How to update a control outside of an updatepanel?

Question

I am going to show some text in a TextBox, which is located outside of an updatepanel, after checking a CheckBox but I cannot make it work. please help me out ?

Here

Answer 1

I put the TextBox in another UpdatePanel and then called the Update method:

Here is my new code:

Code Behind:

        protected void cbShowText_CheckedChanged(object sender, EventArgs e)
        {
           txtBox.Text = "Some Text";
           uplDetail.Update();
        }

Hope this helps