following are couple of great open-source applications
created for Asp.net community.

when you run your c# application there may be
unknown errors for various reasons.you can
view those errors to correct later.
better way is to store those errors in a online
file using webservice automatically.

following is the list of online websites which
contain online books,a lot of study material-

if you know about Object oriented way of programming
you know how much role a property plays.

you can deploy a c#.net windows application to use
it on another machine.

If you want to publish your database from one database
server to another,sql server database publishing
wizard can do that.without downloading it you can
use visual studio to publish your db as .sql script
file.then you can run this script file in another
sql server to get the database with all tables and data.
I show you how -