how to use below web service and consume in c#

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hi to alll...
i have a doubt..
i have webservice link like:
http://api.geonames.org/citiesJSON?north=44.1&south=-9.9&east=-22.4&west=55.2&lang=de&username=demo..
how to consume this webservice in c#...
i tried like this: rightclick on project and select Add webreference then Add web refrence window open.. and i copied the above link and enter,error came like that..

Internet Explorer cannot download citiesJSON from api.geonames.org and Internet Explorer was not able to open this internetsite.the Requested site is either unavailable or cannot be found.pls try again later.....

If any body knows for the above problem pls let me know..its very urgent for me and do the need full...

Posted 15-Jul-11 21:45pm

komalilella

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RaisKazi · Answer 1 · 2011-07-15T22:17:00

Solution 1

I guess you are trying to Call REST based service which will return Json Data.

Firstly check for valid REST Service Url. If your REST Service url is correct then try calling service by below code.

string apiUrl = "YourFullServiceUrl";
Uri address = new Uri(apiUrl);

// Create the web request 
System.Net.HttpWebRequest request = System.Net.WebRequest.Create(address) as System.Net.HttpWebRequest;
request.Method = "GET";
request.ContentType = "text/json";

using (System.Net.HttpWebResponse response = request.GetResponse() as System.Net.HttpWebResponse)
{
// Get the response stream 
System.IO.StreamReader reader = new System.IO.StreamReader(response.GetResponseStream());

string strOutput = reader.ReadToEnd();
}

Posted 15-Jul-11 22:17pm

RaisKazi

Updated 15-Jul-11 22:21pm

v2

Comments

komalilella 16-Jul-11 4:22am

hi raiskazi..
basically i am new to this concept...if u know detail steps (step by step)pls let me know...and i don't know where to write the above code...pls do the need full.

komalilella 16-Jul-11 4:25am

how to check for valid rest service url..pls let me know..

RaisKazi 16-Jul-11 4:38am

I tried your url with my above code and it does returning data in Json format.

http://api.geonames.org/citiesJSON?north=44.1&south=-9.9&east=-22.4&west=55.2&lang=de&username=demo

RaisKazi 16-Jul-11 4:33am

REST Service is a HTTP url by calling which we get result either in XML/Json format. This type of Service does not requires adding "Web Reference". You can call above code on any of your event or in method. Have a look at below articles for more details on REST Services.

http://www.codeproject.com/KB/architecture/RESTWebServicesPart1.aspx
http://www.codeproject.com/KB/webservices/RestWebService.aspx?msg=3897933#xx3897933xx

Hope this helps.

RaisKazi 16-Jul-11 4:39am

Please don't forget to "Accept Answer", if it helps you.

thatraja 17-Jul-11 6:43am

Take a 5 for Clean answer.

Espen Harlinn 17-Jul-11 16:47pm

My 5

komalilella 18-Jul-11 2:23am

its very good code..
hi i tried for above code..output came.but ima getting in my output with special characters like square boxes ,how to remove those special characters..if u know pls let me know..
actually iam using windows form apllcation.