DefaultButton: the default button in a Panel. The default button is invoked when you press the Enter button.
Direction: direction in which controls that display text are rendered.
Possible values are NotSet, LeftToRight, and RightToLeft.
GroupingText: render the Panel control as a fieldset with a particular legend.
HorizontalAlign: horizontal alignment of the contents of the Panel.
Possible values are Center, Justify, Left, NotSet, and Right.
ScrollBars: display scrollbars around the panel's contents.
Possible values are Auto, Both, Horizontal, None, and Vertical.
<%@ Page Language="C#" %>
<!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" >
<head id="Head1" runat="server">
<title>Panel Grouping Text</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:Panel
id="pnlContact"
GroupingText="Contact Information"
Runat="server">
<asp:Label
id="lblFirstName"
Text="First Name:"
AssociatedControlID="txtFirstName"
Runat="server" />
<br />
<asp:TextBox
id="txtFirstName"
AutoCompleteType="FirstName"
Runat="server" />
<br /><br />
<asp:Label
id="lblLastname"
Text="Last Name:"
AssociatedControlID="txtLastName"
Runat="server" />
<br />
<asp:TextBox
id="txtLastName"
AutoCompleteType="LastName"
Runat="server" />
<br /><br />
<asp:Button
id="btnSubmit"
Text="Submit"
Runat="server" />
</asp:Panel>
</div>
</form>
</body>
</html>