public string HttpGetByWebRequ(string uri, string username, string password)

{

//For Basic Authentication

    string authInfo = username + ":" + password;

    authInfo = Convert.ToBase64String(Encoding.Default.GetBytes(authInfo));

​

//For Proxy

    WebProxy proxy = new WebProxy("http://10.127.0.1:8080", true);

​

    HttpWebRequest request = (HttpWebRequest)WebRequest.Create(uri);

    request.Method = "GET";

    request.Accept = "application/json; charset=utf-8";

    request.Proxy = proxy;

​

    request.Headers["Authorization"] = "Basic " + authInfo;

​

    var response = (HttpWebResponse)request.GetResponse();

​

    string strResponse = "";

    using (var sr = new StreamReader(response.GetResponseStream()))

    {

        strResponse= sr.ReadToEnd();

​

    }

​

    return strResponse;

}