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HtmlInputHidden 建構函式

  • 參考

定義

命名空間:
System.Web.UI.HtmlControls
組件:
System.Web.dll

初始化 HtmlInputHidden 類別的新執行個體。

public:
 HtmlInputHidden();
public HtmlInputHidden ();
Public Sub New ()

範例

下列程式碼範例示範如何建立 控制項的新實例 HtmlInputHidden ，並將其放在網頁上。

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

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
   <script runat="server" >
  
      void Page_Load(Object sender, EventArgs e)
      {
         // Create a new HtmlInputHidden control.
         HtmlInputHidden hidden = new HtmlInputHidden();
         hidden.ID = "HiddenValue";
         hidden.Value = "Hidden Text";

         // Add the control to the Controls collection of the
         // PlaceHolder control.
         Place.Controls.Add(hidden);

         // Display the value of the HtmlInputHidden control.
         Message.InnerHtml = 
            "This page contains an HtmlInputHidden control that contains " +
            "the value \"" + 
            ((HtmlInputHidden)Place.FindControl("HiddenValue")).Value + "\"";
        
      }
  
   </script>
  
<head runat="server">
    <title> HtmlInputHidden Constructor Example </title>
</head>
<body>

   <form id="form1" runat="server">
  
      <h3> HtmlInputHidden Constructor Example </h3> 
  
      <asp:PlaceHolder id="Place" runat="server"/>
   
      <h5>
         <span id="Message"  
               runat="server">

         </span>
      </h5>
  
   </form>

</body>
</html>

<%@ Page Language="VB" AutoEventWireup="True" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
   <script runat="server" >
  
      Sub Page_Load(sender As Object, e As EventArgs)

         ' Create a new HtmlInputHidden control.
         Dim hidden As HtmlInputHidden = New HtmlInputHidden()
         hidden.ID = "HiddenValue"
         hidden.Value = "Hidden Text"

         ' Add the control to the Controls collection of the
         ' PlaceHolder control.
         Place.Controls.Add(hidden)

         ' Display the value of the HtmlInputHidden control.
         Message.InnerHtml = _
            "This page contains an HtmlInputHidden control that contains " & _
            "the value """ & _
            (CType(Place.FindControl("HiddenValue"), HtmlInputHidden)).Value _
            & """"
        
      End Sub
  
   </script>
  
<head runat="server">
    <title> HtmlInputHidden Constructor Example </title>
</head>
<body>

   <form id="form1" runat="server">
  
      <h3> HtmlInputHidden Constructor Example </h3> 
  
      <asp:PlaceHolder id="Place" runat="server"/>
   
      <h5>
         <span id="Message"  
               runat="server">

         </span>
      </h5>
  
   </form>

</body>
</html>

備註

使用此建構函式來建立和初始化 類別的新實例 HtmlInputHidden 。

下表顯示 實例 HtmlInputHidden 的初始屬性值。

屬性 初始值
Type 「hidden」 常值字串。

適用於