public static DataSet callStored(string Table, string nameStoreProcedure, SqlParameter[] parametri)
        {
            HttpContext _Content= HttpContext.Current;
            SqlConnection connessione = new SqlConnection("stringa di connessione");
            DataSet ds = new DataSet();
            try
            {
                connessione.Open();
                SqlCommand command = new SqlCommand(nameStoreProcedure, connessione);
                SqlDataAdapter adapter = new SqlDataAdapter();
                command.CommandType = CommandType.StoredProcedure;
                if (parametri != null)
                {
                    for (int i = 0; i < parametri.Length - 1; i++)
                    {
                        if (parametri[i].Value == null)
                        {
                            command.Parameters.Add(parametri[i]);
                            command.Parameters[i].Value = System.DBNull.Value;
                        }
                        else command.Parameters.Add(parametri[i]);
                        try
                        {
                            System.Xml.XmlAttribute valore;
                            valore = (System.Xml.XmlAttribute)command.Parameters[i].Value;
                            if (valore.InnerText == "DBNull")
                                command.Parameters[i].Value = System.DBNull.Value;
                        }
                        catch { }
                    }
                }
                adapter.SelectCommand = command;
                if (Table == null) adapter.Fill(ds, "default");
                else adapter.Fill(ds, Table);
            }
            catch { }
            finally { connessione.Close(); }
            return ds;
        }