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HtmlInputHidden Constructor

Definition

Initializes a new instance of the HtmlInputHidden class.

public HtmlInputHidden ();

Examples

The following code example demonstrates how to create a new instance of the HtmlInputHidden control and place it on the Web page.

<%@ 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>

Remarks

Use this constructor to create and initialize a new instance of the HtmlInputHidden class.

The following table shows the initial property value for an instance of HtmlInputHidden.

Property Initial Value
Type The "hidden" literal string.

Applies to

製品 バージョン
.NET Framework 1.1, 2.0, 3.0, 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1