A vertical toolbar would be possible if you customize the styling, as the native ToolBar does not support this functionality. For a built-in vertical functionality you can check the Menu and the available demo.
you need to specify the following style to make the toolbar vertical:
<style>
#MyToolBar {
display: inline-block;
width: 200px;
}
.k-button {
display: block;
}
</style>
I hope this helps. Let me know if you have further questions.
Regards,
Aleksandar
Progress Telerik
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