In all my previous Custom Error posts Part 1, Part 2 and Part 3, I have configured a static file (.htm) for custom error. You can also configure a .asp or .aspx page for custom error. But remember you will see the custom error page for .htm or .asp pages only. Example, www.dotnetscraps.com/blah.htm or www.dotnetscraps.com/blah.asp will show the custom page but www.dotnetscraps.com/blah.aspx will still show the detailed error message. Today we will configure .net dynamic pages to show custom erro... [More]