Work around: Add a Text Input-control to your report. Create a parameter on this Text input (say Parameter1). Add a filter to your Dropdown-object like this: ( LowerCase('ElementName'n) Contains LowerCase('Parameter1'p) ) As the user inputs text in the Text Input-control, the possible choises in the DropDown is limited to those elements that contains the inputted text. The full list of elements is showed in the Drop Down when the TextInput is empty.
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