Important properties, methods and events for RadioButton : RadioButton « ASP.net Controls « ASP.NET Tutorial
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- RadioButton
AccessKey: specify a key that navigates to the RadioButton control.
AutoPostBack: post the form containing the RadioButton back to the server automatically when the radio button is checked or unchecked.
Checked: get or set whether the RadioButton control is checked.
Enabled: disable the RadioButton.
GroupName: group RadioButton controls.
TabIndex: specify the tab order of the RadioButton control.
Text: label the RadioButton control.
TextAlign: align the RadioButton label. Possible values are Left and Right.
Focus: set the initial form focus to the RadionButton control.
CheckedChanged: Raised on the server when the RadioButton is checked or unchecked.
<%@ 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">
protected void btnSubmit_Click(object sender, EventArgs e)
{
if (rdlMagazine.Checked)
lblResult.Text = rdlMagazine.Text;
if (rdlTelevision.Checked)
lblResult.Text = rdlTelevision.Text;
if (rdlOther.Checked)
lblResult.Text = rdlOther.Text;
}
</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head id="Head1" runat="server">
<title>Show RadioButton</title>
</head>
<body>
<form id="form1" runat="server">
<div>
How did you hear about our Website?
<ul>
<li>
<asp:RadioButton
id="rdlMagazine"
Text="Magazine Article"
GroupName="Source"
Runat="server" />
</li>
<li>
<asp:RadioButton
id="rdlTelevision"
Text="Television Program"
GroupName="Source"
Runat="server" />
</li>
<li>
<asp:RadioButton
id="rdlOther"
Text="Other Source"
GroupName="Source"
Runat="server" />
</li>
</ul>
<asp:Button
id="btnSubmit"
Text="Submit"
Runat="server" OnClick="btnSubmit_Click" />
<hr />
<asp:Label
id="lblResult"
Runat="server" />
</div>
</form>
</body>
</html>