I got it to work, ty for the direction.
For anyone else looking for a similar solution:
I created a query with the following SQL (also had to assigned my subdatasheet to this query):
Code:
SELECT tbl_Orders.*
FROM tbl_Orders INNER JOIN tbl_LineItems ON tbl_Orders.OrderID = tbl_LineItems.OrderID
WHERE (((tbl_Orders.OrderID)=tbl_LineItems.OrderID) And ((tbl_LineItems.PartNumber)=PartSearch));
And then I set the After Update event of my search dropdown box to:
Code:
Me.CtrOrders.Form.RecordSource = "qry_OrdersLineItems"
For my Filter Reset button, I added to the After Update
Code:
Me!PartSearch = Null
Me![CtrOrders].Form.RecordSource = "SELECT * FROM [tbl_Orders]"
Also, in case someone closes the form with the filter applied, I added this to the On Load event for the main form:
Code:
Me![CtrOrders].Form.RecordSource = "SELECT * FROM [tbl_Orders]"