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Custom date formatting and griddesktop


I have an excel file which I have created using aspose.cells, this has date columns which are formatted using custom styles of “dd/mm/yyyy hh:mm” this works fine. However I then re-import this excel (after user updates) using aspose.cells.griddesktop and it seems I can’t format the values to be “dd/mm/yyyy hh:mm” they keep appearing as “m/d/yyyy h:mm”. When the cells in the griddesktop are edited the values change to “dd/mm/yyyy hh:mm” but when editing finishes they change back to “m/d/yyyy h:mm”. How do I get my date columns to display as “dd/mm/yyyy hh:mm”?<?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" />

I am using the latest aspose.cells ( Here is my code to format the griddesktop date columns to “dd/mm/yyyy hh:mm”

Dim sheet As Aspose.Cells.GridDesktop.Worksheet = agdImport.GetActiveWorksheet

Dim column15 As Aspose.Cells.GridDesktop.GridColumn = sheet.Columns(15)

Dim stDateTime As Aspose.Cells.GridDesktop.Style = column15.GetStyle

stDateTime.Custom = "dd/mm/yyyy hh:mm"


Dim column16 As Aspose.Cells.GridDesktop.GridColumn = sheet.Columns(16)

stDateTime = column16.GetStyle

stDateTime.Custom = "dd/mm/yyyy hh:mm"




Hi Ian,

Could you attach Excel template file here, we will check your issue soon.

Thank you