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0
Hi Alessio,
Didie
Telerik
Generally you can check our online documentation on Styling a TreeListView and using Implicit Styles.
I am not sure that I understand your specific question though, so would you please clarify what do you refer by a "complete Style"?
Didie
Telerik
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Alessio
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answered on 08 Jul 2013, 02:41 PM
Thanks for the quick answer.
I mean, I have one level hierarchic data structure and I want a expandable layout with constant column width when expand. So I think RadTreeListView is a good control (you can see design in attached).
I'm choosing GridViewDataColumn and GridViewSelectColumn, so I'd like to have a complete HeaderCellStyle and CellStyle or RowStyle (to use in pair with RowStyleSelector).
I'm trotting around documentation but I'd like to exit to process tentative-and-f5 :)
Can you help me in any way? Thanks.
I mean, I have one level hierarchic data structure and I want a expandable layout with constant column width when expand. So I think RadTreeListView is a good control (you can see design in attached).
I'm choosing GridViewDataColumn and GridViewSelectColumn, so I'd like to have a complete HeaderCellStyle and CellStyle or RowStyle (to use in pair with RowStyleSelector).
I'm trotting around documentation but I'd like to exit to process tentative-and-f5 :)
Can you help me in any way? Thanks.
0
Hi,
Didie
Telerik
You can edit the templates of the TreeListViewRow, GridViewHeaderCell and GridViewCell. As the RadTreeListView inherits RadGridView, it uses the same styling mechanism. You may take a look at the Styles and Templates section of the RadGridView for a further reference.
Didie
Telerik
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Alessio
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answered on 18 Jul 2013, 03:33 PM
Thanks.
I'm arrived to a good style, but I have bad performance when scrolling and expanding hierarchic items.
I'm testing with total 400 rows and 3 nested items every 5 elements.
I set virtualizing but I have binding with converter and I see that bindind is revaluated during expanding hierarchic items: is it possible to avoid this behavior?
Thanks.
I'm arrived to a good style, but I have bad performance when scrolling and expanding hierarchic items.
I'm testing with total 400 rows and 3 nested items every 5 elements.
I set virtualizing but I have binding with converter and I see that bindind is revaluated during expanding hierarchic items: is it possible to avoid this behavior?
Thanks.
0
Hello,
Indeed when there are a lot of visual elements (especially expanded in many hierarchy levels) scrolling performance will degrade significantly as all the rows should be created as they are brought into view. What I can suggest in this case would be to set ScrollMode="Deferred". That way the scrolling performance will be improved.
Generally I would also suggest you to go through the Degraded Performance help article suggests on how you could improve the performance
Didie
Telerik
Indeed when there are a lot of visual elements (especially expanded in many hierarchy levels) scrolling performance will degrade significantly as all the rows should be created as they are brought into view. What I can suggest in this case would be to set ScrollMode="Deferred". That way the scrolling performance will be improved.
Generally I would also suggest you to go through the Degraded Performance help article suggests on how you could improve the performance
Regards,
Didie
Telerik
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Alessio
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answered on 22 Jul 2013, 08:56 AM
Thanks! Deferred is great :)