rvices.extensionattribute.aspx" target="_blank">ExtensionAttribute</a>]
<span class="keyword">public</span>:
<span class="keyword">static</span> <a href="http://msdn.microsoft.com/en-us/library/system.web.mvc.mvchtmlstring.aspx" target="_blank">MvcHtmlString</a>^ <span class="identifier">GetOptionValue</span>(
	<a href="http://msdn.microsoft.com/en-us/library/system.web.mvc.htmlhelper.aspx" target="_blank">HtmlHelper</a>^ <span class="parameter">htmlHelper</span>, 
	<a href="http://msdn.microsoft.com/en-us/