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Field rules in far away table

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  • gaby_h
    replied
    Re: Field rules in far away table

    Thanks Tom; I'll give it a try with a Lookup functions.

    Leave a comment:

  • Tom Cone Jr
    replied
    Re: Field rules in far away table

    Gaby, I don't think you can rely on the field rule being "aware of" the existence of linked child tables. I don't think you can simply reference a field in an external table with its name and a "->". The field rule can't see beyond it's own table.

    Having said that it's possible that one of the lookup() functions would suffice, though they can be a bit slow. The condition in your mask would be based on an expression that uses one of the Lookup() functions to retrieve a field value from an external table and then compares it to your string constant.

    Leave a comment:

  • gaby_h
    replied
    Re: Field rules in far away table

    They are all in 1toM link. See attached
    Thanks

    Leave a comment:

  • Stan Mathews
    replied
    Re: Field rules in far away table

    Though you can edit the field rules for the tables in a set as you have done, they are really only table field rules for the chosen table. The set is not "involved" in the field rule.

    I don't think the condition, child1->field = "xyz", in your conditional mask is referring to the record in child1 that you intend. I would guess that it is evaluated against the first record in the child1 table. IOW the field rule does not automatically reference the linked record in child1.

    Without knowing how child1 is linked to child2 is linked to child3 I don't know if you can successfully create an expression like

    child1->field = "xyz" .and. child1->someotherfield = somefieldinchild3

    Leave a comment:

  • gaby_h
    replied
    Re: Field rules in far away table

    Sorry for the lack of info:

    Rule: Mask

    How: I clicked on the set, then Design, then Field rules, then picked the field in Child3, then Data entry tab then used conditional Mask, and in Mask entered 000-0000-000-000 and in Condition entered: child1->field = "xyz" (in the left pane, navigated to the field in child1 and entered the condition)

    Not working: when I enter the data in the field in the emb browse on the form, the mask is not applied, as if there was no field rules.

    Leave a comment:

  • Stan Mathews
    replied
    Re: Field rules in far away table

    The more information you provide, the better answers you get.

    I have created a field rule
    What kind of field rule, how defined?

    It is not working
    Gives an error, yields the wrong result, yields no result, ....?

    Leave a comment:

  • gaby_h
    started a topic Field rules in far away table

    Field rules in far away table

    I have the following structure: Parent ----> Child1 ----> Child2 ----> Child3
    All relationships are 1 to many with ref integrity. I have created a field rule in Child3 that refers to a field in child1. It is not working; I have tried and retried and recreated the set but still not working. Is it because field rules cannot be used in far away tables or because I am doing something wrong?
    Tags: None
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