protected static ConnectionHolder CreateConnection(string connectionString)
{
var connection = new NpgsqlConnection(connectionString);
connection.Open();
if (Transaction.Current == null)
{
var transaction = connection.BeginTransaction(IsolationLevel.ReadCommitted);
return(ConnectionHolder.ForTransactionalWork(connection, transaction));
}
return(ConnectionHolder.ForNonTransactionalWork(connection));
}
