The MultiColumn ComboBox is always selecting a value after data is added to it. Is it possible to have it work almost exactly the same as the DropDownList?
For i As Integer = 1 To 12
Me.MultiColumnComboBox1.EditorControl.Rows.Add(i, "Row " & i)
Me.RadDropDownList1.Items.Add(i)
Next
2 Answers, 1 is accepted
0
cuong
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answered on 11 Sep 2019, 04:57 PM
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.
0
Hello, Cuong,
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.
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.
Regards,
Dess | Tech Support Engineer, Sr.
Progress Telerik
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