Hello Jie,
I already posted the following answer in the support ticket that you opened on the same subject.
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Basically it should be possible to achieve as deeper nesting as you want, no matter what kind if widgets you use. The only important thing to follow is to keep the template valid, in other words all the sharp symbols (
# ) that are not part of the template syntax should be escaped with a backslash and this is usually done automatically if you use the
ToClientTemplate extension (which should be available for all widgets).
Give a try and let us know your findings.
Also do not forget to share the complete view (all the widgets and events attached to them) and the whole invalid template exception, so we can advise you more precisely.
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Feel free to continue our conversation here or in the other support ticket.
Kind Regards,
Petur Subev
Telerik
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