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Serious performance issue when initializing Kendo Web UI widgets inside a form

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Nariman
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Nariman asked on 03 Nov 2015, 04:29 PM

Hi, Please read this discussion http://stackoverflow.com/questions/22299091/kendo-web-ui-performance

and advise why there is a serious performance problem when initializing KendoDatePicker and KendoNumericTextBox (and may be all other widgets) inside a form (html form tag)?

Also pls advise what is the recommended way to handle such scenarios?

Thank you.

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Georgi Krustev
Telerik team
answered on 05 Nov 2015, 11:42 AM
Hello Nariman,

In general, the DatePicker and NumericTextBox widgets has a dedicated support form reset functionality. For it, we need to traverse the DOM in order to check whether we are nested in FORM or not. In general, this should not be slow and is directly related to the level of nesting in the FORM and the amount of the rendered elements. Of course the browser performance is absolutely important too.

In my local tests, the widgets seems to render fast enough. Here is a screencast that demonstrates this case: Here is the test demo:
Could you modify it and replicate the issue?

Regards,
Georgi Krustev
Telerik
 
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