private void ClearDb()
{
context = lmsService.GetDbDataContext();
context.CurriculumAssignments.DeleteAllOnSubmit(context.CurriculumAssignments);
context.Themes.DeleteAllOnSubmit(context.Themes);
context.Stages.DeleteAllOnSubmit(context.Stages);
context.Curriculums.DeleteAllOnSubmit(context.Curriculums);
context.CurriculumAssignments.DeleteAllOnSubmit(context.CurriculumAssignments);
context.SubmitChanges();
}
