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Page.GetPostBackEventReference Methode

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Definition

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

Gibt eine Zeichenfolge zurück, die in einem Clientereignis zum Auslösen eines Postbacks an den Server verwendet werden kann. Diese Methode ist veraltet. Verwenden Sie stattdessen die GetPostBackEventReference-Methode in der ClientScriptManager-Klasse.

Überlädt

GetPostBackEventReference(Control)
Veraltet.

Gibt eine Zeichenfolge zurück, die in einem Clientereignis zum Auslösen eines Postbacks an den Server verwendet werden kann. Die Verweiszeichenfolge wird vom angegebenen Control-Objekt definiert.
GetPostBackEventReference(Control, String)
Veraltet.

Gibt eine Zeichenfolge zurück, die in einem Clientereignis zum Auslösen eines Postbacks an den Server verwendet werden kann. Die Verweiszeichenfolge wird durch das angegebene Steuerelement definiert, das das Postback behandelt, und einem Zeichenfolgenargument mit weiteren Ereignisinformationen.

GetPostBackEventReference(Control)

Achtung

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

Gibt eine Zeichenfolge zurück, die in einem Clientereignis zum Auslösen eines Postbacks an den Server verwendet werden kann. Die Verweiszeichenfolge wird vom angegebenen Control-Objekt definiert.

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

Parameter

control
Control

Das Serversteuerelement, das das Postback auf dem Server verarbeiten soll.

Gibt zurück

String

Eine Zeichenfolge, die das Postback initiiert, wenn sie auf dem Client als Skript behandelt wird.

Attribute
ObsoleteAttribute

Beispiele

   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

Hinweise

Diese Methode ist veraltet. Verwenden Sie stattdessen die GetPostBackEventReference-Methode in der ClientScriptManager-Klasse.

Weitere Informationen

Gilt für:

GetPostBackEventReference(Control, String)

Achtung

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

Gibt eine Zeichenfolge zurück, die in einem Clientereignis zum Auslösen eines Postbacks an den Server verwendet werden kann. Die Verweiszeichenfolge wird durch das angegebene Steuerelement definiert, das das Postback behandelt, und einem Zeichenfolgenargument mit weiteren Ereignisinformationen.

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

Parameter

control
Control

Das Serversteuerelement, das das Postback verarbeiten soll.

argument
String

Der an das Serversteuerelement übergebene Parameter.

Gibt zurück

String

Eine Zeichenfolge, die das Postback initiiert, wenn sie auf dem Client als Skript behandelt wird.

Attribute
ObsoleteAttribute

Beispiele

   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

Hinweise

Diese Methode ist veraltet. Verwenden Sie stattdessen die GetPostBackEventReference-Methode in der ClientScriptManager-Klasse.

Weitere Informationen

Gilt für: