Olvasás angol nyelven Szerkesztés

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DataGridViewColumnCollection.Clear Method

Definition

Clears the collection.

public virtual void Clear ();

Exceptions

The associated DataGridView control is performing one of the following actions that temporarily prevents new columns from being added:

  • Selecting all cells in the control.

  • Clearing the selection.

  • Updating column DisplayIndex property values.

-or-

This method is being called from a handler for one of the following DataGridView events:

Examples

The following code example illustrates the use of this method. This example is part of a larger example available in Column Fill Mode in the Windows Forms DataGridView Control.

private void ResetDataGridView()
{
    dataGridView1.CancelEdit();
    dataGridView1.Columns.Clear();
    dataGridView1.DataSource = null;
    InitializeDataGridView();
}

Applies to

Termék Verziók
.NET Framework 2.0, 3.0, 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1
Windows Desktop 3.0, 3.1, 5, 6, 7, 8, 9

See also