GoogleMap control polyline sample.
A simple demo adding polyline to map and client handler for polyline click event.

For full api documentation about polylines read here ...

Thank you for using the Development Build of ASP.NET Google Map Control to build Google Maps faster.
Purchase the Commercial Build now to get access to all product updates and the ASP.NET Google Map Control expert support.


<div class='map-wrap'>
    <map:GoogleMap ID='GoogleMap1' runat='server' Width='640px' Height='600px' Latitude='42.1229'
        Longitude='24.7879' Zoom='7' CssClass='map'>
    <map:GooglePolyline TargetControlID='GoogleMap1' runat='server' StrokeWeight='10'
        OnClientClick='handleClick' Clickable='true' Geodesic='true'>
        <map:LatLng Latitude='42.14304' Longitude='24.74967' />
        <map:LatLng Latitude='42.69649' Longitude='23.32601' />

<script type='text/javascript'>
    function handleClick(sender, e) {
        alert('Polyline clicked at lat: ' + e.latLng.lat() + ', lng: ' + e.latLng.lng());