Returning an object with a List data member from a service function

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WCF

Silverlight4

Hi,

I wrote a WCF service that declairs a class in it, One of the data members of the class is a List<sting>.

In a Silverlight application, I call a service function that returns an object of that class.

For some reason, I get the object with all the data members but the List<string> is null.

Could any one help?

My service looks like this:

    [ServiceContract]
    public interface IService1
    {
        [OperationContract]
        Equation Resolve(Equation equation);
    }
    
    public class Service1 : IService1
    {
        public Equation Resolve(Equation equation)
        {
            Equation e = new Equation();
            e.ResultsList =getData();
            return e;
        }
}

The class looks like this:

[DataContract]
public class Equation
{
     public double C { get; set; }
     [DataMember]
      public NumOfResults numOfResults { get; set; }
     [DataMember]
    public ResultType resultType { get; set; }
     [DataMember]
     public List<string> ResultsList{ get; set; }

 }

In the silverlight i have a function:

private void btnGetResult2_Click(object sender, RoutedEventArgs e)
       {
           svc.ResolveCompleted += new  EventHandler<ServiceReference.ResolveCompletedEventArgs>(svc_ResolveCompleted);
           svc.ResolveAsync(equation1);
       }
      void svc_ResolveCompleted(object sender, ServiceReference.ResolveCompletedEventArgs e)
       {
         Equation equ=e.Result;
         List<string> res=equ.ResultList;// for some reason allways null!!
       }