PostBackOptions.ActionUrl 属性

  • 参考

定义

命名空间:
System.Web.UI
程序集:
System.Web.dll

获取或设置 Web 窗体页回发的目标 URL。

public:
 property System::String ^ ActionUrl { System::String ^ get(); void set(System::String ^ value); };
public string ActionUrl { get; set; }
member this.ActionUrl : string with get, set
Public Property ActionUrl As String

属性值

String

Web 窗体页回发的 URL。 默认值为空字符串 ("")。

示例

下面的代码示例演示如何使用 ActionUrl 对象的属性 PostBackOptions 在控件上 Label 放置鼠标指针时导致跨页回发。

<%@ Page Language="C#" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<script runat="server">

  void Page_Init(object sender, EventArgs e)
  {
    
    string reference = Page.ClientScript.GetPostBackEventReference
      (new PostBackOptions(this, "", "http://www.wingtiptoys.com", false, true, false, true, false, ""));
    Label1.Attributes.Add("onmouseover", reference);
    
  } 

</script>

<html xmlns="http://www.w3.org/1999/xhtml" >
  <head runat="server">
    <title>ActionUrl Example Page</title>
  </head>
  <body>
    <form id="form1" runat="server">
      <h3>PostBackOptions ActionUrl Example</h3>
      <asp:Label runat="server" 
        id="Label1" >
        Placing the mouse pointer on this label will cause a cross-page post to occur.
      </asp:Label>
    </form>
  </body>
</html>

<%@ Page Language="VB" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<script runat="server">
  
  Sub Page_Init(ByVal sender As Object, ByVal e As EventArgs)
    
    Dim reference As String = Page.ClientScript.GetPostBackEventReference _
      (New PostBackOptions(Me, "", "http://www.wingtiptoys.com", False, True, False, True, False, ""))
    Label1.Attributes.Add("onmouseover", reference)
    
  End Sub

</script>

<html xmlns="http://www.w3.org/1999/xhtml" >
  <head id="Head1" runat="server">
    <title>ActionUrl Example Page</title>
  </head>
  <body>
    <form id="form1" runat="server">
      <h3>PostBackOptions ActionUrl Example</h3>
      <asp:Label runat="server" 
        id="Label1" >
        Placing the mouse pointer on this label will cause a cross-page post to occur.
      </asp:Label>
    </form>
  </body>
</html>

注解

ActionUrl类的属性PostBackOptions指定Web Forms页的属性的 URLaction。 该ActionUrl属性可用于指定要将数据发回哪个Web Forms页面，从而导致跨页发布。 有关跨页发布的详细信息，请参阅 ASP.NET Web Forms中的跨页发布。

适用于

另请参阅