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[Solved] Poor performance of Prometheus controls

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Daron
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Daron asked on 08 Jan 2008, 04:59 PM
I've just decided to rollback my "upgrade" to Prometheus after having a hell of a time getting the new controls going.

A couple of reasons:
1. (Major reason) Client-side performance is extremely, extremely slow. This appears to be due to the fact that about 20 javascript resource files are loaded, which completely bog down my PC - CPU up to around 80-90%
2. "Category" attribute has been removed from TreeView control. In theory it's replacement, "Attributes" should be a nice feature, but alas, when I use it I get an "Out of stack space" error (probably also related to point #1) - this is a nasty error!

Just posting this as a warning to other developers who, like me, decide to implement the latest version (Prometheus) early on in the development lifecycle. Back to the "old" versions, which seem to work quite nicely (albeit with bugs).

Cheers,
Daron

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Atanas Korchev
Telerik team
answered on 08 Jan 2008, 05:12 PM
Hi Daron,

About the first issue - have you tried using RadScriptManager? It combines all scripts registered by RadControls Prometheus in just one request to the web server.

As for the Category property - we have implemented it recently and it would appear in the service pack release due next Monday.

The stack overflow exception occurs when using attributes during load on demand (expandmode = serversidecallback). This problem has also been fixed and will appear in the service pack.

Regards,
Albert
the Telerik team

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Atanas Korchev
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