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AX 2009 - .Net business connector with a SQL statement with several joins

This is an example how to use joined tables:
Axapta ax = new Axapta();
ax.Logon(null, null, null, null);

using (AxaptaRecord users = ax.CreateAxaptaRecord("UserInfo"),
    groups = ax.CreateAxaptaRecord("UserGroupList"))
{
    ax.ExecuteStmt("select * from %1 join %2 where %1.id == %2.userId", users, groups);

    while (users.Found)
    {
        Console.WriteLine("{0} ({1})", users.get_Field("id"), groups.get_Field("groupId")); 
        users.Next();
    }
}
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