public void SetNote(string sirNote) { int index, an = 0; string [] s_note; s_note = sirNote.Split(','); string[] note_AN; foreach (var An in s_note) { index = -1; note_AN = An.Split(' '); foreach (var nota_int in note_AN) { index++; note[an][index] = Convert.ToInt32(nota_int); } an++; } }