How to use download order details from Magento Website using OAuth 1.0

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C#

Hello Experts,

I've been assigned to an application which will download the order details from a Magento Website using REST API. the REST API on Magento implements OAuth verification and authorization system to service all the api requests. Being a new guy with OAuth I'm just stuck where to start and how to make it done. I'm digging oauth.net and also have done googling at extent but couldn't find a solution to go ahead. Sample is available on Magento wiki but that's in PHP and my hands are not on that. If anyone knows how to do this then please, help me.

What I've tried so far is :

using System;
using System.Net;
using System.Web;
using OAuth;



namespace Magento_REST_Client
{
    class Program
    {
        static void Main(string[] args)
        {
            string ConsumerKey = "xxxxxxxxxxxxxxxxxxxxxxxxx";
            string ConsumerSecret = "xxxxxxxxxxxxxxxxxxxxxxxxxx";


            string StoreURL = "http://dwcube.com/ma";
            string RequestTokenEndPoint = StoreURL + "/oauth/initiate";
            string CustomerAuthorizationEndPoint = StoreURL + "/oauth/authorize";
            string AdminAuthorizationEndPoint = StoreURL + "/admin/oauth_authorize";
            string accesstokenEndPoint = StoreURL + "/oauth/token";

            OAuthBase oAuth = new OAuthBase();
            string nonce = oAuth.GenerateNonce();
            string timeStamp = oAuth.GenerateTimeStamp();
            string parameters;
            string normalizedUrl;
            string Signature = oAuth.GenerateSignature(new Uri(RequestTokenEndPoint), ConsumerKey, ConsumerSecret, string.Empty, string.Empty, "GET", timeStamp, nonce, out normalizedUrl, out parameters);
            Signature = HttpUtility.UrlEncode(Signature);


            string requestURL = RequestTokenEndPoint + "?oauth_calback=http://www.demoapp.com/test&oauth_consumer_key=" + ConsumerKey + "&oauth_consumer_secret=" + ConsumerSecret + "&oauth_nonce=65454646&oauth_signature_method=HMAC-SHA1&oauth_signature=" +Signature+ "&oauth_timestamp=" +timeStamp+ "&oauth_version=1.0";

            WebRequest request = WebRequest.Create(requestURL);
            WebResponse resp = request.GetResponse();

	}
       }
}

Regards,
Sunny.