Change HTML Source In Winforms?

Mar 25, 2012

I have the below srtucture of html page

<video controls="controls" width="480" height="208" id="video1">
<source src="http://devfiles.myopera.com/articles/2642/sintel-trailer.ogv" type='video/ogg; codecs="theora, vorbis"'>
<source src="http://devfiles.myopera.com/articles/2642/sintel-trailer.mp4" type='video/mp4; codecs="avc1.42E01E, mp4a.40.2"'>
</video>

Now I want to load video using OpenfileDialog and replace the filename with it's extension in place of src="http://"

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[Code]...

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