This behavior is a powerful PDF generating tool that uses HTML and CSS (Cascading Style Sheets) as page layout and content definition format. It allows users to easily add PDF generation functionality to web applications. It's designed so you can get up to speed and productive within ten minutes. Using in Web applications for online PDF generation from HTML templates. In order to get PDF output, all what you need is create a web page dynamic (.asp, .aspx, .jsp, .cfp, etc) or static (.html) and the extension transform the HTML generated in a file pdf with full support for embedded images, tables and all the HTML tag. Adding this behavior to your web application for reporting or to achieve professional grade print functionality provided by modern PDF viewers, like Adobe Acrobat Reader. With this behavior you can control PDF page size, orientation, margins, dynamic headers with embedded images, footers, page numbering, 2 headers for the first page and for the others pages