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GB3 validation rule on parent object field to make child field not editable
How can I make a child object field non-editable / disabled if a field in the parent object is a particular value?
For example, if the "Product" in the master object (Order) is "Product ABC", then I want the "Expedite" field in the child object (order detail) to be non-editable (ideally, the field would be grayed out / disabled).
Below is my attempt, however, it is still letting me edit the child field:
AND(
Order.Product__c = "Product ABC", ISCHANGED(Expedite__c)
)
For example, if the "Product" in the master object (Order) is "Product ABC", then I want the "Expedite" field in the child object (order detail) to be non-editable (ideally, the field would be grayed out / disabled).
Below is my attempt, however, it is still letting me edit the child field:
AND(
Order.Product__c = "Product ABC", ISCHANGED(Expedite__c)
)
You can able to the edit the value but you cannt able to save the valie becasue your validation rule is going to fire and prevent from the savng