Question

how do i implement a warning using c# so i can tell the user something wrong has been updated and the information in the database needs to be filled in appropriately.

Answer 1

MessageBox ?

Answer 2

What kind of app have you written; Forms based or console maybe?

Answer 3

First you fetch the data already filled in the databese, check if it's correct, and if it's correct, then flush to database... you can make a custom exception ..

Answer 4

Look at MessageBox.Show
http://msdn.microsoft.com/en-us/library/system.windows.forms.messagebox(v=VS.100).aspx