how to submit data of editable gird

I have an interface including editable grid and two search fields. The interface is nested in a complex and old form.

My target is to refresh the grid data automatically when the search fields value is changed, and save/submit the data to model.

So I am using with().

But the problem is the variable the with() is also need to be changed and saved by a!save() in the editable grid, which will break out an error.

How can solve this issue?

Since the form is old and nest many other interface, is that possible that use a!localVariable to replace load/with in this new editable grid section?

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