to send the request and get the response from a URL

//request formation with URL
httpRequest = System.Net.WebRequest.Create(new Uri(Url)) as System.Net.HttpWebRequest;
            httpRequest.Method = "POST";
            httpRequest.Credentials = System.Net.CredentialCache.DefaultNetworkCredentials;
       
            httpRequest.ContentType = "application/json";//application type
            System.Text.ASCIIEncoding encoding = new System.Text.ASCIIEncoding();
//request Paramets
             string    Params = new JavaScriptSerializer().Serialize(objJioFetchWalletREQUEST);

            byte[] data = encoding.GetBytes(Params);
            httpRequest.ContentLength = data.Length;
            try
            {
             //sending request to URL
                using (System.IO.Stream newStream = httpRequest.GetRequestStream())
                {
                    newStream.Write(data, 0, data.Length);
                }
//response from URL
                httpResponse = httpRequest.GetResponse() as System.Net.HttpWebResponse;
                using (System.IO.Stream resStream = httpResponse.GetResponseStream())
                {
                    System.IO.StreamReader reader = new System.IO.StreamReader(resStream);
                    responseData = reader.ReadToEnd();
                }