Qdabra’s Database Accelerator (DBXL) allows you to obtain data from a SharePoint list by using the QuerySharePoint web method. This tutorial is a step-by-step guide to explain how to use this data in a dropdown control in your form.
You can download a trial of DBXL by going to the Product page on Qdabra.com. Click DOWNLOAD above to obtain this document.
For information on installing QueryBuilder, please see: http://www.infopathdev.com/files/folders/other_subjects/entry81626.aspx
For more information on using QueryBuilder, please see: http://www.infopathdev.com/files/folders/others/entry32515.aspx