Hi WebEngineer,
Please create a page by the code beow. Do not use any css file in it and do not under any master page.
<%@ Page Language="c#" AutoEventWireup="false" %>
<%@ Register TagPrefix="DotNetGallery" Namespace="DotNetGallery" Assembly="DotNetGallery" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Frameset//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-frameset.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<title>example</title>
</head>
<body>
<form id="form1" runat="server">
<DotNetGallery:GalleryBrowser runat="server" ID="GalleryBrowser1" Width="720" Height="400" />
</form>
</body>
</html>
Regards,
Ken