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How to add custom lookup method to the datasource field in form?

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Posted on by Shooowtek

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Hi,

Can anyone suggest how to add a custom lookup to datasource field in form?

It is known that I could do it through event handler on the form control, but users often personalize the form view for themselves, and so event handler will not work here.

Thanks.

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Shooowtek 843 on at

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I created an extension, but unfortunately it does not work. Can anyone help?

[ExtensionOf(formDataFieldStr(SalesTable, SalesLine, MyField))] final class SalesTable_SalesLine_MyField_Extension { public void lookup(FormControl _formControl, str _filterStr) { next lookup(_formControl, _filterStr); info("Custom lookup OK"); } }

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GirishS 27,833 Moderator on at

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Hi Shooowtek,

It's not recommended approach to write COC for lookup method.

If you write COC for lookup method - I guess the lookup will call two times - One from the next keyword and other from the code you have written lookup for - Mostly it will throw error. Only way will be through event handler only.

Thanks,

Girish S.

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Mohit Rampal 12,565 Moderator on at

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Hi, May I know what's the issue if user personalizes the form?

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Shooowtek 843 on at

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Hello. Thank you for your reply.

The event handler is for a specific control in the forms. In case the user personalizes his grid, this will not work because the form control contains SysGen....

That's why I'm looking for another solution.

Thanks.

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Shooowtek 843 on at

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Does anyone have a suggestion?

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Bharani Preetham Pe... 3,634 Moderator on at

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You can use event handler which is simply a single method. But with COC, you need to override 2 methods I remember. Using event handler, you can event stop standard lookup execution too.

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