Set value in datasource field whe init the form

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Posted on by AhmedSaeed

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Hello every one i need to set adefault value to the for when init it i'm trying to write this code prodParmReportFinished.Unit="50"; in init value method but not working 8080.2.png

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André Arnaud de Cal... 300,904 Super User 2025 Season 2 on at

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Hi Ahmed,

Check if the unit field has a relation with the Units of measurement table. If so, check if the value '50' is setup. Can you also elaborate on the exact code used? Do you have compilation errors, runtime errors or is it just not working?

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AhmedSaeed 383 on at

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Hi André

the field is a string field and there is no relation the field name is just a description

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AhmedSaeed 383 on at

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here is the code

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nmaenpaa 101,160 Moderator on at

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What do you mean by "not working"? Some error? Not the expected value? Something else? We don't like to guess :)

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AhmedSaeed 383 on at

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i mean that the value didn't implemented (the field stile empty )

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nmaenpaa 101,160 Moderator on at

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Did you debug it? Does the initValue method get called? Does some other method (executed later) perhaps overwrite that value?

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André Arnaud de Cal... 300,904 Super User 2025 Season 2 on at

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Is "50" a unit of measure? Usually it is a quantity and unit of measure might be created like "box 50" if there needs to be a conversion from pieces to packed boxes.

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Mark Boy2 506 on at

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Your should overwrite the write method not initValue method

public void write()

{

super();

prodParmReportFinished.Unit="50"

}

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nmaenpaa 101,160 Moderator on at

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Write method is called when the record is saved, so it can't be used to initialize default values. InitValue is used for the purpose.

And if you set some value in write method after super(), it won't be even written to the table.

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AhmedSaeed 383 on at

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no it is not a measure it just a description it could be "N50"

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