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Spark Line in Grid View and shows extra dots after scroll

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Sparkline
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Imran Javed Zia
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Imran Javed Zia asked on 25 Nov 2011, 11:44 AM
Hi,
We are using SparkLine in one column of GridView, we are getting issue that when user scrolls the grid down and move back then extra dots are visible in the grid. Please find the issue in attached image and we have also attached the sample code to regenerate the issue.
we are using 2011.2.712.40 library build.

Image file
sparkline.jpg

Sample code
how can we attach the code?
Thanks

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Yavor
Telerik team
answered on 30 Nov 2011, 02:32 PM
Hi Imran Javed Zia,

We tried reproducing the problem in a simple test application and reproduced the problem partially. In our tests the line part of the sparkline shows correctly, but some indicators are displayed out of place. This happens when we tried scrolling the GridView up and down fast.

You can attach the source code on a web site that offers free file sharing and send us the link. This way we can test it in our labs to see what is going on.

All the best,
Yavor
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Imran Javed Zia
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answered on 30 Nov 2011, 02:51 PM
Hi Yavor,
You have told to same steps and unexpected dots as we are facing, but there is fewer extra dots than we are observing. here is the example for more details download WpfApplication_SparkLine.zip from following url:

https://skydrive.live.com/redir.aspx?cid=722083c5d931ed6a&resid=722083C5D931ED6A!176&parid=root

Can you give me any idea, when we may get fixation of this bug?

Thanks
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Yavor
Telerik team
answered on 02 Dec 2011, 12:20 PM
Hello Imran Javed Zia,

Thank you for your sample project!

This problem occurs when you have empty cells between your sparklines. If the sparklines in each row have items then this bug will occur less often. I have logged it in our issue tracking system and notified the responsible team.

Please excuse us for the caused inconvenience!
Your telerik points have been updated!

Best wishes,
Yavor
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Imran Javed Zia
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answered on 02 Dec 2011, 12:46 PM
Hi Yavor,

Can you give me approximate time for fixation of this bug and availability of fixed version?

Thanks
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Vladimir Milev
Telerik team
answered on 06 Dec 2011, 09:36 AM
Hello Imran Javed Zia,

We will do our best to fix this problem for Q1 2012 release.

Greetings,
Vladimir Milev
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Imran Javed Zia
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answered on 06 Aug 2012, 02:50 PM
Hi Vladimir Milev,
We have just tried 2012.2.725.40 and have obsered same issue. It seems it has not been fixed yet.. if you like then can test same attached sample project with latest dlls.

Thanks and Regards,
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Tsvetie
Telerik team
answered on 09 Aug 2012, 08:08 PM
Hello Imran Javed Zia,

The problem turned out to be more complex than expected and indeed we have not yet been able to fix it. The fix will require major refactoring of part of the logic in the control and I cannot commit a timeframe for this fix.

Kind regards,
Tsvetie
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Tsvetie
Telerik team
answered on 16 Apr 2013, 08:11 AM
Hi Imran Javed Zia,

I am glad to inform you that the bug has been fixed and the fix will be part of the next internal build that we upload.

All the best,
Tsvetie
the Telerik team

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Imran Javed Zia
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Yavor
Telerik team
Imran Javed Zia
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Vladimir Milev
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Tsvetie
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