ASP.NET MVC + Entity Framework with Concurrency check

Question

I am trying to implement a application following the sample in this page: http://www.asp.net/entity-framework/tutorials/handling-concurrency-with-the-entity-framework-in-an-asp-

Answer 1

Try putting a [ConcurrencyCheck] attribute in your TimeStamp Property

public class PurchaseOrder {
    [ConcurrencyCheck]
    [Timestamp]
    public byte[] Timestamp {get; set;}
}