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DataGridView.SelectAll Method

Selects all the cells in the DataGridView.

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

public void SelectAll()

When the DataGridView is in column-selection mode and this method is called, each column's Selected property is set to true, and each row's Selected property is set to false.

Conversely, when the DataGridView is in row-selection mode and this method is called, each row's Selected property is set to true, and each column's Selected property is set to false.

The following code example demonstrates the use of the SelectAll method. To run this example, paste the code into a form that contains a DataGridView named dataGridView1 and a Button named selectAllButton, and ensure all events are associated with their event handlers.

private void selectAllButton_Click(object sender, EventArgs e)
{
    dataGridView1.SelectAll();
}

.NET Framework

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

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

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

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