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Avoid "NullValue" from appearing in a non-required parameter list [message #1417361]

Fri, 05 September 2014 08:58

RUSSELL NILE

Messages: 17
Registered: June 2014

Junior Member

I have a list where I want to allow the user to NOT select an item and for us to assume that means "Everything". I set it to be not required and the "NullValue" appears (which I can use as a wildcard). When I set it as required then the NullValue disappears, but I can't leave the selection empty to avoid the wildcard.

I tried to add a "-1" as a default value, which works the first time through, but that item disappears every time I change the parent CascadingParameter.

For example; In the cascading parameter group I have "State" and "County". I want to allow them to choose every County by just not selecting one. Every time I change the State the default value of "-1" disappears.

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