private static double GetDistance(Geo l1, Geo l2)
{
//calculate distance based on geolocations
double lat1 = double.Parse(l1.lat);
double lon1 = double.Parse(l1.lng);
double lat2 = double.Parse(l2.lat);
double lon2 = double.Parse(l2.lng);
if (lat1 == lat2 && lon1 == lon2)
{
return(0);
}
return(new GeoCoordinate(lat1, lon1).GetDistanceTo(new GeoCoordinate(lat2, lon2)));
}
