SelectPdf for .NET - Pdf Document Headers and Footers - C# / ASP.NET Sample This sample shows how to create a new PDF document using SelectPdf, how to add several pages and set the header and footer of the pdf document. Headers and footers are a custom type of pdf template. Header is displayed at the top of the page. Footer is displayed at the bottom of the page. They contain elements that repeat on each page of the pdf document.