Posted 30 July 2019, 11:10 am EST
Importing a xlsx file to spread using the SpreadJS import libraries does not import pictures.
The following documentation mentions that pictures are support for excel to json import
https://help.grapecity.com/spread/SpreadSheets12/webframe.html#excelclient.html
Also I tested in the sample app provided as part of the spreadJS download.
SpreadJS.Release.12.0.9/Spread.Sheets/Spread.Sheets.Release.12.0.9/samples/InspectorSample/index.html
and it does work there as well.
