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....DemoDatabase2 (); string path = MapPath ( "." ); path = path . Substring (...( 0 , path . LastIndexOf ( "\\" )); path = path . Substring (...