This example shows how to add an info windows to a marker. The windows will open when you click on the marker
<% Html.Telerik().Googlemap() .Name("map") .Markers(marker => marker.Add() .Title("Click to Open an InfoWindow") .Window(window => window.Add() .Content(() =>{%> <div id="content"> <div id="siteNotice"> </div> <h1 id="firstHeading" class="firstHeading"> La Havana</h1> <div id="bodyContent"> <p> <b>Havana</b> (<a href="/wiki/Spanish_language" title="Spanish language">Spanish</a>: <span lang="es" xml:lang="es"><i><b>La Habana</b></i></span> officially <i>Ciudad de La Habana</i>,<sup id="cite_ref-2" class="reference"> <a href="#cite_note-2"><span>[</span>3<span>]</span></a></sup>) is the <a href="/wiki/Capital_city" title="Capital city">capital city</a>, major port, and leading commercial centre of <a href="/wiki/Cuba" title="Cuba">Cuba</a>. The city is one of the 14 <a href="/wiki/Provinces_of_Cuba" title="Provinces of Cuba"> Cuban provinces</a>. The city/province has 2.1 million inhabitants, the largest city in Cuba and the second largest in the <a href="/wiki/Caribbean" title="Caribbean"> Caribbean region</a>.<sup id="cite_ref-3" class="reference"> <a href="#cite_note-3"><span>[</span>4<span>]</span></a></sup> The city extends mostly westward and southward from the bay, which is entered through a narrow inlet and which divides into three main harbours: Marimelena, Guanabacoa, and Atarés. The sluggish <a href="/wiki/Almendares_River" title="Almendares River">Almendares River</a> traverses the city from south to north, entering the <a href="/wiki/Straits_of_Florida" title="Straits of Florida">Straits of Florida</a> a few miles west of the bay.</p> </div> </div> <%}) ) ).Render(); %>