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DataGrid.Collapse Method

Collapses child relations, if any exist for all rows, or for a specified row.

Namespace:  System.Windows.Forms
Assembly:  System.Windows.Forms (in System.Windows.Forms.dll)

public void Collapse(
	int row


Type: System.Int32
The number of the row to collapse. If set to -1, all rows are collapsed.

Use the IsExpanded method to determine if a row is expanded.

The following code example collapses all rows in the System.Windows.Forms.DataGrid control.

DataGrid1.Collapse( -1 )

.NET Framework

Supported in: 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.