HI. my name is sungtaek choi from south KOREA, working as software engineer.
i have the ASPOSE.Cells for.NET 8.3 License and i would like to ask you about ExportSheetToImageFile.
my job is after making excel file, capture image first of the excel sheet and save it as .bmp file
sometimes it works completely
but sometimes it does not work.
when job is fail, making excel file is ok
but image file is not made.
this is the sentence where error is occurred
Bitmap bitmap = sr.ToImage(0);
and this is the error messagese
Aspose.Cells.CellsException: The parameter is invalid.
i dont’ know why
sometimes it works well
but sometimes it does not work
please give me advice