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HtmlInputRadioButton Constructor

  • Reference

Definition

Namespace:
System.Web.UI.HtmlControls
Assembly:
System.Web.dll

Initializes a new instance of the HtmlInputRadioButton class.

C# 
public HtmlInputRadioButton();

Examples

ASP.NET (C#) 
<%@ 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)
      {
         if(!IsPostBack)
         {
            // Create the first HtmlInputRadioButton control.
            HtmlInputRadioButton radio1 = new HtmlInputRadioButton();
            radio1.Value = "Value1";
            radio1.Checked = true;
            radio1.Name = "RadioSet";

            // Create the caption for the first HtmlInputRadioButton control.
            HtmlGenericControl span1 = new HtmlGenericControl("span");
            span1.InnerHtml = "Radio Button 1 <br />";

            // Add the controls to the Controls collection of the 
            // PlaceHolder control.
            Place.Controls.Clear();
            Place.Controls.Add(radio1);
            Place.Controls.Add(span1);

            // Create the second HtmlInputRadioButton control.
            HtmlInputRadioButton radio2 = new HtmlInputRadioButton();
            radio2.Value = "Value2";
            radio2.Checked = false;
            radio2.Name = "RadioSet";

            // Create the caption for the second HtmlInputRadioButton control.
            HtmlGenericControl span2 = new HtmlGenericControl("span");
            span2.InnerHtml = "Radio Button 2 <br />";
         
            // Add the control to the Controls collection of the 
            // PlaceHolder control.
            Place.Controls.Add(radio2);
            Place.Controls.Add(span2);
         }
      }
  
   </script>
  
<head runat="server">
    <title> HtmlInputRadioButton Constructor Example </title>
</head>
<body>

   <form id="form1" runat="server">
  
      <h3> HtmlInputRadioButton Constructor Example </h3> 
  
      <asp:PlaceHolder id="Place" runat="server"/>
  
   </form>

</body>
</html>

Remarks

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

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

Property Initial Value
TagName The "radio" literal string.

Applies to

Product Versions
.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