Let end-users know the progress of an operation with the C1ProgressBarExtender control. You can easily customize the look of the indicator with animations, styles, labels, and more.
C1ProgressBarExtender Markup
The following markup creates a C1ProgressBarExtender control. Set the TargetControlID property to attach the extender to a control.
<cc1:C1ProgressBarExtender ID="Panel1_C1ProgressBarExtender" runat="server"
TargetControlID="Panel1">
<animationoptions easing="">
</animationoptions>
</cc1:C1ProgressBarExtender>