Q: The type or namespace name 'Sclient' could not be found in 3 tier application While tring to implement a 3 tier application, I copy pasted the files and completed the steps in below link in 10 minutes.
http://geekswithblogs.net/edison/archive/2009/04/05/a-simple-3-tier-layers-application-in-asp.net.aspx
However I recieve an error "The type or namespace name 'Sclient' could not be found", My client, configuration and genericdata classes are in App_Code folder, and I recieve error in  ClientList.ascx line 6. 
My codes are exactly same as indicated in link, what could be the error cause?
Below is the screenshots



A: Right click to project and choose "Convert to Web Application"
