public void MoveNode(string userDetailsId, string toNodeType, string toNodeName)
        {
            int userId = int.Parse(userDetailsId);
            var userToMove = JournalContext.UserDetails.FirstOrDefault(ud => ud.GlobalProfileID == userId);
            var userProfile = UsersContext.UserProfiles.FirstOrDefault(u => u.UserId == userId);
            if (userToMove == null) return;

            switch (toNodeType)
            {
                case JsTreeNodeType.PupilClass:
                    var newPupil = new Pupil { PupilID = userId, JournalID = int.Parse(toNodeName) };
                    JournalContext.Pupils.InsertOnSubmit(newPupil);
                    JournalContext.SubmitChanges();
                    Roles.AddUserToRole(userProfile.UserName, JournalStatic.Pupil);
                    break;

                case JsTreeNodeType.Teachers:
                    var newTeacher = new Teacher {TeacherID = userId};
                    JournalContext.Teachers.InsertOnSubmit(newTeacher);
                    JournalContext.SubmitChanges();
                    Roles.AddUserToRole(userProfile.UserName, JournalStatic.Teacher);
                    break;

                case JsTreeNodeType.Parents:
                    var newParent = new Parent {ParentID = userId};
                    JournalContext.Parents.InsertOnSubmit(newParent);
                    JournalContext.SubmitChanges();
                    Roles.AddUserToRole(userProfile.UserName, JournalStatic.Parent);
                    break;
            }
        }
 partial void DeleteParent(Parent instance);
 partial void InsertParent(Parent instance);
 partial void UpdateParent(Parent instance);
		private void detach_Parents(Parent entity)
		{
			this.SendPropertyChanging();
			entity.UserDetails = null;
		}