how i can Trrigger C# Method when any row added to or deleted from sql server data base??

hi , i have problem , my problem is to Invoke C# method in my application when any row added or deleted to my sql server data base , i have search in google and i found this URL http://social.msdn.microsoft.com/Forums/en-US/csharpgeneral/thread/e2e42765-79d2-4520-9c10-32b6cda3e579 any help or idea or example ???