Sorry, I forgot to include some extra information.
Why do I want it to behave like the DropDownList and not have anything selected?
Because I use the the event: SelectedIndexChanged to do some extra checking and selection. If the MultiColumnDropdown automatically selects a value, that messes up everything.
Dess | Tech Support Engineer, Principal
answered on 12 Sep 2019, 12:08 PM
Note that RadMultiColumnComboBox internally uses a RadGridView for displaying the records in the popup. When a new row is added, it gets selected. This behavior can be controlled by the RadMultiColumnComboBox.EditorControl.MasterTemplate.SelectLastAddedRow property which is set to true by default. If you want to skip the selection changing while adding rows, feel free to set it to false.
I hope this information helps. If you need any further assistance please don't hesitate to contact me.
Dess | Tech Support Engineer, Sr.
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