentCode&gt;OHST&lt;/efile:GovernmentCode&gt;
     &lt;/efile:Acknowledgement&gt;
&lt;/AcknowledgementList&gt;
</code></pre>

<p>Can any body tell me what the best way to remove prefix efile from this?</p>
