I have many files (.jpeg, .gif) in my DB. I need view all this images on WebThumbnailViewer, with my syntax i get view only one image. I'm using the follow syntax: MemoryStream streamImage=null; DataRow[] rowDoc = dsWork.Tables[''Doc''].Select(''rowid= '120'); foreach (DataRow row in rowDoc) { streamImage = new ...

My objective is to write a browser based application to do the following: Load one or more multi-page TIFF images from a directory Allow viewing, reordering, and rotating of pages Split or group ranges of pages into their own multi-page TIFF (or insert separator page to designate start of a new section/document) Preferably use a TreeView to ...

That specific error message looks like the PDF decoder is not initialized when the asynchronous requests for the thumbnails are requested.  To fix this issue, you can add the PDF Decoder to the RegisteredDecoders on the Page Init event. I have a suggestion that may improve your performance for this situation (Once you get the PDF loading): ...