Control.OnInit(EventArgs) Method

Definition

Namespace:
System.Web.UI
Assembly:
System.Web.dll

Löst das Init-Ereignis aus.Raises the Init event.

protected:
 virtual void OnInit(EventArgs ^ e);
protected public:
 virtual void OnInit(EventArgs ^ e);
protected virtual void OnInit (EventArgs e);
protected internal virtual void OnInit (EventArgs e);
abstract member OnInit : EventArgs -> unit
override this.OnInit : EventArgs -> unit
Protected Overridable Sub OnInit (e As EventArgs)
Protected Friend Overridable Sub OnInit (e As EventArgs)

Parameters

e
EventArgs

Ein EventArgs-Objekt, das die Ereignisdaten enthält.An EventArgs object that contains the event data.

Examples

// Override the OnInit method to set _text to
// a default value if it is null.
[System.Security.Permissions.PermissionSet
    (System.Security.Permissions.SecurityAction.Demand, 
     Name="FullTrust")] 
protected override void OnInit(EventArgs e)
{
   base.OnInit(e);
   if ( _text == null)
        _text = "Here is some default text.";
}

' Override the OnInit method to set _text to 
' a default value if it is null.
<System.Security.Permissions.PermissionSetAttribute( _
  System.Security.Permissions.SecurityAction.Demand, _
    Name:="FullTrust")> _
Protected Overrides Sub OnInit(ByVal e As EventArgs)
    MyBase.OnInit(e)
    If _text Is Nothing Then
        _text = "Here is some default text."
    End If
End Sub

Remarks

ASP.NET ruft diese Methode auf, um das Init-Ereignis zu erhöhen.ASP.NET calls this method to raise the Init event. Wenn Sie ein benutzerdefiniertes Steuerelement entwickeln, können Sie diese Methode überschreiben, um zusätzliche Verarbeitung bereitzustellen.If you are developing a custom control, you can override this method in order to provide additional processing. Wenn Sie diese Methode überschreiben, wenden Sie die OnInit-Methode des Basis Steuer Elements an, um Abonnenten über das Ereignis zu benachrichtigen.If you override this method, call the base control's OnInit method to notify subscribers to the event.

Applies to

See also