Trace: • Concat Mask of Linked Cell Editor
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The linked cell editor is a combobox with a table in it. The table has one or more columns and it's possible to choose one value from the table as display value. Here's an example
The combobox is a very special control because not all GUI technologies show more than one column in a combobox. In desktop technologies like Swing, it's not a problem to show more than one column. In web technologies it's unusual to show more than one column. Usually, only one column (= display value) will be used in a combobox. Here's an example:
If you want to show multiple columns in such GUI technologies, you have to use a calculated column which concats the values of different columns in one value.