Is there any way to keep the fields popup open or any other popup from toolbar open when loading the flexmonster grid first time .
Thank you for your question.
We would like to point out that via the
configuratorActive parameter of the options object you can specify whether to open the Field List pop-up window when loading Flexmonster the first time:
Here is a JSFiddle example for illustration.
Please let us know if you have any questions.