I want to display detail viewer by clicking commentlink in dataTable on master viewer, but It doesn't work. In detail viewer, there is a hiddentext to hold the id. managedbean with request scope and I don't want to use sessionscope. When sessionscope is used. It works clearly. Please Help me guys! Master Viewer: DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> ...