help about display file swf from string variable

See more:

ASP.NET

I have a string variable, I need to put it into the src attribute data and to display swf file. how to do this, thanks you for help! asp.net , this is my code

<object classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" 
                                     codebase="http://fpdownload.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,0,0" 
id="tech" align="middle">
<param name="allowScriptAccess" value="sameDomain" />
<param name="movie" value="<%string variable%>" />
<param name="quality" value="high"/>
<embed src="<%string variable%>" quality="high" width="484" height="402" name="tech" align="middle" allowScriptAccess="sameDomain" type="application/x-shockwave-flash" pluginspage="http://www.macromedia.com/go/getflashplayer" />

 </object>