vertical text orientation

Answered
Evelina Thiger asked on April 9, 2026

Hi,

April 30, 2021 Illia Yatsyshyn responded to a question regarding vertical text orientation and that you do not (did not) support that. Now when 5 years have passed I want to check if this has been solved?

I have a customer who want to make this possible (see pic)

 

4 answers

Public
Maksym Diachenko Maksym Diachenko Flexmonster April 10, 2026

Hello, Evelina,

Thank you for writing to us.

At the moment, there is still no built-in solution in Flexmonster for vertical text orientation in headers. We recommend a workaround approach that modifies text orientation with CSS and customizeCell API call: https://jsfiddle.net/flexmonster/fLq7a0jz/

With the customizeCell, you can pass a callback handler, which can dynamically apply a CSS class that rotates specific header cells vertically. Inside the rotateMembers function, it checks whether a cell belongs to the "Country" hierarchy or represents a grand total header, and if so, adds a "vertical-text" class. The CSS then applies necessary text transformations to display the text vertically, and additionally increases the maximum row height to fit rotated labels.

Please let us know if this solution works for you.

Best regards,
Maksym

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Maksym Diachenko Maksym Diachenko Flexmonster April 23, 2026

Hello, Evelina,

Hope you are doing well.
We are wondering if you have tried using the suggested approach with customizeCell and CSS to display vertical text.
Please let us know if this approach works for you.

Best regards,
Maksym

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Evelina Thiger April 23, 2026

Hi,
I have not tried yet... Or -I have pårovided ifno to developers and then I will see if it works.
But we can close this ticket 🙂 But is this anywhere on your "to do" list?
Is there a possibility that you in the future will have a similar "formating" as it is in excell that I can decide when I want to have it vertical or not?

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Maksym Diachenko Maksym Diachenko Flexmonster April 24, 2026

Hello, Evelina,

Thank you for your reply.
We have added the built-in support for vertical cell text to our wishlist.
Feel free to contact us if any other questions arise.

Best regards,
Maksym

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