Page.GetPostBackEventReference 方法
定義
重要
部分資訊涉及發行前產品,在發行之前可能會有大幅修改。 Microsoft 對此處提供的資訊,不做任何明確或隱含的瑕疵擔保。
傳回字串,該字串可用於用戶端事件中造成回傳給伺服器。 這個方法已被取代。 請改用 GetPostBackEventReference 類別中的 ClientScriptManager 方法。
多載
GetPostBackEventReference(Control) |
已過時。
傳回字串,該字串可用於用戶端事件中造成回傳給伺服器。 指定的 Control 物件會定義參考字串。 |
GetPostBackEventReference(Control, String) |
已過時。
傳回字串,該字串可用於用戶端事件中造成回傳給伺服器。 參考字串是由處理回傳的指定控制項和其他事件資訊的字串引數所定義。 |
GetPostBackEventReference(Control)
警告
The recommended alternative is ClientScript.GetPostBackEventReference. http://go.microsoft.com/fwlink/?linkid=14202
傳回字串,該字串可用於用戶端事件中造成回傳給伺服器。 指定的 Control 物件會定義參考字串。
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
參數
- control
- Control
在伺服器上處理回傳的伺服器控制項。
傳回
視為用戶端上的指令碼時,啟始回傳的字串。
- 屬性
範例
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
備註
這個方法已被取代。 請改用 GetPostBackEventReference 類別中的 ClientScriptManager 方法。
另請參閱
適用於
GetPostBackEventReference(Control, String)
警告
The recommended alternative is ClientScript.GetPostBackEventReference. http://go.microsoft.com/fwlink/?linkid=14202
傳回字串,該字串可用於用戶端事件中造成回傳給伺服器。 參考字串是由處理回傳的指定控制項和其他事件資訊的字串引數所定義。
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
參數
- control
- Control
用來處理回傳的伺服器控制項。
- argument
- String
傳遞給伺服器控制項的參數。
傳回
視為用戶端上的指令碼時,啟始回傳的字串。
- 屬性
範例
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
備註
這個方法已被取代。 請改用 GetPostBackEventReference 類別中的 ClientScriptManager 方法。