Hi Richard,
Thanks for contacting Syncfusion support.
Query 1 : when it will be available
“Dialog template editing support for Grid” feature is scheduled to be rolled out in the Volume 3, 2018 release. Until then we appreciate your patience.
Query 2 : or is there another way of doing
We have created a new incident under your account for this query. Please follow up the incident for future updates.
Please get back to us if you need further assistance.
Regards,
Renjith Singh Rajendran.