Aspose::Cells::ExternalConnections::ExternalConnection::SetSourceFile method. Used when the external Data Source is file-based. When a connection to such a Data Source fails, the spreadsheet application attempts to connect directly to this file. May be expressed in URI or system-specific file path notation in C++....method Used when the external data source is file-based. When a connection...connection to such a data source fails, the spreadsheet application...