// Return range data as grid of strings, where each string represents content of the cell in the grid. internal static IList <IList <string> > GetStringsRangeDataSync(this SheetsService sheetsService, string spreadsheetId, string rangeString) { // Get response objects grid .. IList <IList <object> > cellsGridObjectsData = sheetsService.GetObjectsRangeDataSync(spreadsheetId, rangeString); // .. and translate it into the strings grid. IList <IList <string> > cellsGridStringsData = cellsGridObjectsData.Select <IList <object>, IList <string> >((objectsList) => { return(objectsList.Select <object, string>((obj) => { return obj.ToString(); }).ToList()); }).ToList(); // Return response string data grid return(cellsGridStringsData); }