DataGrid.BackButtonClick Událost

Definice

Obor názvů:

System.Windows.Forms

Sestavení:

System.Windows.Forms.dll

Zdroj:

DataGrid.cs

Nastane při Back kliknutí na tlačítko v podřízené tabulce.

public:
 event EventHandler ^ BackButtonClick;

public event EventHandler BackButtonClick;

member this.BackButtonClick : EventHandler 

Public Custom Event BackButtonClick As EventHandler 

Event Type

EventHandler

Příklady

Následující příklad kódu přidá obslužnou rutinu BackButtonClick události pro událost.

   // 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

Poznámky

Tlačítko Back se zobrazí, když se zobrazí podřízená tabulka. Kliknutí na tlačítko způsobí, že mřížka zobrazí nadřazenou tabulku.

Viz také

• AllowNavigation