Multi-Column ComboBox Controls for Winforms [closed]

Answer 1

Controls from other answers and those which I found myself
DevExpress - GridLookUpEdit

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DevExpress - LookUpEdit

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Infragistics - WinCombo

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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

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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

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Binary Mission - Advanced ComboBox .NET

Answer 2

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

Answer 3

We use Devexpress controls. But they are not free.

Answer 4

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

Answer 5

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