ASP.NET

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/// <summary><br />
    /// HttpCall: The main method that is used for all API calls<br />
    /// </summary><br />
    /// <param name="NvpRequest"></param><br />
    /// <returns></returns><br />
    public string HttpCall(string NvpRequest) //CallNvpServer<br />
    {<br />
        string url = pendpointurl;<br />
<br />
        //To Add the credentials from the profile<br />
        string strPost = NvpRequest + "&" + buildCredentialsNVPString();<br />
		strPost = strPost + "&BUTTONSOURCE=" + <big>UrlEncode</big>( BNCode );<br />
<br />
        HttpWebRequest objRequest = (HttpWebRequest)WebRequest.Create(url);<br />
        objRequest.Timeout = Timeout;<br />
        objRequest.Method = "POST";<br />
        objRequest.ContentLength = strPost.Length;<br />
<br />
        try<br />
        {<br />
            using (StreamWriter myWriter = new StreamWriter(objRequest.GetRequestStream()))<br />
            {<br />
                myWriter.Write(strPost);<br />
            }<br />
        }<br />
        catch (Exception e)<br />
        {<br />
            /*<br />
            if (log.IsFatalEnabled)<br />
            {<br />
                log.Fatal(e.Message, this);<br />
            }*/<br />
        }<br />
<br />
        //Retrieve the Response returned from the NVP API call to PayPal<br />
        HttpWebResponse objResponse = (HttpWebResponse)objRequest.GetResponse();<br />
        string result;<br />
        using (StreamReader sr = new StreamReader(objResponse.GetResponseStream()))<br />
        {<br />
            result = sr.ReadToEnd();<br />
        }<br />
<br />
        //Logging the response of the transaction<br />
        /* if (log.IsInfoEnabled)<br />
         {<br />
             log.Info("Result :" +<br />
                       " Elapsed Time : " + (DateTime.Now - startDate).Milliseconds + " ms" +<br />
                      result);<br />
         }<br />
         */<br />
        return result;<br />
    }<br />