GoogleMapで住所などから位置を取得して表示するサンプル #JavaScript

google.maps.Geocoderを使用して住所や施設名等から位置情報を取得します。
@{
    Layout = null;
}

<!DOCTYPE html>

<html>
<head>
    <title>住所などから位置を取得する</title>
    <meta name="viewport" content="initial-scale=1.0, user-scalable=no">
    <meta charset="utf-8">
    <style>
        html, body, #map-canvas {
            height: 500px;
            width: 500px;
            margin: 20px;
            padding: 20px;
        }
    </style>
    <script src="~/Scripts/jquery-1.10.2.js"></script>
    <script src="https://maps.googleapis.com/maps/api/js?v=3.exp"></script>
    <script>
        $(function () {
            var map;
            var marker;
            var geocoder;

            google.maps.event.addDomListener(window, 'load', initialize);

            function initialize() {
                var mapOptions = {
                    zoom: 15,
                    center: new google.maps.LatLng(Number($("#latitude").val()), Number($("#longitude").val()))
                };

                map = new google.maps.Map($("#map-canvas")[0], mapOptions);

                marker = new google.maps.Marker({
                    position: map.getCenter(),
                    map: map
                });

                geocoder = new google.maps.Geocoder();
            }

            $("#geocode").click(
                function () {
                    var address = $("#address").val();
                    geocoder.geocode({ 'address': address }, function (results, status) {
                        if (status == google.maps.GeocoderStatus.OK) {
                            var loc = results[0].geometry.location;
                            map.setCenter(loc);
                            marker.setPosition(loc);
                            $("#latitude").val(loc.lat());
                            $("#longitude").val(loc.lng());
                        } else {
                            alert('Geocode was not successful for the following reason: ' + status);
                        }
                    });
                });
        });

    </script>
</head>
<body>
    <input id="latitude" type="text" value="33.8391574" />
    <input id="longitude" type="text" value="132.76557520000006" />
    <div id="panel">
        <input id="address" type="text" value="愛媛県松山市">
        <input type="button" value="Geocode" id="geocode">
    </div>
    <div id="map-canvas"></div>
</body>
</html>