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GridView.CreateColumns Method

Creates the set of column fields used to build the control hierarchy.

Namespace:  System.Web.UI.WebControls
Assembly:  System.Web (in System.Web.dll)

'Declaration
Protected Overridable Function CreateColumns ( _
	dataSource As PagedDataSource, _
	useDataSource As Boolean _
) As ICollection

Parameters

dataSource
Type: System.Web.UI.WebControls.PagedDataSource

A PagedDataSource that represents the data source.

useDataSource
Type: System.Boolean

true to use the data source specified by the dataSource parameter; otherwise, false.

Return Value

Type: System.Collections.ICollection
A System.Collections.ICollection that contains the fields used to build the control hierarchy.

When the AutoGenerateColumns property is set to true, a bound column field is automatically created for each field in the data source. Each bound column field is then displayed as a row in the GridView control in the order that the fields appear in the data source. The CreateColumns method is used to create the automatically generated column fields.

NoteNote

This method is used primarily by control developers to extend the GridView control.

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0
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