title: How to initialize a list within a list collection
body: <p>I have a class called <code>Item</code> which is holding a <code>Airpricepoint</code> list. I am able to create and intialize all the properties of the class and add <code>Airpricepoint</code> list. In <code>Airpricepoint</code> class i have another list <code>AirPricingInfo</code>  which are having few properties. How do I access the members of <code>AirPricingInfo</code>, initialize them and add to the list?</p>
  
  <pre><code>public class Item
  {
      public List&lt;Airpricepoint&gt; AirPricePoint { get; set; }
  }
  
  public class Airpricepoint
  {
      public  List&lt;Airpricinginfo&gt; AirPricingInfo { get; set; }
      public string AirPricingResultMessage { get; set; }
      public string FeeInfo { get; set; }
      public string FareNote { get; set; }
      public string TaxInfo { get; set; }
      public string Key { get; set; }
      public string TotalPrice { get; set; }
      public string BasePrice { get; set; }
      public string ApproximateTotalPrice { get; set; }
      public string ApproximateBasePrice { get; set; }
      public string EquivalentBasePrice { get; set; }
      public string Taxes { get; set; }
      public string Fees { get; set; }
      public string Services { get; set; }
      public string ApproximateTaxes { get; set; }
      public string ApproximateFees { get; set; }
      public string CompleteItinerary { get; set; }
  }
  
  public class Airpricinginfo
  {
      public object FareInfo { get; set; }
      public object FareStatus { get; set; }
      public IList&lt;FareInfoRef&gt; FareInfoRef { get; set; }
      public object BookingInfo { get; set; }
      public IList&lt;TaxInfo&gt; TaxInfo { get; set; }
      public string FareCalc { get; set; }
  }
  
  var lowfaresearchres = new Lowfaresearchres();
  lowfaresearchres.Items= new Item();
  lowfaresearchres.Items.AirPricePoint = new List&lt;Airpricepoint&gt;();    
  lowfaresearchres.Items.AirPricePoint.Add(new Airpricepoint()
      {
          ApproximateBasePrice = airPricePoint.ApproximateBasePrice,
          ApproximateTotalPrice = airPricePoint.ApproximateTotalPrice,
          ApproximateTaxes = airPricePoint.ApproximateTaxes,
          ApproximateFees = airPricePoint.Fees,
          BasePrice = airPricePoint.BasePrice,
          Taxes = airPricePoint.Taxes,
          TotalPrice = airPricePoint.TotalPrice
      });
  </code></pre>