Source code for finding latitude and longitude for a particular address

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I want to get the latitude and longitude for a particular address using c# and Asp.NET
Please help me anybody using googlemap

Posted 13-May-11 1:06am

Jameel VM

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Sandeep Mewara 13-May-11 13:00pm

No effort.

3 solutions

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Wayne Gaylard · Answer 1 · 2011-05-13T01:26:00

Here is an example of how to do it :

C#

public void GetCoOrdinates(string street, string city, string state)
        {
            string serviceUri = string.Format("http://rpc.geocoder.us/service/rest?address={0},{1},{2}", street, city, state);
            XmlDocument serviceXmlDoc = new XmlDocument();
            serviceXmlDoc.Load(serviceUri);
            XmlNamespaceManager geoCoderManager = new XmlNamespaceManager(serviceXmlDoc.NameTable);
            geoCoderManager.AddNamespace("geoCoderService", @"http://www.w3.org/2003/01/geo/wgs84_pos#");
            string longitude = serviceXmlDoc.DocumentElement.SelectSingleNode(@"//geoCoderService:long", geoCoderManager).InnerText;
            string latitude = serviceXmlDoc.DocumentElement.SelectSingleNode(@"//geoCoderService:lat", geoCoderManager).InnerText;
            MessageBox.Show(String.Format("Latitude: {0} Latitude: {1}", latitude, longitude));
        }

instead of a message box you can just write Response.Write() or similar for a web app.

Hope this helps

Member 2213196 · Answer 2 · 2013-11-27T01:46:00

Try this: It worked for me...

C#

public List<string> GetCoOrdinates(string street, string city, string state)
        {
            try
            {
                List<string> lstCordinates = new List<string>();

                string serviceUri = string.Format("http://rpc.geocoder.us/service/rest?address={0},{1},{2}", street, city, state);

                XmlDocument serviceXmlDoc = new XmlDocument();

                serviceXmlDoc.Load(serviceUri);

                XmlNamespaceManager geoCoderManager = new XmlNamespaceManager(serviceXmlDoc.NameTable);

                geoCoderManager.AddNamespace("geoCoderService", @"http://www.w3.org/2003/01/geo/wgs84_pos#");

                string longitude = serviceXmlDoc.DocumentElement.SelectSingleNode(@"//geoCoderService:long", geoCoderManager).InnerText;

                string latitude = serviceXmlDoc.DocumentElement.SelectSingleNode(@"//geoCoderService:lat", geoCoderManager).InnerText;

                //Console.WriteLine(String.Format("Latitude: {0} Latitude: {1}", latitude, longitude));

                lstCordinates.Add(latitude);
                lstCordinates.Add(longitude);

                return lstCordinates;
            }
            catch (Exception ex)
            {
                throw ex;
            }            
        }</string></string></string>

Manjeet Chourasia · Answer 3 · 2012-03-30T02:29:00

Solution 3

it showing below error
Data at the root level is invalid. Line 1, position 1.

Posted 30-Mar-12 2:29am

Manjeet Chourasia

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niralirshah 10-Jun-13 5:47am

I am also getting same error.. please help..

Source code for finding latitude and longitude for a particular address

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