SharePoint Designer has Data View Web that offers great control and customization; however, one thing that it is missing is the lack of attachment support. In Data View, you can only detect if an item has attachment or not but not be able to view it. You can’t display or get any information about the item.
In this first part of the tutorial, we’ll teach you how to display attachments in the Data View Web. Take note that Microsoft does not recommend any recursion when enumerating lists. This may also be the reason why you can’t browse item’s attachments.
Read the rest of the post here:Â http://www.codeproject.com/Articles/31895/Displaying-Attachments-with-the-Data-View-Web-Part