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Performance issues with multiple RadRichTextBoxes

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This is a migrated thread and some comments may be shown as answers.
Pulkit
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Pulkit asked on 13 Dec 2012, 07:59 AM
Hello

In an effort to implement Spellchecking for all our textboxes, we replaced them with RadRichTextBoxes and Text Input Providers.
Even though the spell check functionality works great, it has slowed our pages down dramatically (an increase of ~4-5 seconds).

When there are 3-4 RRTBs, it works fine, however if we put 30-40 RRTBs (all with their own text providers  -TxtDataProvider), it becomes a problem.

We just need to implement spell check, whether using simple TextBoxes or RRTBs. Please help figure out what changes we can do to the RRTBs to make them faster, or even suggest an alternative to this.

Thanks!
Pulkit

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