using System;

using System.Linq;

using System.Collections.Generic;

​

public class Program

{

    public static void Main()

    {

        var _commodityCode = "AP"; // we can have only one of them. 

        //this is what we get from the DB for Contract Names

        var ddlListFromDB = new List<DropDownItem>()

        {new DropDownItem()

        {Value = "AP", Text = "AP: SPI 200", Filter = "sfe"}, new DropDownItem()

        {Value = "AT", Text = "AT: S&P/ASX 200 Gross TR Index", Filter = "sfe"}};

        ///Validation code we are testing with ALL check

        if (ddlListFromDB.Count == 0 || !ddlListFromDB.All(x => x.Value == _commodityCode))

        {

            Console.WriteLine("You are in error. NOT GOOD.. we do have AP in the list");

        }

​

        //Validation Code I think we were wanting to put ANY ??? need to check with business the intention

        if (ddlListFromDB.Count == 0 || !ddlListFromDB.Any(x => x.Value == _commodityCode))

        {

            Console.WriteLine("You wont see this!");

        }

        else{

            Console.WriteLine("All good. We have AP in the list");

        }

    }

}

​

public class DropDownItem

{

    public string Value

    {

        get;

        set;

    }

​

    public string Text

    {

        get;

        set;

    }

​

    public string Filter

    {

        get;

        set;

    }

}