vb.net client server database logon problem

Hi to everybody. I am new in vb.net and i had a question on client server database program in vb.net, if anyone know pls help. Problem: using winsock component in vb.net when i in client side, i want to logon to the server side using "username and password". How client connect to the server side and match the database and get the username and password that store in MS.Access. Can anyone make a tutorial for me Thank you.