This week's book giveaway is in the Cloud/Virtualization forum. We're giving away four copies of Learning OpenStack Networking: Build a solid foundation in virtual networking technologies for OpenStack-based clouds and have James Denton on-line! See this thread for details.
Is studentid a character column or a numeric column? If numeric, does it work if you remove the quotes? Are you sure there is a studentrecord with that studentid? Are you getting an error, or just no rows selected?