In such case I think you can be better served by saving a unique key value to the array instead of the recno(). It could be the primary key or a composite key value, and you can create an index on a read-only cursor if need be.

>I am creating the cursor in a method on the form so technically it isn't in the DE I don't think. The recno() issue involves a link to an array for a couple fields that need changing by the user. Being how I am using VFP6 and had problems with creating READ/WRITE cursors (even with help from here)... the array option works well. The link is the RECNO() from the cursor/grid. If I REFRESH my cursor, the RECNO()s of the cursor can change (found that out the hardway) so that is why I hope that filtering the cursor won't mess with those recno()... otherwise I have a problem with the link to additional data.
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>>>I have a cursor I use through out an app. At times, I would like to narrow the rows displayed (in my grid) to records in the cursor that meet a specific qualification and ideally, I don't want to lose the original rows in the cursor (due to some recno() references etc)... just not see them. Is there a way to do that without reselecting the cursor?
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>>If you have the cursor in the data environment of the form, you can filter the cursor using the Filter property:
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Thisform.DataEnvironment.myAlias.Filter = "myFilterExpression"

>>Although I'm not sure what you mean about the recno() references.