Filemaker restarting Invoice number

This is a simple and handy way to create an invoice number in a FIlemaker Invoicing database that restarts each month.
In this video you will see two different methods.

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[juliocarlos]

Thanks Guy Stevens. Very nice. Keep on making videos and courses. XD

[tworks]

Hello, Guy!

Thank you so much for your help!!!
It worked!
Thank you !!!

[claudioalins]

A little help, please.
As I can configure a counter each time the user fills out a form, I need the counter to be sequential in two other forms the data source of other tables, the counter has to zero each year, finally even counter with forms generated from different tables.

[hidayatnoradzmanhisham]

I really want to know the way how to increment and decrement the numbering section "No." A big thanks for those who want to share about it.

[movementresearch]

Hello Guy,
since two years I`m working with yout GfindFields and like them a lot. Is it possible to find two datas inside the field. I have a projektnumber 28 and want to see the results also from projekt 29. "Ergebnismenge erweitern" I couldn´t create a solution inside your Global find fields, but may be you can help?
Best and thanks for your nice tutorials

hans

[tworks]

Hello, Guy.
This video is helpful for me. But If restart invoice number every month, each customer. Is it possible?

I mean each customer have customer code.
eg. AB1508001

AB is customer code.
15=2015
08=date
001 is invoice number.

I would like to count each customer's invoice number from #1 every month.

Thank you for your big help!