It's the full code:
<%@ Page Language="C#" %>
<%@ Register Assembly="Coolite.Ext.Web" Namespace="Coolite.Ext.Web" TagPrefix="ext" %>
<%@ Import Namespace="Coolite.Utilities" %>
<html>
<head id="Head1" runat="server">
<title>Ext.NET Example</title>
<!-- Styles-->
<link rel="stylesheet" href="../../extjs/resources/css/xtheme-slate.css" />
<style type="text/css">
.x-form-group .x-form-group-header-text {
background-color: Transparent;
font-weight: bold;
}
.x-label-text {
font-size: 12px;
font-family:"Myriad Pro","Myriad Web","Tahoma","Helvetica","Arial","sans-serif";
margin-left:30px;
}
.x-checkbox {
font-size: 12px;
font-family:"Myriad Pro","Myriad Web","Tahoma","Helvetica","Arial","sans-serif";
}
.x-textarea {
margin-left:30px;
}
.x-link A:link {
font-size: 12px;
font-family:"Myriad Pro","Myriad Web","Tahoma","Helvetica","Arial","sans-serif";
text-decoration: none
}
.x-link A:visited {
font-size: 12px;
font-family:"Myriad Pro","Myriad Web","Tahoma","Helvetica","Arial","sans-serif";
text-decoration: none
}
.x-link A:active {
font-size: 12px;
font-family:"Myriad Pro","Myriad Web","Tahoma","Helvetica","Arial","sans-serif";
text-decoration: none
}
.x-link A:hover {
font-size: 12px;
font-family:"Myriad Pro","Myriad Web","Tahoma","Helvetica","Arial","sans-serif";
text-decoration: underline;
}
.x-panel-backgroud1 {
background-color: #F5F5F5;
}
.x-label-text_obligatory {
font-size: 12px;
font-family:"Myriad Pro","Myriad Web","Tahoma","Helvetica","Arial","sans-serif";
margin-left:30px;
color: Red;
}
</style>
</head>
<body>
<form id="formReservation" runat="server">
<ext:ScriptManager ID="ScriptManager1" runat="server" StateProvider="None" />
<!-- Stores-->
<!-- Content-->
<ext:ViewPort ID="ViewPort1" runat="server" >
<Body>
<ext:BorderLayout ID="BorderLayout1" runat="server" >
<North MarginsSummary="5 5 5 5" Collapsible="false" CollapseMode="Default" />
<Center MarginsSummary="0 5 0 5" AutoHide="true">
<ext:Panel ID="PaneGeneral" runat="server" Frame="true" AutoScroll="true">
<Body>
<!-- ... tables, panels, triggers, etc. -->
</Body>
</ext:Panel>
</Center>
</ext:BorderLayout>
</Body>
</ext:ViewPort>
</form>
</body>
</html>
I think there's nothing unusual about that