.net - how to use list object in a object in wcf -


i have wcf service, have mentioned below 3 class in used first 2 class object client side.. on studentsinformation class have pass list ie contains list of subects there name , mark, avg etc.. tried pass list..i want make database updation according number of subjects, , how check in webclient... (ie how pass data in list) can me..with this

 [datacontract(name = "studentsinformation")]     public class studentsinformation     {         [datamember]         public int id { get; set; }         [datamember]         public string name { get; set; }         [datamember]         public string total { get; set; }         [datamember]         public list<subjects> subjectslist { get; set; }     }     [datacontract(name = "subjects")]     public class subjects     {         [datamember]         public string subjname { get; set; }         [datamember]         public int mark { get; set; }         [datamember]         public int avg { get; set; }     }   [datacontract(name = "returnlist")] public class returnlist {     [datamember]     public int totalmark { get; set; }     [datamember]     public int studenid { get; set; }     [datamember]     public int rank { get; set; } }

and in svc cs have

 public list<returnlist> getstudentdetails(studentsinformation objstudentsinfo)         {             string studentname = objstudentsinfo.name;             int studentid = objstudentsinfo.id;             list<returnlist> data = new list<returnlist>();             //loop objstudentsinfo.subjectslist , calls db             return data;         }

it valid in wcf services use list<> in return value or parameter, may using client-side proxy incorrectly (e.g.)


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