Disable past dates in date lookup

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Posted on by Abhinay Tharwal

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Hi,

Greetings!

In the date lookup, is it possible to disable past dates, e.g. dates before today or a specific date?

This way we may not have to write the validation logic.

//BR, Abhinay

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Mohamed Amine Mahmoudi 26,316 Super User 2025 Season 2 on at

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Disable past dates in date lookup

Hi,

I suggest you perform this operation in the ValidateWrite method in the table concerned.

e.g.

boolean validateWrite() { boolean ret; ret =super(); if(this.date < today()) { ret = checkFailed("your message here !"); } }

Best regards,

Mohamed Amine MAHMOUDI

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Abhinay Tharwal 1,215 on at

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Disable past dates in date lookup

Hi Mohamed Amine Mahmoudi,

Thank you for your reply, but that is what I am trying to avoid.

//BR, Abhinay

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Layan Jwei 8,034 Super User 2025 Season 2 on at

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Disable past dates in date lookup

Hi,

I don't think there is a way other than writing some logic to acheive it

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Jonas "Jones" Melgaard 4,894 Super User 2025 Season 2 on at

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Disable past dates in date lookup

I don't recall there being any dialogs like this in the standard application, so I'm afraid that the answer is that you will have to write your own extensible control. But you can borrow a lot from the standard application.

If you do want to investigate this, there is a date picker that's implemented that way.

The date attribute type for fixed asset's attributes (EntAssetObjectAttribute) in asset management uses a form lookup as it's date picker.

The date picker form is called "SysDateLookUp"; It uses the extensible control "CalendarControl":

You can find the CalendarControl class in the AOT, and work from there.

I have marked the line that's interesting for you

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