public void loadFamille() { Dictionary <String, String> listfamille = lite.getAllFamilles(); listefamilleDatagrid.Rows.Clear(); String[] row; foreach (KeyValuePair <String, String> famille in listfamille) { row = new string[2]; row[0] = famille.Key; row[1] = famille.Value; listefamilleDatagrid.Rows.Add(row); } if (loaded == 1 && listefamilleDatagrid.Rows.Count > 0) { listefamilleDatagrid.ClearSelection(); } }