mansi sharma 7 Junior Poster in Training

1) What are the benefits of using Class Library?

Secondly tell me one thing, I was asked in one of my interviews.Different types of cursors??
As u all know, cursors are of diff types in ADO,RDO,DAO??? So which answer to give???? Do I all have to know all the cursor types!!!

3)Where Delegates should they be used? what are the situations where we require them?

4) Close & End -Noth are used to close the application.
But i Read.Can u all tel me exactly?
close():closing the application
end():stops the execution of the page/function/procedure