How to assign values to an IEnumerable

Question

I have the following class in which I have an IEnumerable list as follows

public class Orders
{
    public string No { get; set; }
    public string Id { get; set; }
    public IEnumerable<string> OrderTypes { get; set; } = new List<string> { "order 1", "order 2", "order 3" }
}

Instead of me assigning the values directly above is there a way i can put it in a separate class as follows

public class OrderTypes()
{
    IEnumerable<string> myEnumerable = new List<string>()
    myEnumerable.add("Order 1")
    myEnumerable.add("Order 3")
    myEnumerable.add("Order 4")
    myEnumerable.add("Order 5")
    myEnumerable.add("Order 6")
}

And then call this function above like

public class Orders
{
     public string No { get; set; }
     public string Id { get; set; }
     public IEnumerable<string> OrderTypes { get; set; } = OrderTypes
}

The reason for this is cause my list gets too long and it would be easier to view, but I'm not sure how to achieve this.

Answer 1

Close enough. You can simply use a static method:

public class Orders
{
  public string No {get;set;}
  public string Id {get;set;}
  public IEnumerable<string> OrderTypes{get;set;} = CreateOrderTypes();

  private static IEnumerable<string> CreateOrderTypes()
  {
     return new List<string>
     {
       "Order 1",
       "Order 3",
       "Order 4",
       "Order 5",
       "Order 6",
     };
   }
}

Of course, the CreateOrderTypes does not have to be in the same class and can be moved to a different class. The second class has to be visible to the first one.

public class Orders
{
  public string No {get;set;}
  public string Id {get;set;}
  public IEnumerable<string> OrderTypes{get;set;} = OrderTypesFactory.InitOrderTypes();
}

static class OrderTypesFactory
{
  static IEnumerable<string> InitOrderTypes()
  {
     return new List<string>
     {
       "Order 1",
       "Order 3",
       "Order 4",
       "Order 5",
       "Order 6",
     };
   }
}