On an ASP.NET page with WebThumbnailviewer and WebAnnotationViewer, I load a one-page document. When I create an annotation , it does not update the thumbnailviewer.

I load a 4 page document and create an annotation on first page it does not appear in the thumbnailviewer. I navigate to next page and create an annotation and it updates the thumbnail viewer correctly. If I now navigate back to page 1 and create an annotation it will show up in the thumbnail viewer.

I am using the same code as provided in the Developer's guide to create annotations.

Please help.

Are you getting any JavaScript errors that might be interrupting the request?

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David Cilley
My AJAX Imaging Blog
Atalasoft Development Team

No, there are no errors.

I have found a workaround..I know I should not have to do this but in the onAnnotationChanged Event on Client side I call thumbNailViewer.UpdateThumb(thumbNailViewer.getSelectedIndex()). That seems to do it.

Do you have the WebAnnotationViewer's AutoLinkThumbnailViewer set to true?

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David Cilley
My AJAX Imaging Blog
Atalasoft Development Team