ASP.NET Google Map Control
ASP.NET Google Maps Control includes many features (markers, polyline, polygons, directions) and gives you almost all Google Maps API functionality in enjoyable ASP.NET way of coding.
More information you can find on Google Map Control website.
PM> Install-Package GoogleMapControl
You can add sample pages to your existing web application by installing the samples NuGet package just run following command in the Package Manager Console.
PM> Install-Package GoogleMapControl.Samples