Udostępnij za pośrednictwem

Page.GetPostBackEventReference Metoda

  • Odwołanie

Definicja

Przestrzeń nazw:
System.Web.UI
Zestaw:
System.Web.dll

Zwraca ciąg, który może być używany w zdarzeniu klienta, aby spowodować powrót do serwera. Ta metoda została przestarzała. GetPostBackEventReference Zamiast tego użyj metody w ClientScriptManager klasie .

Przeciążenia

GetPostBackEventReference(Control)
Przestarzałe.

Zwraca ciąg, który może być używany w zdarzeniu klienta, aby spowodować powrót do serwera. Ciąg odwołania jest definiowany przez określony Control obiekt.
GetPostBackEventReference(Control, String)
Przestarzałe.

Zwraca ciąg, który może być używany w zdarzeniu klienta, aby spowodować powrót do serwera. Ciąg odwołania jest definiowany przez określoną kontrolkę, która obsługuje postback i argument ciągu dodatkowych informacji o zdarzeniach.

GetPostBackEventReference(Control)

Przestroga

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

Zwraca ciąg, który może być używany w zdarzeniu klienta, aby spowodować powrót do serwera. Ciąg odwołania jest definiowany przez określony Control obiekt.

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

Parametry

control
Control

Kontrola serwera w celu przetworzenia powrotu po awarii na serwerze.

Zwraca

String

Ciąg, który, gdy jest traktowany jako skrypt na kliencie, inicjuje powrót.

Atrybuty
ObsoleteAttribute

Przykłady

   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

Uwagi

Ta metoda została przestarzała. GetPostBackEventReference Zamiast tego użyj metody w ClientScriptManager klasie .

Zobacz też

Dotyczy

GetPostBackEventReference(Control, String)

Przestroga

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

Zwraca ciąg, który może być używany w zdarzeniu klienta, aby spowodować powrót do serwera. Ciąg odwołania jest definiowany przez określoną kontrolkę, która obsługuje postback i argument ciągu dodatkowych informacji o zdarzeniach.

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

Parametry

control
Control

Kontrola serwera w celu przetworzenia powrotu po awarii.

argument
String

Parametr przekazany do kontrolki serwera.

Zwraca

String

Ciąg, który, gdy jest traktowany jako skrypt na kliencie, inicjuje powrót.

Atrybuty
ObsoleteAttribute

Przykłady

   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

Uwagi

Ta metoda została przestarzała. GetPostBackEventReference Zamiast tego użyj metody w ClientScriptManager klasie .

Zobacz też

Dotyczy