VB.net : How to compare data in same column in different datagridview?

Can you give me example or idea on how to make this happen? Thank you.
Ed ZonManufacturing System StaffAsked:
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slightwv (䄆 Netminder) Commented:
I'm assuming you want a two-way difference, what doesn't match in either grid?

How do you want to show the differences?

I've not done a lot with datagridview but I would probably look at LINQ but there is a previously asked question here that does a one-way difference:
Nitin SontakkeDeveloperCommented:
Being a database developer, if I have a control, I would go further back and see what is the data source of both datagridviews and can it be compared at source itself? A FULL OUTER JOIN would be of a great help.
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