public int GetProjectCount()
        {
            int aRes = 0;
            try
            {
                OpenDB();

                const string CS01 = "select count(*)::integer from web_project";

                bool bTOk = !fDB.InTransaction;
                if (bTOk) { fDB.BeginWork(); }
                try
                {
                    IfxCommand cmd = fDB.GetCommand(CS01);
                    try
                    {
                        aRes = (int)cmd.ExecuteScalar();

                        if (bTOk) { fDB.CommitWork(); }
                    }
                    finally
                    {
                        cmd.Dispose();
                    }
                }
                catch
                {
                    if (bTOk) { fDB.RollbackWork(); }
                    throw;
                }
            }
            catch (Exception ex)
            {
                string sErr = "Fehler in GetProjectCount.\r\n" + ex.Message;
                CreateServiceFaultException(sErr);
            }
            finally
            {
                CloseDB();
            }
            return aRes;
        }