private void ClearUserLists()
 {
     PendingUsersList.Clear();
     ProjectManagersList.Clear();
     AssignedUsersList.Clear();
 }
 private void PopulateAssignedList(ProjectViewModel project)
 {
     _Service.GetAssignedUsersByProject(project.ToProjectModel())
     .ForEach(p => AssignedUsersList.Add(new UserViewModel(p)));
 }