1. What version of Thingworx are you currently running? Version - 9.3.0
2. Describe the problem you are trying to solve. Please include detailed documentation such as screenshots, images or video.
PTC There are no feature for editing all rows in at time in Adv Grid. For Eg. In Grid While Boolean column is editable that means PTC needs to given all select Option on header of the Grid. so if there are more than 1000 rows then end user should not Edit all Rows one by one he need do all rows in at a time then there are no feature for editing all rows in at time.
Below Snapshot PTC is providing
This Feature need to provide (So that User can edit all rows in at a time.)