public static Boolean SupprimerSalarie(string id) { foreach (Salarie item in BDDExterne.GetAllSalarie()) { if (item.salId.ToString() == id) { NpgsqlConnection conn; conn = new NpgsqlConnection(chaineConnection); conn.Open(); NpgsqlCommand MyCmd = null; // id, nom ,tel,numrue,codepostal,ville,pays,mail,nom rue string query = @"DELETE FROM ""Salarie"" WHERE id == '" + id; Debug.WriteLine(query); MyCmd = new NpgsqlCommand(query, conn); MyCmd.ExecuteNonQuery(); //Exécution conn.Close(); return(true); } } return(false); }