protected override void OnNavigatedTo(NavigationEventArgs e) { AuthorizationViewModel authorizationViewModel = new AuthorizationViewModel(); List <UsersModel> ProfilesList = new List <UsersModel>(); string sMsgError = ""; authorizationModel = (AutorizationModel)e.Parameter; userProfile = authorizationModel.UserProfile; userEmail = authorizationModel.UserEmail; authorizationModel.UserProfile = this.userProfile; authorizationViewModel.AdministrationPermissions(ref authorizationModel); this.DataContext = authorizationModel; usersViewModel.LoadUserRoles(ref sMsgError, ref usersModel); usersViewModel.LoadUserRoles(ref sMsgError, ref editUser); FormChangePassword.DataContext = authorizationModel; FormNewPassword.DataContext = usersModel; MainPanelAddUser.DataContext = usersModel; FormEditUser.DataContext = editUser; }