Control.Page 属性

public:
 virtual property System::Web::UI::Page ^ Page { System::Web::UI::Page ^ get(); void set(System::Web::UI::Page ^ value); };

[System.ComponentModel.Browsable(false)]
public virtual System.Web.UI.Page Page { get; set; }

[System.ComponentModel.Browsable(false)]
[System.ComponentModel.Bindable(false)]
public virtual System.Web.UI.Page Page { get; set; }

[<System.ComponentModel.Browsable(false)>]
member this.Page : System.Web.UI.Page with get, set

[<System.ComponentModel.Browsable(false)>]
[<System.ComponentModel.Bindable(false)>]
member this.Page : System.Web.UI.Page with get, set

Public Overridable Property Page As Page

属性值

Page包含服务器控件的实例。

属性

BrowsableAttribute BindableAttribute

例外

示例

以下示例重写 Control.Render 该方法。 它使用该 Page 属性访问 Page.IsPostBack 该属性，并确定包含此控件的页面是首次加载还是回发的结果。

protected override void Render(HtmlTextWriter output) 
 {
   output.Write("Welcome to Control Development!<br>");

      // Test if the page is loaded for the first time
      if (!Page.IsPostBack)
          output.Write("Page has just been loaded");
     else
          output.Write("Postback has occurred");
 }

Protected Overrides Sub Render(output As HtmlTextWriter)
   output.Write("Welcome to Control Development!<br>")
   
   ' Test if the page is loaded for the first time
   If Not Page.IsPostBack Then
      output.Write("Page has just been loaded")
   Else
      output.Write("Postback has occurred")
   End If
End Sub 

注解

此属性的值反映包含服务器控件的.aspx文件的名称。

另请参阅

• Page