Question

I have a class that is defined like this:

class A
{
 int contractID;
 string name;
 string blah;
 etc...
}

Multiple ClassA are stored stored in List(). I and to create a List based off all the ContractID’s in List. Is there a way in LINQ to be able to do this instead of iterating through List()?

Answer 1

You can use the Select extension method to create a projection of the contractID. Like:

var listOfClass = new List<ClassA>(); //Or however you get your list.
var contractIDs = listOfClass.Select(x => x.contractID).ToList();