RowHeaderCellChanged Event
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DataGridView.RowHeaderCellChanged Event


Occurs when the user changes the contents of a row header cell.

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

public event DataGridViewRowEventHandler RowHeaderCellChanged

For more information about handling events, see NIB: Consuming Events.

The following code example demonstrates the use of this member. In the example, an event handler reports on the occurrence of the RowHeaderCellChanged event. This report helps you to learn when the event occurs and can assist you in debugging. To report on multiple events or on events that occur frequently, consider replacing MessageBox.Show with Console.WriteLine or appending the message to a multiline TextBox.

To run the example code, paste it into a project that contains an instance of type DataGridView named DataGridView1. Then ensure that the event handler is associated with the RowHeaderCellChanged event.

private void DataGridView1_RowHeaderCellChanged(Object sender, DataGridViewRowEventArgs e) {

System.Text.StringBuilder messageBoxCS = new System.Text.StringBuilder();
messageBoxCS.AppendFormat("{0} = {1}", "Row", e.Row );
MessageBox.Show(messageBoxCS.ToString(), "RowHeaderCellChanged Event" );

.NET Framework
Available since 2.0
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