see a list of customers located in the customer table in my database (SQL server) using C #

Question

Hi,

My problem is that I want to see a list of customers located in the customer table in my database (SQL server) using C #, in my code I made first a connection to my database and I have to use 2 class ( public class Client{  } and  public class Clients: List <Client>{  } )

 but then I did not know what to do in the inplementation ????


knowing that my project is the development of a WCF layer that contains a "customer service" in which I need to display the list of customers.

PLEASE HELP ME !!!!!!!!!!!!!!!!!!!!!!