How to clear a TextBox value in a single click in C# .NET

protected void Button2_Click(object sender, EventArgs e)

{

    ClearInputs(Page.Controls);

}

void ClearInputs(ControlCollection ctrls)

{

    foreach (Control ctrl in ctrls)

    {

        if (ctrl is TextBox)

            ((TextBox)ctrl).Text = string.Empty;

        ClearInputs(ctrl.Controls);

    }

}