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Page.GetPostBackEventReference Método

  • Referencia

Definición

Espacio de nombres:
System.Web.UI
Ensamblado:
System.Web.dll

Devuelve una cadena que se puede utilizar en un evento de cliente para que se produzca un postback al servidor. Este método está en desuso. Por ello, utilice el método GetPostBackEventReference en la clase ClientScriptManager.

Sobrecargas

GetPostBackEventReference(Control)
Obsoletos.

Devuelve una cadena que se puede utilizar en un evento de cliente para que se produzca un postback al servidor. El objeto Control especificado define la cadena de referencia.
GetPostBackEventReference(Control, String)
Obsoletos.

Devuelve una cadena que se puede utilizar en un evento de cliente para que se produzca un postback al servidor. El control especificado para controlar el postback y un argumento de cadena con información adicional sobre el evento definen la cadena de referencia.

GetPostBackEventReference(Control)

Precaución

The recommended alternative is ClientScript.GetPostBackEventReference. http://go.microsoft.com/fwlink/?linkid=14202

Devuelve una cadena que se puede utilizar en un evento de cliente para que se produzca un postback al servidor. El objeto Control especificado define la cadena de referencia.

public:
 System::String ^ GetPostBackEventReference(System::Web::UI::Control ^ control);
public string GetPostBackEventReference (System.Web.UI.Control control);
[System.Obsolete("The recommended alternative is ClientScript.GetPostBackEventReference. http://go.microsoft.com/fwlink/?linkid=14202")]
public string GetPostBackEventReference (System.Web.UI.Control control);
member this.GetPostBackEventReference : System.Web.UI.Control -> string
[<System.Obsolete("The recommended alternative is ClientScript.GetPostBackEventReference. http://go.microsoft.com/fwlink/?linkid=14202")>]
member this.GetPostBackEventReference : System.Web.UI.Control -> string
Public Function GetPostBackEventReference (control As Control) As String

Parámetros

control
Control

Control de servidor que procesará los datos devueltos en el servidor.

Devoluciones

String

Cadena que, cuando se trata como script en el cliente, inicia el postback.

Atributos
ObsoleteAttribute

Ejemplos

   public class MyControl1 : Control, IPostBackEventHandler
   {
      // Create an integer property that is displayed when
      // the page that contains this control is requested
      // and save it to the control's ViewState property.
      public int Number
      {
        get
        {
          if ( ViewState["Number"] !=null )
          return (int) ViewState["Number"];
          return 50;
        }

        set
        {
          ViewState["Number"] = value;
        }        
      }

      // Implement the RaisePostBackEvent method from the
      // IPostBackEventHandler interface. If 'inc' is passed
      // to this method, it increases the Number property by one.
      public void RaisePostBackEvent(string eventArgument)
      {
        Number = Number + 1;
      }

[System.Security.Permissions.PermissionSet(System.Security.Permissions.SecurityAction.Demand, Name="FullTrust")]
      protected override void Render(HtmlTextWriter writer)
      {
        // Converts the Number property to a string and
    // writes it to the containing page.
        writer.Write("The Number is " + Number.ToString() + " (" );

    // Uses the GetPostBackEventReference method to pass
    // 'inc' to the RaisePostBackEvent method when the link
    // this code creates is clicked.
        writer.Write("<a href=\"javascript:" + Page.GetPostBackEventReference(this) + "\">Increase Number</a>");
      }
   }

Public Class MyControl1
   Inherits Control
   Implements IPostBackEventHandler 
   
   ' Create an integer property that is displayed when
   ' the page that contains this control is requested
   ' and save it to the control's ViewState property.
   Public Property Number() As Integer
      Get
         If Not (ViewState("Number") Is Nothing) Then
            Return CInt(ViewState("Number"))
         End If
         Return 50
      End Get
      
      Set
         ViewState("Number") = value
      End Set
   End Property
   

   ' Implement the RaisePostBackEvent method from the
   ' IPostBackEventHandler interface. If inc is passed
   ' to this method, it increases the Number property by one.      
   Public Sub RaisePostBackEvent(eventArgument As String) Implements IPostBackEventHandler.RaisePostBackEvent

      Number = Number + 1
   End Sub
   
   <System.Security.Permissions.PermissionSetAttribute(System.Security.Permissions.SecurityAction.Demand, Name:="FullTrust")> _
   Protected Overrides Sub Render(writer As HtmlTextWriter)
      ' Converts the Number property to a string and
  ' writes it to the containing page.
      writer.Write(("The Number is " + Number.ToString() + " ("))

  ' Uses the GetPostBackEventReference method to pass
  ' inc to the RaisePostBackEvent method when the link
  ' this code creates is clicked.         
      writer.Write(("<a href=""javascript:" + Page.GetPostBackEventReference(Me) + """>Increase Number</a>"))
   End Sub
End Class

Comentarios

Este método está en desuso. Por ello, utilice el método GetPostBackEventReference en la clase ClientScriptManager.

Consulte también

Se aplica a

GetPostBackEventReference(Control, String)

Precaución

The recommended alternative is ClientScript.GetPostBackEventReference. http://go.microsoft.com/fwlink/?linkid=14202

Devuelve una cadena que se puede utilizar en un evento de cliente para que se produzca un postback al servidor. El control especificado para controlar el postback y un argumento de cadena con información adicional sobre el evento definen la cadena de referencia.

public:
 System::String ^ GetPostBackEventReference(System::Web::UI::Control ^ control, System::String ^ argument);
public string GetPostBackEventReference (System.Web.UI.Control control, string argument);
[System.Obsolete("The recommended alternative is ClientScript.GetPostBackEventReference. http://go.microsoft.com/fwlink/?linkid=14202")]
public string GetPostBackEventReference (System.Web.UI.Control control, string argument);
member this.GetPostBackEventReference : System.Web.UI.Control * string -> string
[<System.Obsolete("The recommended alternative is ClientScript.GetPostBackEventReference. http://go.microsoft.com/fwlink/?linkid=14202")>]
member this.GetPostBackEventReference : System.Web.UI.Control * string -> string
Public Function GetPostBackEventReference (control As Control, argument As String) As String

Parámetros

control
Control

Control de servidor que va a procesar el valor devuelto.

argument
String

Parámetro pasado al control de servidor.

Devoluciones

String

Cadena que, cuando se trata como script en el cliente, inicia el postback.

Atributos
ObsoleteAttribute

Ejemplos

   public class MyControl : Control, IPostBackEventHandler
   {
      
      // Create an integer property that is displayed when
      // the page that contains this control is requested
      // and save it to the control's ViewState property.
      public int Number
      {
        get
        {
          if ( ViewState["Number"] !=null )
             return (int) ViewState["Number"];
          return 50;
        }

        set
        {
          ViewState["Number"] = value;
        }        
      }

      // Implement the RaisePostBackEvent method from the
      // IPostBackEventHandler interface. If 'inc' is passed
      // to this method, it increases the Number property by one.
      // If 'dec' is passed to this method, it decreases the
      // Number property by one.
      public void RaisePostBackEvent(string eventArgument)
      {
        if ( eventArgument == "inc" )
        Number = Number + 1;

        if ( eventArgument == "dec" )
        Number = Number - 1;
      }

[System.Security.Permissions.PermissionSet(System.Security.Permissions.SecurityAction.Demand, Name="FullTrust")]
      protected override void Render(HtmlTextWriter writer)
      {
        // Converts the Number property to a string and
    // writes it to the containing page.
        writer.Write("The Number is " + Number.ToString() + " (" );

    // Uses the GetPostBackEventReference method to pass
    // 'inc' to the RaisePostBackEvent method when the link
    // this code creates is clicked.
        writer.Write("<a href=\"javascript:" + Page.GetPostBackEventReference(this,"inc") + "\">Increase Number</a>"); 

        writer.Write(" or ");

    // Uses the GetPostBackEventReference method to pass
    // 'dec' to the RaisePostBackEvent method when the link
    // this code creates is clicked.
        writer.Write("<a href=\"javascript:" + Page.GetPostBackEventReference(this,"dec") + "\">Decrease Number</a>");
      }
   }

Public Class MyControl
   Inherits Control
   Implements IPostBackEventHandler

   ' Create an integer property that is displayed when
   ' the page that contains this control is requested
   ' and save it to the control's ViewState property.      
   Public Property Number() As Integer
      Get
         If Not (ViewState("Number") Is Nothing) Then
            Return CInt(ViewState("Number"))
         End If
         Return 50
      End Get
      
      Set
         ViewState("Number") = value
      End Set
   End Property      
   
   ' Implement the RaisePostBackEvent method from the
   ' IPostBackEventHandler interface. If inc is passed
   ' to this method, it increases the Number property by one.
   ' If dec is passed to this method, it decreases the
   ' Number property by one.
   Sub RaisePostBackEvent(eventArgument As String) Implements IPostBackEventHandler.RaisePostBackEvent

      If eventArgument = "inc" Then
         Number = Number + 1
      End If 
      If eventArgument = "dec" Then
         Number = Number - 1
      End If
   End Sub
   
   <System.Security.Permissions.PermissionSetAttribute(System.Security.Permissions.SecurityAction.Demand, Name:="FullTrust")> _ 
   Protected Overrides Sub Render(writer As HtmlTextWriter)
      ' Converts the Number property to a string and
  ' writes it to the containing page.
      writer.Write(("The Number is " + Number.ToString() + " ("))
      
  ' Uses the GetPostBackEventReference method to pass
  ' inc to the RaisePostBackEvent method when the link
  ' this code creates is clicked.
      writer.Write(("<a href=""javascript:" + Page.GetPostBackEventReference(Me, "inc") + """>Increase Number</a>"))
      
      writer.Write(" or ")

  ' Uses the GetPostBackEventReference method to pass
  ' dec to the RaisePostBackEvent method when the link
  ' this code creates is clicked.         
      writer.Write(("<a href=""javascript:" + Page.GetPostBackEventReference(Me, "dec") + """>Decrease Number</a>"))
   End Sub
End Class

Comentarios

Este método está en desuso. Por ello, utilice el método GetPostBackEventReference en la clase ClientScriptManager.

Consulte también

Se aplica a