Page.RaisePostBackEvent(IPostBackEventHandler, String) Metode

Definisi

Ruang nama:

System.Web.UI

Rakitan:

System.Web.dll

Memberi tahu kontrol server yang menyebabkan postback bahwa server harus menangani peristiwa postback masuk.

protected:
 virtual void RaisePostBackEvent(System::Web::UI::IPostBackEventHandler ^ sourceControl, System::String ^ eventArgument);

protected virtual void RaisePostBackEvent (System.Web.UI.IPostBackEventHandler sourceControl, string eventArgument);

abstract member RaisePostBackEvent : System.Web.UI.IPostBackEventHandler * string -> unit
override this.RaisePostBackEvent : System.Web.UI.IPostBackEventHandler * string -> unit

Protected Overridable Sub RaisePostBackEvent (sourceControl As IPostBackEventHandler, eventArgument As String)

Parameter

sourceControl

IPostBackEventHandler

Kontrol server ASP.NET yang menyebabkan postback. Kontrol ini harus mengimplementasikan IPostBackEventHandler antarmuka.

eventArgument

String

Argumen postback.

Contoh

Contoh berikut menggunakan metode untuk memberi tahu ASP.NET bahwa peristiwa pasca-kembali RaisePostBackEvent dinaikkan saat kontrol server kustom userButton diklik.

void DisplayUserName(Object sender, EventArgs ea) 
{
   Response.Write("Welcome to " + Server.HtmlEncode(userName.Text));
}
void RaiseEvent(Object sender, EventArgs ea)
{
   // Raise a post back event for a control.
   this.RaisePostBackEvent(userButton, "");
}
void Page_Load(Object sender, EventArgs ea)
{
   // Register a control as one that requires postback handling.
   this.RegisterRequiresRaiseEvent(userButton);
}

    Sub DisplayUserName(Sender As Object, e As EventArgs) 
       Response.Write("Welcome to " + Server.HtmlEncode(userName.Text))
    End Sub

   Sub MyRaiseEvent(Sender As Object, e As EventArgs)
       'Raises a post back event for a control.
        Me.RaisePostBackEvent(userButton, "")
   End Sub 
    
    Sub Page_Load(Sender As Object, e As EventArgs)

      'Registers a control as one that requires postback handling
      Me.RegisterRequiresRaiseEvent(userButton)
  End Sub

Keterangan

Objek Page memanggil RaisePostBackEvent metode ketika postback terjadi. Panggilan ini terjadi dalam siklus hidup halaman setelah memuat dan mengubah pemberitahuan selesai tetapi sebelum pra-penyajian terjadi.

Lihat juga

• IPostBackEventHandler
• Pengantar Siklus Hidup Halaman ASP.NET
• Model Peristiwa Kontrol Server ASP.NET