i cannot open xlsx files 6.4.0.15

[Jhon Edwin]

Dim workbook As IWorkbook = application.Workbooks.Open("c:\datos.xlsx", ExcelOpenType.Automatic)

but...

Exception: El argumento especificado está fuera del intervalo de valores válidos.

[Johnson Monohar M]

Hi Jhon Edwin,

Thank you for using Syncfusion products.

Syncfusion has released its latest version 10.4.0.53 with numerous enhancements and fixes. We strongly recommend you to upgrade your version to the latest one and test your sample. You can find the latest version in the following link.

http://www.syncfusion.com/downloads/latest-version

If you still face the issue, kindly a create an incident to log the issue from the following link and also provide us the issue causing excel file for us to investigate further. This will help us to follow-up the issues in a better way.

Direct Trac Login: https://www.syncfusion.com/account/login?ReturnUrl=%2fsupport%2fdirecttrac%2fincidents

Please let us know if you need any clarification.

Regards,
Johnson