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I have a form where the user can choose some elements from a listbox. The elements are visible and selectable (multi selection).

In a databand, I want now to filter for those selected elements. So I go under "Filter" and insert following expression:
Requirements.Code == ListBoxControl1.SelectedItem

Now this gives me only the first selected item of the listbox, but I want that all the selected Items.

So what I need is something that gives me in the filter expression, all the selected items of the listbox.

Many thanks!

Edit: Here some screenshots to better understand.
The listbox to select my items:


The filter function of the databand (where I would like to have all selected, and not just the first):

I tried to solve this problem by filling a new variable with the content of the listbox, unfortunately it didn't worked aswell.
I'm running out of ideas...

Hello,

In this case, you can use the CheckedListBoxControl component and the following expression in filter:
CheckedListBoxControl1.Control.CheckedItems.Contains(Requirements.Code)

Thank you.

Aleksey wrote:Hello,

In this case, you can use the CheckedListBoxControl component and the following expression in filter:
CheckedListBoxControl1.Control.CheckedItems.Contains(Requirements.Code)

Thank you.

that worked perfectly, many thanks!

Hello.

We are always glad to help you.

Thank you.