How can I get a running serial no. in a Sub form which is Based on a Query?

Hello All,

How can I get a running serial no. in a Sub form which is Based on a Query?

Like the Running Sum text box on a report.
Thanks
Issa S.Asked:
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Paul Cook-GilesSenior Application DeveloperCommented:
Is there a unique value in the query results?  Does the serial number need to be permanently associated with the row it appears on, or do you just need to number the rows in the query results?
Issa S.Author Commented:
The only unique field can safely be the ID no of the record.

This is needed to build and expression for a set of "Promissory Notes" like 1/9, 2/9, 3/9 and so on ...  9/9.

am open for any suggestion.

Thanks a lot
Issa S.Author Commented:
Hello
Issa S.Author Commented:
Hi paul,,,

Yes, I need to save the value of the record no into a field on my table after embedding it with some other value.
I hope this helps you.
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