public JLabel our;
        public Form1()
        {            
            InitializeComponent();
            our = new JLabel();
            our.tekst = "grrrrrrrr";
            label1.DataBindings.Add("Text", our, "tekst");
            our.tekst = "syf";
        }

        private void button1_Click(object sender, EventArgs e)
        {
            our.tekst = "QTWA";
            textBox1.Text = our.tekst;
        }