vs 2008 vs silver light4

Question

Dear all,

        Please help me to use silver light 4 controls in vs 2008.if not possible tell me the suitable version of silver light to vs 2008.

Answer 1

Use the keyup event so that it would take effect immediately

private void textBox1_KeyUp(object sender, KeyEventArgs e)
        {
            MessageBox.Show(textBox1.Text);
        }