Note In this article, we will use GroupDocs.Assembly to generate a report. This report will fetch data from multiple data sources. Note The code uses some of the objects defined in The Business Layer. Generating Report in Microsoft PowerPoint Document Creating a Template Add a bullet list at the place where you want it to display clients’ names. Insert a table with two columns, that will show managers’ and their contact prices....groupBy(c => c.Manager) .orderBy(g => g.key)]>>...<<[group.key]>> <<[group.sum( c => c.Contract_Price)]>> <</foreach>>...