internal List<MailingList> RetrivesTables(string rowKey)
 {
     tableDataSave = new TableHelper(storageAccountConnectionString);
     return tableDataSave.RetrivesTables(rowKey);
 }
 internal void DeleteTable(MailingList mailingList)
 {
     tableDataSave = new TableHelper(storageAccountConnectionString);
     tableDataSave.DeleteTable(mailingList);
 }