Get the index of a specific item in a Datagrid

Is their an easy way to get the index of specific item in a datagrid. So say my DG holds ten items of type foo. I need to find the index of foo #8. Remember the foo's may not be in orde 1-8 because of sorting or something.
Do I just need to run iterate through the rows and find, which matches the object I am looking for?

Thats it thanks. DG is getting refreshed so old objects don't match up to new objects so have to do it manually.
Thx.

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Hi there,
How can i get the index of an unbounded item in an incoming record set message?
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<Root>
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Just create a UDF of type queue. The input of UDF is the node you want to access (in your example, Record).
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Thanks for pointing me in the right direction Liam.
As I noted in the question, I am using the docs, but these docs can be a little overwhelming when first exploring them (which I am).
There are many sections where things could be in and often I'm not entirely sure what I need to look under... case in point - I would not have thought rendering the index value would be under 'Logic Tags'.
Additionally, the docs have broken links, pages fail to load and they are littered with typos and missing info.
Don't get me wrong, I'm very grateful of the docs and they are a great resource, but please don't assume everything is easy if it's documented. Some of us are still learning and are not as familiar with the docs as yourself. I spent a lot of time searching the docs and trying to crack this myself before posting here.

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Hi Mary,
this is code in C#.NET which is working fine, try to do same in your code:
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Get the index of a specific item in a Datagrid

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