profile status

Question

hi... i want to code like orkut profile status 

there are one textbox two buttons(Edit/Update,cancel)

as you know when we click on edit the textbox's read only=false and when click on update textbox become read only..

i tried it but when click on update the textbox text disappears..

home.cs

 ProfileCommon p;

 protected void Button1_Click(object sender, EventArgs e)

    {

        if (Button1.Text == "Edit")

        {

            TextBox1.ReadOnly = false;

            Button1.Text = "Update";

        }

        else if (Button1.Text == "Update")

        {

    TextBox1.ReadOnly = true;

            p.status = TextBox1.Text;

            Button1.Text = "Edit";            

            

        }

    }

Thanks !