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[ACCEPTED]-Multi-Column ComboBox Controls for Winforms-multiple-columns

Accepted answer
Score: 17

Controls from other answers and those which 1 I found myself
DevExpress - GridLookUpEdit
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DevExpress - LookUpEdit
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Infragistics - WinCombo

Syncfusion - Multi-column-combo-box
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CodeProject - Auto Complete Multi Column ComboBox
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CodeProject - Customizable ComboBox Drop-Down this one is good
enter image description here
CodeProject - Multi Column ComboBox
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CodeProject - Flat-MultiColumn Combobox with Autocomplete
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CodeProject - Multicolumn Combobox with Additional Format Conditions
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CodeProject - Searchable MultiColumn ComboBox with Linked TextBox
enter image description here
Binary Mission - Advanced ComboBox .NET
enter image description here
Score: 2

The basic technique is same: to show multi-column 3 structure (grid or listview etc. in drop 2 down). Here is nice example on CodeProject which can 1 get you started into it.

Score: 1

It's not free, but http://www.infragistics.com makes a bunch of controls, one 1 of which is a multi-column combo box.

Score: 1

We use Devexpress controls. But they are not free.

0

Score: 1

Another one (not free though) is from a 1 company called "Binarymission" - www.binarymission.co.uk

Source: stackoverflow.com

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