Page.GetPostBackEventReference Page.GetPostBackEventReference Page.GetPostBackEventReference Method

Definición

Devuelve una cadena que se puede utilizar en un evento de cliente para que se produzca un postback al servidor.Returns a string that can be used in a client event to cause postback to the server. Este método está en desuso.This method has been deprecated. Por ello, utilice el método GetPostBackEventReference en la clase ClientScriptManager.Use the GetPostBackEventReference method in the ClientScriptManager class instead.

Sobrecargas

GetPostBackEventReference(Control) GetPostBackEventReference(Control) GetPostBackEventReference(Control)

Devuelve una cadena que se puede utilizar en un evento de cliente para que se produzca un postback al servidor.Returns a string that can be used in a client event to cause postback to the server. El objeto Control especificado define la cadena de referencia.The reference string is defined by the specified Control object.

GetPostBackEventReference(Control, String) GetPostBackEventReference(Control, String) GetPostBackEventReference(Control, String)

Devuelve una cadena que se puede utilizar en un evento de cliente para que se produzca un postback al servidor.Returns a string that can be used in a client event to cause postback to the server. El control especificado para controlar el postback y un argumento de cadena con información adicional sobre el evento definen la cadena de referencia.The reference string is defined by the specified control that handles the postback and a string argument of additional event information.

GetPostBackEventReference(Control) GetPostBackEventReference(Control) GetPostBackEventReference(Control)

Advertencia

Esta API está ya obsoleta.

Devuelve una cadena que se puede utilizar en un evento de cliente para que se produzca un postback al servidor.Returns a string that can be used in a client event to cause postback to the server. El objeto Control especificado define la cadena de referencia.The reference string is defined by the specified Control object.

public:
 System::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

Parámetros

control
Control Control Control

Control de servidor que procesará los datos devueltos en el servidor.The server control to process the postback on the server.

Devoluciones

Cadena que, cuando se trata como script en el cliente, inicia el postback.A string that, when treated as script on the client, initiates the postback.

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 'RaisePostBackEvent
    
    <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 'Render
 End Class 'MyControl1

Comentarios

Este método está en desuso.This method has been deprecated. Por ello, utilice el método GetPostBackEventReference en la clase ClientScriptManager.Use the GetPostBackEventReference method in the ClientScriptManager class instead.

Consulte también:

GetPostBackEventReference(Control, String) GetPostBackEventReference(Control, String) GetPostBackEventReference(Control, String)

Advertencia

Esta API está ya obsoleta.

Devuelve una cadena que se puede utilizar en un evento de cliente para que se produzca un postback al servidor.Returns a string that can be used in a client event to cause postback to the server. El control especificado para controlar el postback y un argumento de cadena con información adicional sobre el evento definen la cadena de referencia.The reference string is defined by the specified control that handles the postback and a string argument of additional event information.

public:
 System::String ^ GetPostBackEventReference(System::Web::UI::Control ^ control, System::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

Parámetros

control
Control Control Control

Control de servidor que va a procesar el valor devuelto.The server control to process the postback.

argument
String String String

Parámetro pasado al control de servidor.The parameter passed to the server control.

Devoluciones

Cadena que, cuando se trata como script en el cliente, inicia el postback.A string that, when treated as script on the client, initiates the postback.

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 'RaisePostBackEvent
    
    <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 'Render
 End Class 'MyControl

Comentarios

Este método está en desuso.This method has been deprecated. Por ello, utilice el método GetPostBackEventReference en la clase ClientScriptManager.Use the GetPostBackEventReference method in the ClientScriptManager class instead.

Consulte también:

Se aplica a