private void button2_Click(object sender, EventArgs e)
        {
                baza.sprawdzBaze();
                StreamReader sr = File.OpenText(openFileDialog1.FileName);
                while (sr.EndOfStream == false)
                {
                    string linia = sr.ReadLine();
                    string data = DateTime.Now.ToShortDateString();
                    string sql = "insert into strony values(NULL,'" + linia + "','" + data + "')";
                    baza.dodajDane(sql);
                }
        }

try
            {
                int port = Convert.ToInt32(textBox1.Text);
                String host = "94.40.27.106";

                Socket soc = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);



                //Połączenie ze zdalnym hostem

                soc.Connect(host, port);



                if (soc.Connected)
                {

                    MessageBox.Show("Połączono z :" + host);
                }
                else
                {

                    MessageBox.Show("Nie połączono ze zdalnym hostem");
                }


                soc.Close();//zamkniecie połączenia

            }

            catch (SocketException se)
            {

                MessageBox.Show("Błąd : " + se.Message);

            }

Socket soc = new Socket(AddressFamily.InterNetwork,SocketType.Stream,ProtocolType.Tcp);

           IPAddress ip = IPAddress.Parse("0.0.0.0");

              IPEndPoint ep = new IPEndPoint(ip, 2000);


              soc.Bind(ep);

              soc.Listen(10);    

              Socket nsoc = soc.Accept();      



           NetworkStream nstrem = new NetworkStream(nsoc);



               StreamWriter streamw = new StreamWriter(nstrem);

               streamw.WriteLine("Polaczony");

               streamw.Close();

               nstrem.Close();

               nsoc.Close();