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Count List selection Items


i want to count the items which is showing up in detail screen. I have list selection edit type in my detail screen. I am populating the data in the control using Complex table, i have include rule on this list selction which will include only items which met some specific criteria. Now on this transaction i want to write an validation rule which will check if the list selection is only having one item then show user an alert message. I want to know can we count list times associated with list selection in validation rule.

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1 Answer

  • Posted on Jul 14, 2015 at 09:02 AM


    Use same rule that you are using for source of that List selection in validation rule but in boolean context.

    Your rule should look like following,

    and since its been called in boolean context following rule should also work...

    Let me know how this works for you,



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