SAMS Teach Yourself ASP.NET in 24 Hours

Q&A

Q1:	What is the difference between a subroutine and a function?
A1:	Subroutines and functions both are modularization control structures that can accept zero or more input parameters. However, a function returns a value, whereas a subroutine does not.
Q2:	When calling a function, must its return value be assigned to a variable?
A2:	Recall that functions always return a value. Typically, the return value of a function is either used in an expression or stored in a variable. However, it is not required that the return value of a function be used at all. Imagine that we had a function called SaveCustomerInformation(name, age), which took as input parameters the name and age of the customer and saved this information in a database. The return value ...