Adding a <FORM> Tag
Strictly speaking, we should always put <select> tags, and other form elements, within a <form> tag. (Some browsers are forgiving about this, but others are not, so it's good practice to add the <form> tag.)
For now, we'll add a <form> tag with a name of “OrderTickets”.
—Order.csp—
Order.csp
<html> <head></head>
<body>
<csp:class super="%CSP.Page,Cinema.Utils">
<csp:if condition='$D(%session.Data("Order"))'>
<img src="YourTicketOrder.gif"><br>
<script language="cache" runat="server">
// Open Order object for display
Set ord = ##class(Cinema.TicketOrder).%OpenId(%session.Data("Order"))
</script>
<form name="OrderTickets">
<csp:loop counter="num" from=1 to=#(ord.Items.Count())#>
<script language="cache" runat="server">
Set itm = ord.Items.GetAt(num)
</script>
For the #($ZT(itm.Show.StartTime,4))#
showing of #(itm.Show.Film.Title)#
at #(itm.Show.Theater.TheaterName)#
<br><br>
<select name="AdultTickets">
...
</select>
<select name="ChildTickets">
...
</select>
</csp:loop>
</form>
</csp:if>
</body> </html>