using MonoSoftware.MonoX.Repositories;
using MonoSoftware.MonoX.Utilities;
using MonSoftware.Core;
...
NoteRepository repository = NoteRepository.GetInstance();
SnNoteEntity note = new SnNoteEntity(GuidExtension.NewSequentialGuid());
note.ApplicationId = MembershipRepository.GetInstance().GetApplicationId();
note.LanguageId = LocalizationUtility.GetCurrentLanguageId();
note.UserId = SecurityUtility.GetUserId();
note.DateCreated = DateTime.Now;
note.NoteContent = "This is some sample text";
repository.SaveEntity(note);