How a Code datatype field can be auto-incremented

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Posted on by Muhammad Anas Naeemi

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I want to ask that in the picture below, there is a field ("Document No.") whose datatype is Code[20] but still the field is auto-incremented whenever a new line is created. Like in the above picture, for the first line "Document No." was G0003 and automatically when I initialized the new line the "Document No." becomes G0004. How can a Code datatype be auto-incremented? And how can I do that when I have to enter it by passing some action?

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Mohana Yadav 60,977 Super User 2025 Season 2 on at

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RE: How a Code datatype field can be auto-incremented

You can find the function in Table 81 - IncrementDocumentNo

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DAnny3211 11,389 on at

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RE: How a Code datatype field can be auto-incremented

hi

use this function in codeunit 396

DAniele

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pankaj.k 994 on at

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RE: How a Code datatype field can be auto-incremented

Hi Muhammad

"Document No." is Data Type=Code field Increment Automatically with the help of GetNextNo Function this function is available on Table No 81.

this Function use NoSeries that is Assign on "Payment Journal Batch" Page.

How to create No. Series : https://learn.microsoft.com/en-us/dynamics365/business-central/ui-create-number-series

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Inge M. Bruvik 1,045 Moderator on at

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RE: How a Code datatype field can be auto-incremented

If you are writing AL code and do not have any no. series connected to your field you can use the incstr function as documented here:

learn.microsoft.com/.../text-incstr-method

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YUN ZHU 93,438 Super User 2025 Season 2 on at

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RE: How a Code datatype field can be auto-incremented

Hi, Just to add a simple example.

How to use the standard No. Series on custom data in Dynamics 365 Business Central (Automatic Number Series)

https://yzhums.com/2278/

Hope this can give you some new hints too.

Thanks.

ZHU

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Muhammad Anas Naeemi 390 on at

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RE: How a Code datatype field can be auto-incremented

Thanks everyone, but IncStr() worked for me.

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Mohana Yadav 60,977 Super User 2025 Season 2 on at

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RE: How a Code datatype field can be auto-incremented

IncrementDocumentNo function will be doing the same so why to reinvent the wheel?

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Inge M. Bruvik 1,045 Moderator on at

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RE: How a Code datatype field can be auto-incremented

[quote user="Mohana Yadav"]

IncrementDocumentNo function will be doing the same so why to reinvent the wheel?

[/quote]
There can be many situation where you want to increment a code field or a text string without connecting a no, series to it. And in those cases incstr is the correct way to handle it.

There can also be situations where using the NoSeriesManagement codeunit causes locking in your system, then you need and alternative way to increase your code field.

So "one wheel" does not always fit all scenarios.

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