Hi Jeyanth.s,
The documents below are about how to create a license.For a component: http://msdn.microsoft.com/en-us/library/system.componentmodel.license.aspx For a software:http://www.xheo.com/support/kb/1006/How+to+Create+a+License+File+in+C%23.aspxhttp://killervb.com/LicenseKey.aspxThese are some resources about how to create a serial no:Articles: http://beta.codeproject.com/KB/aspnet/UniqueKeys.aspx?msg=1536333Videos: http://www.youtube.com/watch?v=Xh7DbX_OS1k http://www.youtube.com/watch?v=jprKP4xOgTMThreads: http://bytes.com/topic/c-sharp/answers/757979-how-create-serial-number-software http://forums.techarena.in/software-development/378659.htm
Let me know if this helps or not.Aland Li