Display Record Data In Editable Grid

The interface recipes section in the documentation has some examples about how to edit data in a grid.

You did not ask any specific question, and also miss any description whether your code works or not.

I see that your configured validations will not work. Check the documentation for how to use that.

Then, your showWhen on the floppy icon does not make much sense. fv!index will never be null, and I though that your isActive field is true or false. Why check it for null?