See attached sample: start it, click the button, and a new Aspose.Cells workbook is created and shown in GridDesktop in readonly mode.
GridDesktopTest.zip (5.2 KB)
Problem 1:
Switch to “Sheet 1”, then use the mouse wh…...grid, the context menu item “Insert col” does not allow adding...after the last col. Same for “Insert row”. Maybe it would help to...