DataGridViewColumnCollection.Clear Method ()

 

Clears the collection.

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

public virtual void Clear()

Exception Condition
InvalidOperationException

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:

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();
}

.NET Framework
Available since 2.0
Return to top
Show: