问如何在ASP.NET C#中显示谷歌地图

EN

<script>
    var map;
    function initialize() {
        map = new google.maps.Map(document.getElementById('map'), {
            center: new google.maps.LatLng(48.1293954, 11.556663), // Munich Germany
            zoom: 10
        });
    }

    function newLocation(newLat, newLng) {
        map.setCenter({
            lat: newLat,
            lng: newLng
        });
    }

    google.maps.event.addDomListener(window, 'load', initialize);
</script>
<form id="form1" runat="server">
    <asp:ScriptManager ID="sManager" runat="server" />
    <asp:UpdatePanel ID="pnlTest" runat="server">
        <ContentTemplate>
            <div style="height: 60%;" id="map"></div>

            <asp:TextBox ID="txtLat" runat="server" />
            <asp:TextBox ID="txtLong" runat="server" />
            <asp:Button ID="btnSubmit" Text="Submit" runat="server" />
        </ContentTemplate>
    </asp:UpdatePanel>
</form>