Identifier (GUID) of the item which is represented with this Thumbnail control.
<script type="text/javascript" src="iuembed.js"> </script> <script type="text/javascript"> var tw = new ThumbnailWriter("ThumbnailID", 610, 500); //...other params... tw.addParam("Guid", ""); //...other params... tw.writeHtml(); </script>
getImageUploader("ThumbnailID").setGuid(value);
value = getImageUploader("ThumbnailID").getGuid();A string value containing GUID that identifies this item.
Default value is "".
Before binding the thumbnail with some upload list item, you should specify the parent ImageUploader control. You can do it using the ParentControlName property.