Only show label control if there is message to display
<p>I'm a noob to asp and I am trying to show a label control if there is a message populated dynamically, otherwise hide the label. This is basically and error message control.</p>

<p>I have applied a css style to the control with a colored background, so if there is no message to display, the user still sees the blank control. </p>

<p>I know how to do this with javascript, just not sure if it's possible within the control.</p>
