As you've correctly guessed, to customize the appearance of the RadGridView's header cells you should define an appropriate style targeting the GridViewHeaderCell
element and set it as the HeaderCellStyle
for the respective columns. If you want to set the same style for all your columns, you may want to make the style implicit
Additionally, you can style the entire header row, by styling the GridViewHeaderRow
element. RadGridView exposes a HeaderRowStyle
property which you can use for this purpose.
I hope you find this information helpful.
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