SortCriteria defines a SortOrder, which contains an attribute name and an order type (ASCENDING or DESCENDING).
Query query = new Query(); query.Select("c.lname, c.fname"); query.From("Customer", "c"); AttributeTest aTest = new AttributeTest(); aTest.Attribute = "state"; aTest.TestValue = "CA" ; aTest.TestType = AttributeTest.EQUAL; query.TestCriteria = aTest; SortCriteria sort = new SortCriteria(); sort.Add("lname", SortOrderType.ASCENDING); sort.Add("fname", SortOrderType.ASCENDING); query.SortCriteria = sort;