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 Excel 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....Multiple Data Sources / Generating Report using Multiple Data Sources...Spreadsheet Document Generating Report using Multiple Data Sources...