private void AddSongExecute() { try { if (!ValidationClass.IsSongLengthValid(Song.SongLength)) { MessageBox.Show("Lenght is not in valid format"); } tblUser user = service.GetUserByUserName(UserName); Song.UserID = user.UserID; service.AddSong(Song); view.Close(); } catch (Exception ex) { MessageBox.Show(ex.ToString()); } }