AccountQueryFilterRule Class

public class AccountQueryFilterRule : QueryFilterRule<AccountQueryField>

Public Class AccountQueryFilterRule
	Inherits QueryFilterRule(Of AccountQueryField)

public ref class AccountQueryFilterRule : public QueryFilterRule<AccountQueryField>

type AccountQueryFilterRule =  
    class
        inherit QueryFilterRule<AccountQueryField>
    end

using Dundas.BI;
using Dundas.BI.AccountServices;
using Dundas.BI.Services;
using System.Collections.ObjectModel;
   ...

// Create the engine.
EngineManager.CreateEngine(
    // Path to the application's data folder. Type: System.String
    @"C:\Program Files\Dundas Data Visualization Inc\Dundas BI\Instances\Instance1\www\BIWebsite\App_Data"
);

try
{
    // Start the Dundas BI Engine.
    EngineManager.StartEngine();

    // Create a caller context not associated with any session.
    using(Engine.Current.GetService<ICallerContextService>().CreateAndSetCurrentContext(null))
    {

        // LogOn.
        LogOnResult logOnResult = Engine.Current.GetService<ILogOnService>().LogOn(
            // The account name. Type: System.String
            "admin",
            // The password. Type: System.String
            "1234",
            // Delete other sessions for the logon to succeed. Type: System.Boolean
            true,
            // Culture to associate with the session, or null. Type: System.Globalization.CultureInfo
            null
        );

        // Set the current session ID.
        using(Engine.Current.GetService<ICallerContextService>().CurrentContext.SetCurrentSessionId(
            logOnResult.Session.Id
        );

        // Get the account service.
        IAccountService accountService =
            Engine.Current.GetService<IAccountService>();

        // Order by name descending.
        var orderQueryBy = 
            new List<Tuple<AccountQueryField, SortDirection>>() {
                new Tuple<AccountQueryField, SortDirection>(AccountQueryField.Name, SortDirection.Descending)
            };

        // Get the accounts that start with the letter 'a'.
        var rules = new List<AccountQueryFilterRule>();
           rules.Add(
               new AccountQueryFilterRule(
                AccountQueryField.Name, 
                QueryFilterOperator.StartsWith, 
                "a"
                )
            );

        // Get the accounts.  
        var accounts = 
            accountService.AccountQuery(
                // The first page.
                1,
                // Get maximum ten entries during query.
                10,
                // pass the order by.
                orderQueryBy,
                // pass the query rules.
                rules
            );

        // Write the account names to the console.
        foreach(var account in accounts)
        {
            Console.WriteLine(account.Name);
        }
    }
}
finally
{
    EngineManager.ShutdownEngine();
}