Displays a multicolumn/multirow list of data provided through a web service. The data is formatted using a specified transformation.

You can create a custom web service by adding the necessary code into the sample ~/CMSPages/WebService.asmx file located in your web project. This web service can then be used by the web part as a data source.

Help URL: http://devnet.kentico.com/docs/webparts/index.html?datalistforwebservice_overview.htm