Page.GetPostBackEventReference Método
Definição
Importante
Algumas informações se referem a produtos de pré-lançamento que podem ser substancialmente modificados antes do lançamento. A Microsoft não oferece garantias, expressas ou implícitas, das informações aqui fornecidas.
Retorna uma cadeia de caracteres que pode ser usada em um evento de cliente para fazer postback no servidor. Esse método foi substituído. Use o GetPostBackEventReference método na classe ClientScriptManager em vez disso.
Sobrecargas
GetPostBackEventReference(Control) |
Obsoleto.
Retorna uma cadeia de caracteres que pode ser usada em um evento de cliente para fazer postback no servidor. A cadeia de caracteres de referência é definida pelo objeto Control especificado. |
GetPostBackEventReference(Control, String) |
Obsoleto.
Retorna uma cadeia de caracteres que pode ser usada em um evento de cliente para fazer postback no servidor. A cadeia de caracteres de referência é definida pelo controle especificado que manipula o postback e um argumento de cadeia de caracteres de informações de evento adicionais. |
GetPostBackEventReference(Control)
Cuidado
The recommended alternative is ClientScript.GetPostBackEventReference. http://go.microsoft.com/fwlink/?linkid=14202
Retorna uma cadeia de caracteres que pode ser usada em um evento de cliente para fazer postback no servidor. A cadeia de caracteres de referência é definida pelo objeto Control especificado.
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
Parâmetros
- control
- Control
O controle de servidor para processar o postback no servidor.
Retornos
Uma cadeia de caracteres que, quando tratada como script no cliente, inicia o postback.
- Atributos
Exemplos
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
Comentários
Esse método foi substituído. Use o GetPostBackEventReference método na classe ClientScriptManager em vez disso.
Confira também
Aplica-se a
GetPostBackEventReference(Control, String)
Cuidado
The recommended alternative is ClientScript.GetPostBackEventReference. http://go.microsoft.com/fwlink/?linkid=14202
Retorna uma cadeia de caracteres que pode ser usada em um evento de cliente para fazer postback no servidor. A cadeia de caracteres de referência é definida pelo controle especificado que manipula o postback e um argumento de cadeia de caracteres de informações de evento adicionais.
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
Parâmetros
- control
- Control
O controle de servidor para processar o postback.
- argument
- String
O parâmetro passado para o controle de servidor.
Retornos
Uma cadeia de caracteres que, quando tratada como script no cliente, inicia o postback.
- Atributos
Exemplos
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
Comentários
Esse método foi substituído. Use o GetPostBackEventReference método na classe ClientScriptManager em vez disso.