<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Map.aspx.cs" Inherits="GoogleMap.Map" %>
<%--A sample project by Ghaffar khan--%>
<!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 id="Head1" runat="server">
<title>Your Data on Google Map </title>
<%--Google API reference--%>
<script src="http://maps.google.com/maps?file=api&v=2&sensor=false
&key="Z3UlwJVUBDAReP3ijQ4eNap9FznZ9qIYzIv7pbaN4v4" type="text/javascript">
</script>
</head>
<body onload="initialize()" onunload="GUnload()">
<form id="form1" runat="server">
<asp:Panel ID="Panel1" runat="server">
<%--Place holder to fill with javascript by server side code--%>
<asp:Literal ID="js" runat="server"></asp:Literal>
<%--Place for google to show your MAP--%>
<div ID="map_canvas" style="height: auto; position: absolute; bottom:0; left:0; right:0; top:0;">
</div>
<br />
</asp:Panel>
<br />
</form>
</body>
</html>
Code (C#)
using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;
namespace GoogleMap
{
// A sample project by Ghaffar khan
public partial class Map : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
DataSet1TableAdapters.LocationsTableAdapter da = new GoogleMap.DataSet1TableAdapters.LocationsTableAdapter();
DataSet1.LocationsDataTable table = new DataSet1.LocationsDataTable();
da.Fill(table);
BuildScript(table);
}
private void BuildScript(DataTable tbl)
{
String Locations = "";
foreach (DataRow r in tbl.Rows)
{
// bypass empty rows
if (r["Latitude"].ToString().Trim().Length == 0)
continue;
string Latitude = r["Latitude"].ToString();
string Longitude = r["Longitude"].ToString();
// create a line of JavaScript for marker on map for this record
Locations += Environment.NewLine + " map.addOverlay(new GMarker(new GLatLng(" + Latitude + "," + Longitude + ")));";
}
Code (JavaScript)
js.Text = @"<script type='text/javascript'>
function initialize() {
if (GBrowserIsCompatible()) {
var map = new GMap2(document.getElementById('map_canvas'));
map.setCenter(new GLatLng(13.721658,100.453184), 12);
" + Locations + @"
map.setUIToDefault();
}
}
</script> ";
}
}
}
Load balance : Server 03
