workbook.loadfromfile showing unknown data type

[syedmydeen]

Hello,

We faced an issue where it is showing unknown data type when we are trying to convert xls file.
It is showing error in workbook.LoadFromFile routine. Could you please investigate on this matter and let us know the solution?

Note: We have valid license.

Thanks,
Syed

[Abel.He]

Hello,

Thanks for your inquiry.
Are you using the latest version of Spire.Xls 12.9.2? If not, please update to the latest version and have a test. If the issue still exists, please offer the following messages, thanks for your assistance in advance.

1) Your input excel file.
2) Your full test code.
2) Application type, such as Console App, .NET Framework 4.8.
3) Your test environment, such as OS info (E.g. Windows 7, 64-bit) and region setting (E.g. China, Chinese).

Sincerely
Abel
E-iceblue support team