aspnet-devexpress-dot-web-dot-aspxcombobox-efb1253d.md
Gets an editor’s column collection.
Namespace : DevExpress.Web
Assembly : DevExpress.Web.v25.2.dll
NuGet Package : DevExpress.Web
public ListBoxColumnCollection Columns { get; }
Public ReadOnly Property Columns As ListBoxColumnCollection
| Type | Description |
|---|---|
| ListBoxColumnCollection |
A column collection within the editor.
|
The Columns property allows you to access the editor’s column collection when the control is in data-bound mode. You can also use the index notation to add, delete, or configure columns.
<dx:ASPxComboBox ID="CmbCustomers" runat="server" DataSourceID="CustomersDataSource"
ValueField="CustomerID" ValueType="System.String" TextFormatString="{0}" EnableCallbackMode="true">
<Columns>
<dx:ListBoxColumn FieldName="ContactName" />
<!--...-->
</Columns>
</dx:ASPxComboBox>
Run Demo: ASPxComboBox - Multi-Column ModeView Example: Combo Box for ASP.NET Web Forms - How to get hidden column values on the client
See Also