Trouble logging out using RequiredField Validation

Hello Experts,

I have an application that allows users to interact with my DB. Each form they fill out requires that all fields be completed. Each of those pages also has a "log out" button with the following code below.

Log out code:

    protected void lb_Logout_Click(object sender, EventArgs e)
    {
        Session.Abandon();
        Response.Redirect("../index.aspx");
    }

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The problem is that if a user tries to log out on a form that has fields that are using the RequiredField Validation then I have to enter data into those fields before I can log out because the fields that have the RequiredField Validation assoicated to them prompt you to enter a value for each fields. How can I prevent that from happening.