Follow these simple steps to use EO.Web ImageZoom control:

1. Drag an ImageZoom control from the toolbox to your Web Form. See here if you can not find the control in your toolbox;
2. Set the ImageZoom control's SmallImageUrl property. This is the small image that is initially displayed;
3. Set the ImageZoom control's BiglImageUrl property. This is the big image that will be displayed when the small image is clicked;
4. Optionally, set the ImageZoom control's Description property. This is the text displayed below the big image. The location of the description text can also be customized;
5. Optionally, set the ImageZoom control's ZoomPanelStyle property. This is the style applied to the panel that holds the big image and description. Usually you should specify a border and background color with this style;