This week's book giveaway is in the OO, Patterns, UML and Refactoring forum. We're giving away four copies of Refactoring for Software Design Smells: Managing Technical Debt and have Girish Suryanarayana, Ganesh Samarthyam & Tushar Sharma on-line! See this thread for details.
Im making a search application where a user can search mobiles online. I have two fields :- Brand & Model Number...... Now if suppose user enters both but that does not match in the database. How will he get error or validation message like-- "Mobile with this combination doesnt exist".