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Rich Text Box Performance Issue

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RichTextBox
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Software Procurement
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Software Procurement asked on 08 Oct 2012, 07:57 PM
Hello

We've observed that with the amount of text typed in rich text box, it becomes very slow. If it has good amount of content then typing a small text takes even a minute or two. Same thing happens when you try to delete characters. This eventually makes the application screen load very-very slow where this control is used.

We're using Telerik RichTextBox in our application. Version - 2012.1.0326.40. Are you aware if performance is already known issue with Rich Text Box control? Do you have any suggestions?

Thanks
Manoj

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Mike
Telerik team
answered on 09 Oct 2012, 01:45 PM
Hello Manoj,

The performance of RadRichTextBox depends of the amount of content edited to some extent. However we are not able to determine the exact problem in this case with the information provided. Can you please open support ticket and send us more details. It will also help a lot if you can send us the documents that make RadRichTextBox run slow. Thanks!

Greetings,
Mike
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Robert
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answered on 09 Oct 2012, 10:03 PM
Hi Mike,

I too am experiencing major performance issues with larger documents.
If you need an example to test then take a look at my ticket submission numbered 610082.

You can also find a post referring to the same issues in the Silverlight section here.

Thanks,

Rob
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Boby
Telerik team
answered on 11 Oct 2012, 07:49 AM
Hello Robert,
We are working on performance optimizations as we speak, and we have taken your scenario into consideration while testing them. Some of the optimizations were pushed in the LIB from this week, and some will be included in next week's one; of course all of them will be part of the next official release - 2012 Q3, expected in a few weeks.

All the best,
Boby
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Robert
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answered on 11 Oct 2012, 10:35 PM
Thanks Boby, I will wait for the October release.

Thanks again for keeping me informed.
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Robert
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answered on 17 Oct 2012, 04:34 PM
I have updated my project to the Q3 2012 release and it seems to have improved the performance massively.

Thank you for rectifying this. I will get back to this thread when I get chance to do some more testing.

Thanks again,

Rob
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Maciek
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answered on 20 Apr 2013, 07:31 PM
yea but after q1 2013 its back to really slow esspecialy when it comes to work with tables imported from docx. i got tables on 2 pages in docx after importing into raddocument im not even able to scroll the document without stuck.
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Boby
Telerik team
answered on 22 Apr 2013, 10:56 AM
Hi Maciek,
Could you open a support ticket and send us the problematic document, as we are interested to investigate the issue further?

Kind regards,
Boby
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Maciek
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answered on 22 Apr 2013, 08:07 PM
done

Best Regards
Maciek
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Robert
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answered on 30 Apr 2014, 05:45 PM
I'm using libraries Q1 2913 and my document is having massive performance issues when using lots of semantic fields (custom fields).

Has the latest Q1 2014 libraries had any significant changes that will improve performance when using large amounts of custom annotations? I'm talking about hundreds of annotations per document.
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Robert
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answered on 30 Apr 2014, 05:47 PM
Sorry that was meant to say Q1 2013 and not Q1 2913.
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Vasil
Telerik team
answered on 05 May 2014, 12:06 PM
Hi Robert,

Thank you for writing.

Custom annotations are kept in special caches and, as a result, their excessive use can tamper the performance of your application. We will analyze in details your scenario and do our best to provide suggestions that will improve the performance. Please refer to the support ticket you have opened.

Do not hesitate to write back in the support ticket if you have other questions on this matter.

Regards,
Vasil
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Mike
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Robert
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Boby
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Maciek
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Vasil
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