using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Text;
using System.Net;
using System.IO;

public partial class Default2 : System.Web.UI.Page
{
    HttpWebRequest webRequest = null;

    protected void Page_Load(object sender, EventArgs e)
    {

        string RequestXML = "<Request>" +
                           "<username>admin</username>" +
                           "<password>admin</password></Request>";
        string ServerURL = "http://localhost:8080/geonetwork/srv/en/xml.user.login";
        string ResponseXML = postRequest(RequestXML, ServerURL);
        Textbox1.Text = ResponseXML.ToString();

        string ServerURL1 = "http://localhost:8080/geonetwork/srv/en/xml.metadata.get";
        string RequestXML1 = "<Request>" +
            "<uuid>5915639e-777c-4339-93ad-c4037f2eeb77</uuid>" +
            "</Request>";
                   
            string ResponseXML1 = postRequest(RequestXML1, ServerURL1);
        
        
    }
    private string postRequest(String RequestXML, string ServerURL)
    {
        
        int timeout = 90000;
        int connectionLimit = 10;
        string responseXML = string.Empty;
        try
        {
            webRequest = (HttpWebRequest)WebRequest.Create(ServerURL);
            webRequest.Timeout = timeout;
            webRequest.KeepAlive = true;
            webRequest.ServicePoint.ConnectionLimit = connectionLimit;
            webRequest.Method = "POST";
            webRequest.ContentType = "Text/xml";
            byte[] byteArray = Encoding.UTF8.GetBytes(RequestXML);
            Stream strm = webRequest.GetRequestStream();
            strm.Write(byteArray, 0, byteArray.Length);
            strm.Close();
            HttpWebResponse webResponse = (HttpWebResponse)webRequest.GetResponse();
            Encoding enc = Encoding.GetEncoding("utf-8");
            StreamReader reader = new StreamReader(webResponse.GetResponseStream(), enc);
            responseXML = reader.ReadToEnd();
            reader.Close();
            webResponse.Close();
                     
        }
        catch (Exception ex)
        {
            throw (ex);
        }
        return responseXML;
    }