Sticky filter selections in a multi-select filter

I built a multi-select filter for a data list and am having some difficulty in getting the previous selections to stay in the filter when it is re-opened for more selections or to change selections. For example, the filter I built is akin to the site filter and was looking to have my custom filter keep the selections like that one does when re-opened. Is there a way to do this?

Comments

  • @Erik Olson Someone loaded some code doing the same/similar thing to a blackbaud GitHub that you could review to try to spot what you're missing.


  • @Todd O This is actually what I used to help build it, mine is in C# though. With the assistance of my fellow developer co-worker, updating the helper class as presented in the link, to mirror (for my UI Model) the SiteHierarchyFilterHelper class in the Blackbaud.AppFx.Platform.UIModel.dll allowed for the multi-select to function as expected.


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