Hello rahaf,
Here are my answers to your questions:
- We do support unbound mode. You can check out this online example.
- Check out the columns example for various options for editing. You can also always use a templated column.
- We have done some performance profiling and the current implementation can handle large amounts of data. As always there are areas for improvements and corner cases we can optimize. If you hit so performance issues please do share them with us.
Regards,
Stefan Dobrev
the Telerik team
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