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Sunday, June 01, 2014

Show User Current Location on Google Map using GeoLocation API in Asp.net

Introduction:

Here I will explain how to show user current location using Google map API  (Geolocation) using JavaScript inasp.net website or Get user current location details (latitude and longitude) using Google map API (Geolocation) in JavaScript asp.net website.

Description:
Now I will explain how to show user current location using Google mapAPI (Geolocation) using JavaScript in asp.net website.
To show user current location details in Google map with latitude and longitude first we need to get Google API key for that please check below url

Once you got the key write the following code in your aspx or html page like as shown below 

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="location_search.aspx.cs" Inherits="location_search" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>Get User Current Location using Google Map Geolocation API Service in asp.net website</title>
<style type="text/css">
html { height: 100% }
body { height: 100%; margin: 0; padding: 0 }
#map_canvas { height: 100% }
</style>
<script type="text/javascript"
src="https://maps.googleapis.com/maps/api/js?key=AIzaSyC6v5-2uaq_wusHDktM9ILcqIrlPtnZgEk&sensor=false">
</script>
<script type="text/javascript" src="http://maps.googleapis.com/maps/api/js?sensor=false&libraries=places">
</script>
<script type="text/javascript">
    if (navigator.geolocation) {
        navigator.geolocation.getCurrentPosition(success);
    } else {
        alert("Geo Location is not supported on your current browser!");
    }
    function success(position) {
        var lat = position.coords.latitude;
        var long = position.coords.longitude;
        var city = position.coords.locality;
        var myLatlng = new google.maps.LatLng(lat, long);
        var myOptions = {
            center: myLatlng,
            zoom: 12,
            mapTypeId: google.maps.MapTypeId.ROADMAP
        };
        var map = new google.maps.Map(document.getElementById("map_canvas"), myOptions);
        var marker = new google.maps.Marker({
            position: myLatlng,
            title: "lat: " + lat + " long: " + long
        });

        marker.setMap(map);
        var infowindow = new google.maps.InfoWindow({ content: "<b>User Address</b><br/> Latitude:" + lat + "<br /> Longitude:" + long + "" });
        infowindow.open(map, marker);
    }
</script>
</head>
<body >
<form id="form1" runat="server">
<div id="map_canvas" style="width: 500px; height: 400px"></div>
</form>
</body>
</html>



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