.Net Interview Questions - HCL

1. What is the use of versioning?
2. What will happen if application configuration and server configuration have different session state values?
3. Write a program to convert string to integer without using in built library?
4. What are override methods? Explain it with one example?
5. Is it possible to override private virtual methods?
6. What is virtual base class?
7. What is the difference between ASP.NET and VB.NET?