/// <summary>
 /// Functie care returneaza instanta curenta daca exista
 /// Daca nu exista se creeaza o noua instanta
 /// </summary>
 /// <returns>Instanta de SQLiteConnectionFactory</returns>
 public static SqLiteConnectionFactory GetInstance()
 {
     return(_instance ?? (_instance = new SqLiteConnectionFactory()));
 }
 public DbContextCurse() : base((DbConnection)SqLiteConnectionFactory.GetInstance().CreateConnection(), true)
 {
 }