/// <summary>
 /// Sunt obtinute informatii despre toate tipurile de variabile globale
 /// </summary>
 /// <returns>Se returneaza un dataset care contine aceste valori</returns>
 public DataSet GetAllVariabileGloale()
 {
     Salaries.Data.VariabileGlobale variabilaGlobala = new Salaries.Data.VariabileGlobale(settings.ConnectionString);
     return(variabilaGlobala.GetAllVariabileGlobale());
 }