VB.NET LINQ Query: Getting The Sum of All Values For A Specific Structure Member

Question

In VB.NET, let\'s assume I have the following Structure:

Public Structure Product
    Public ItemNo As Int32
    Public Description As String
    Public Cost As          


        

Answer 1

The built in Sum method does this already.

In VB it looks like this:

ProductList.Sum(Function(item) item.Cost)

In C# it looks like this:

ProductsList.Sum( (item) => item.Cost);

Answer 2

One way would be:

Dim s = (From p As Product In products Select p.Cost).Sum()