ListBoxColumnCollection.Add(String, String, Unit) Method

Creates a new column with the specified settings and adds it to the collection.

Namespace: DevExpress.Web

Assembly: DevExpress.Web.v24.1.dll

NuGet Package: DevExpress.Web

Declaration

C#

public ListBoxColumn Add(
    string fieldName,
    string caption,
    Unit width
)

VB.NET

Public Function Add(
    fieldName As String,
    caption As String,
    width As Unit
) As ListBoxColumn

Parameters

Name	Type	Description
fieldName	String	A String value that specifies the name of the associated data field. This value is assigned to the ListBoxColumn.FieldName property.
caption	String	A String value that specifies the column’s caption. This value is assigned to the WebColumnBase.Caption property.
width	Unit	A Unit that represents the column width. This value is assigned to the WebColumnBase.Width property.

Returns

Type	Description
ListBoxColumn	A ListBoxColumn object representing the newly created column.

Remarks

Use the Add method to add a new column with the specified settings to the end of the ListBoxColumnCollection object.

Note

It is not possible, for example, to modify a column collection, change items selection, or change SelectionMode on callbacks. To perform these actions on the client side, you can wrap the control with the ASPxCallbackPanel control and process a required scenario on a callback to the panel.