DataGrid.BackButtonClick Evento
Definição
Ocorre quando o botão Back em uma tabela filho é clicado.Occurs when the Back button on a child table is clicked.
public:
event EventHandler ^ BackButtonClick;
public event EventHandler BackButtonClick;
member this.BackButtonClick : EventHandler
Public Custom Event BackButtonClick As EventHandler
Tipo de evento
Exemplos
O exemplo de código a seguir adiciona um manipulador de eventos para o BackButtonClick evento.The following code example adds an event handler for the BackButtonClick event.
// Create an instance of the 'BackButtonClick' EventHandler.
private:
void CallBackButtonClick()
{
myDataGrid->BackButtonClick += gcnew EventHandler( this, &MyDataGrid::Grid_BackClick );
}
// Raise the event when 'BackButton' on child table is clicked.
void Grid_BackClick( Object^ /*sender*/, EventArgs^ /*e*/ )
{
// String variable used to show message.
String^ myString = "BackButtonClick event raised, showing parent table";
// Show information about Back button.
MessageBox::Show( myString, "Back button information" );
}
// Create an instance of the 'BackButtonClick' EventHandler.
private void CallBackButtonClick()
{
myDataGrid.BackButtonClick += new EventHandler(Grid_BackClick);
}
// Raise the event when 'BackButton' on child table is clicked.
private void Grid_BackClick(object sender, EventArgs e)
{
// String variable used to show message.
string myString = "BackButtonClick event raised, showing parent table";
// Show information about Back button.
MessageBox.Show(myString, "Back button information");
}
' Create an instance of the 'BackButtonClick' EventHandler.
Private Sub CallBackButtonClick()
AddHandler myDataGrid.BackButtonClick, AddressOf Grid_BackClick
End Sub
' Raise the event when 'BackButton' on child table is clicked.
Private Sub Grid_BackClick(ByVal sender As Object, ByVal e As EventArgs)
' String variable used to show message.
Dim myString As String = "BackButtonClick event raised, showing parent table"
' Show information about Back button.
MessageBox.Show(myString, "Back button information")
End Sub
Comentários
O Back botão torna-se visível quando uma tabela filho é exibida.The Back button becomes visible when a child table is displayed. Clicar no botão fará com que a grade exiba a tabela pai.Clicking the button will cause the grid to display the parent table.