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POMonotouch 6.0.2: Why cannot serialize the object when using WCF services
 

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  1. POMonotouch 6.0.2: Why cannot serialize the object when using WCF services
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    <p>I use the WCF with BasicHttpBinding in monotouch(6.0.2) to consume the .net WCF Service, I pass 3 parameters which the type is int,int, DishOrder(user-defined type), in the server site, it can read the int parameters correctly, but the user-defined object(dishOrder) is always null, why?</p> <p>I have already used the [DataContract] attribute mark in the user-defined type class.</p> <p>in monotouch (client side code:)</p> <pre><code>[DataContract] public class DishOrder2 { [DataMember] public int BillID { get; set; } [DataMember] public int TableID { get; set; } } public partial interface IMenuContract { [OperationContract] int OpenTable(int tableID, int lastVerNo,DishOrder2 order); } public partial class MyServiceClient : ClientBase&lt;IMenuContract&gt;,IMenuContract { public int OpenTable(int tableID, int lastVerNo,DishOrder2 order) { return Channel.OpenTable(tableID,lastVerNo,order); } private partial class FDMenuServiceClientChannel { public int OpenTable(int tableID, int lastVerNo,DishOrder2 order) { object[] _args = new object[3]; _args[0]=tableID; _args[1]=lastVerNo; _args[2]=order; return (int)base.Invoke("OpenTable", _args); } } } //end of public partial class FDMenuServiceClient pulic void CallServiceTest() { using (MyServiceClient.serviceClient = MyServiceClient.CreateServiceClient ()) { DishOrder2 test=new DishOrder2(); test.BillID=123; test.TableID=456; serviceClient.OpenTable(111,222,test); } } </code></pre> <p>in service site(.net 3.5) code:</p> <pre><code>[DataContract] public class DishOrder2 { [DataMember] public int BillID { get; set; } [DataMember] public int TableID { get; set; } } [OperationContract] int OpenTable(int tableID, int lastVerNo,DishOrder2 order); public int OpenTable(int tableID, int lastVerNo,DishOrder2 dishOrder) //service implementation { try { //**---why the object:dishorder is null?** throw the nullref exception if (dishOrder.BillID&gt;0) ... //**tableID &amp; lastVerNo is read OK 111,222** ... } catch (Exception ex) { throw FaultException... } } </code></pre>
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