Cross-Site Lookup Columns are Now Available in SharePoint Forms Designer
SharePoint Forms Designer latest version allows you to display “Virto cross-site lookup” field type in your SharePoint forms.
Now you can add any cross-site lookup column to your custom form in SharePoint 2013 (Virto SharePoint Cross-Site and Cascaded Lookup feature is required) and create beautiful and convenient forms for any business need!
Download and use SharePoint Forms Designer 30-days free trial and try the new feature right now!
and Cascaded Lookup