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Microsoft Dynamics AX (Archived)

Validate fieldvalue against relation

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Posted on by Sven Joos

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Hi,

let's say you have 3 parameters:

1) TableId

2) FieldId

3) FieldValue

Is there any (standard) way of checking if the fieldvalue is an ok value for that field (using its relations - direct or via EDT) in code? (without trying an insert or any of that)

Thanks for any help,

Sven

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Denis Patrakov on at

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You will generally need a table buffer to validate a field as its value might depend on other field values i.e. it might be valid only in some context. If you have a table buffer then you can use a code like this:

boolean ok; anytype prevValue; ; // ... prevValue = record.(fieldId); record.(fieldId) = newValue; ok = record.validateField(fieldId); if (!ok) { record.(fieldId) = prevValue; }

Note:

the validateField() method might be overloaded on a table to implement some additional checks for a field besides the ones that the kernel performs;

you should check if the field is an array field (like Dimension) and in that case validate it on a per-element basis otherwise the kernel check will fail and might even modify some field values!

you cannot use a variable of type anytype for different types of values in the same context as it becomes "typed" after the first assignment.

See also \Classes\SysConsistencyCheck\kernelCheckRecord

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