CurrencyManager.Refresh Método

Definición

Hace que la lista enlazada a datos vuelva a rellenarse.Forces a repopulation of the data-bound list.

public:
 void Refresh();
public void Refresh ();
member this.Refresh : unit -> unit
Public Sub Refresh ()

Ejemplos

En el ejemplo de código siguiente se crea una matriz y se enlaza a un control TextBox y, a continuación, se cambia un valor.The following code example creates an array and binds it to a TextBox control, and then changes one value. Se puede llamar al método Refresh para actualizar el valor mostrado por el control TextBox.The Refresh method can be called to update the value displayed by the TextBox control.

void DemonstrateRefresh()
{
   
   // Create an array with ten elements and bind to a TextBox.
   array<String^>^myArray = gcnew array<String^>(10);
   for ( int i = 0; i < 10; i++ )
   {
      myArray[ i ] = String::Format( "item {0}", i );

   }
   textBox1->DataBindings->Add( "Text", myArray, "" );
   
   // Change one value.
   myArray[ 0 ] = "New value";
   
   // Uncomment the next line to refresh the CurrencyManager.
   // RefreshGrid(myArray);
}

void RefreshGrid( Object^ dataSource )
{
   CurrencyManager^ myCurrencyManager = dynamic_cast<CurrencyManager^>(this->BindingContext[ dataSource ]);
   myCurrencyManager->Refresh();
}

private void DemonstrateRefresh(){
    // Create an array with ten elements and bind to a TextBox.
    string[] myArray= new string[10];
    for(int i = 0; i <10; i++){
       myArray[i] = "item " + i;
    }
    textBox1.DataBindings.Add ("Text",myArray,"");
    // Change one value.
    myArray[0]= "New value";

    // Uncomment the next line to refresh the CurrencyManager.
    // RefreshGrid(myArray);
 }
 private void RefreshGrid(object dataSource){
    CurrencyManager myCurrencyManager = (CurrencyManager)this.BindingContext[dataSource];
    myCurrencyManager.Refresh();
 }
      
Private Sub DemonstrateRefresh()
    ' Create an array with ten elements and bind to a TextBox.
    Dim myArray(9) As String
    Dim i As Integer
    For i = 0 To 9
        myArray(i) = "item " & i
    Next i
    textBox1.DataBindings.Add("Text", myArray, "")
    ' Change one value.
    myArray(0) = "New value"

    ' Uncomment the next line to refresh the CurrencyManager.
    ' RefreshGrid(myArray);

End Sub

Private Sub RefreshGrid(dataSource As Object)
    Dim myCurrencyManager As CurrencyManager = CType(Me.BindingContext(dataSource), CurrencyManager)
    myCurrencyManager.Refresh()
End Sub

Comentarios

Utilice el método Refresh cuando el origen de datos no admita la notificación cuando se cambie (por ejemplo, si es un Array).Use the Refresh method when the data source does not support notification when it is changed (for example, if it is an Array).

Se aplica a

Consulte también: