To design a databound report, it needs to be built using some type of schema. Whether it gets this schema itself (via ODBC or OLE DB) or whether you provide manually (via the XSD dataset) doesn't matter. So if you are pushing data then you need to provide a stongly typed XSD.

A Crystal Reports.NET book for programmers? Its free!

* Covers ASP.NET and Windows Forms
* Teaches all phases of report development
* Alerts you to the bugs and how to get around them
* Maps out the complex ReportDocument object model
* Shows how to perform runtime customization
* Demonstrates all options of connecting with ADO.NET
* Gives complete code listings for every concept presented

www.CrystalReportsBook.com/rdr.asp?cpgn=builder