Make (Select All) as default value in parameter

Dear Anyone,
Does anyone know how to Make (Select All) as default value in parameter selection on a multi-select parameter?

thanks,
Joseph

If the valid values list of the multi value parameter is dataset based, you could set the default value of the parameter to the same dataset field value.

-- Robert

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We have the hotfix for the (Select All) option applied (after applying SP1).

However, when the users change another parameter filter which cascades to change to the multivalued parameter filter, the (Select All) option is not reapplied. In other words, if new entries show up in the multivalued parameters list, they are not checked by default, so some records will be missed.

What is the best way to force a (Select All) again after the user filters on another dependent parameter filter?