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RadEditor/HTML Editors and larger documents

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John
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John asked on 02 Sep 2010, 04:52 PM
I am aware of previous post;

http://www.telerik.com/community/forums/aspnet-ajax/editor/radeditor-character-table-limit.aspx


The above thread mentions that RadEditor is not really recommended for documents over 100k for text and html.  Some work arounds included disabling undo/redo button, and filters.  To be fair this is a problem in every html based editor I've reviewed so far, perhaps to a  less extent text editors running under Chrome.  Even web based editors running under chrome eventually too, succumb to latency issues as the document size increases, and Chrome has some perceived phone home ad issues that my client would rather not deal with.

My question is, if you have documents, all much bigger than 100k, perhaps an order of magnitude greater, say 1-3 meg or so and you were hoping for a web solution what can one do?  I was groping around for perhaps a streaming/paging solution (where 100k or so at a time can be loaded), but RadEditor and the others don't seem to support this in their api's (I could be mistaken in this).  Another solution is to break documents up into 100k bits, or as it were "chapter or section" bits, not sure my customer will go for this since it greatly complicates search and replace and the like operations that need to be done across multiple sections.

Unfortunately, unless I can find a solution this problem I will have to punt on a web solution and go win64 native application, which I would rather not do. 

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Dobromir
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answered on 07 Sep 2010, 04:10 PM
Hi John,

Yes you are correct, RadEditor does not provide paging functionality. The suggestions provided in the mentioned forum post do increase greatly the performance of the RadEditor, however, text document of size 1-3MB is quite large and I cannot assure that the optimizations will be enough. Please note that if you disable RadEditor's undo / redo functionality the browser's default undo / redo will be available.

As an alternate solution for really big documents, I suggest you to use a WYSIWYG editor which is not based on HTML / JavaScript, for example:
 Rad RichTextBox for Silverlight

Regards,
Dobromir
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