collections generic with wcf
                            
                         
                        
                     
                 
                
                    hi all 
 
I want to pass generic collection, List with wcf 
 
how to do that ? 
 
i tried [datamember] but it's don't work
this is my code 
using System;
using System.Collections.Generic;
using System.Text;
using System.Runtime.Serialization;
namespace BE
{
 [DataContract]
 public class BusinessAccount : Account
 {
 private string companyNumber;
 private string companyName;
 private List<string> authorizedSignatory = new List<string>();
 public BusinessAccount() { }
 public BusinessAccount(long number, int branchNumber, DateTime openingAccountDate, string password, int credit, int balance, 
 AccountStatus status, AccountType account_Type, string companyNumber, string companyName, List<string> authorizedSignatory) 
 : base(number,branchNumber,openingAccountDate,password,credit,balance,status,account_Type)
 {
 this.companyNumber = companyNumber;
 this.companyName = companyName;
 this.AuthorizedSignatory = authorizedSignatory;
 }
 [DataMember]
 public string CompanyNumber
 {
 get { return companyNumber; }
 set { companyNumber = value; }
 }
 [DataMember]
 public string CompanyName 
 {
 get { return companyName; }
 set { companyName = value; }
 }
 [DataMember]
 public List<string> AuthorizedSignatory
 {
 get { return authorizedSignatory; }
 set 
 {
 foreach (var item in value)
 authorizedSignatory.Add(item);
 }
 }
 }
}