can i use multihandle slider exteder with label instead of text boxes ?

<asp:TextBox ID="TextBox1" runat="server"></asp:TextBox>

<asp:TextBox ID="TextBox2" runat="server"></asp:TextBox>

<asp:TextBox ID="txtSlider" runat="server" Width="40px"></asp:TextBox>


<cc1:MultiHandleSliderExtender ID="MultiHandleSliderExtender1" runat="server" TargetControlID="txtSlider"
BehaviorID="multiHandleSliderOne" Minimum="0" Maximum="100" Steps="50" Length="317">

<MultiHandleSliderTargets>

<cc1:MultiHandleSliderTarget ControlID="TextBox1"  />

<cc1:MultiHandleSliderTarget ControlID="TextBox2" />

</MultiHandleSliderTargets>