Class Libraries & REST APIs for the developers To manipulate & process Files from Word, Excel, PowerPoint, Visio, PDF, CAD & several other categories in Web, DeskTop or Mobile apps. Develop & deploy on Windows, Linux, MacOS & Android platforms....xls 的设计文件,并在工作表的各种单元格中放置智能标记。然后对...FilePath + "Grouping Data OLE DB.xlsx" ; //Create a connection object...