// methods from IUserConferenceService
public void addConference(int uId, int cId, string cName, DateTime cStartDate, DateTime cEndDate, string Cdomain, DateTime CabstractDeadline, DateTime cFullPaperDeadline, float Price, string Description)
{
var c = new ConferenceDTO()
{
Name = cName, StartDate = cStartDate.ToString(), EndDate = cEndDate.ToString(), Domain = Cdomain, AbstractDeadline = CabstractDeadline.ToString(), FullPaperDeadline = cFullPaperDeadline.ToString(), Price = Price, State = ConferenceState.Proposed.ToString(), MainDescription = Description
};
_server.AddConference(uId, c);
}