what cause this error?

[andi]

Radgridview with 3 level hirarchy, radgridview1 add template, template add template1.

Thanks before.

[Dimitar]

Hi Andi,

This can happen if the event is fired before the templates are added to the grid. You can try checking if there are templates in the collection before accessing it. 

I hope this will be useful.  

Regards,
Dimitar
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