c# - Add 'data-' attribute with MVC custom data annotation -


if add [requiredif(... property have on view model class, mvc adds data-required... attributes resulting mark-up property.

i want same; want decorate property of view model class [mymarkup] , have render data-my-attribute on rendered html property's editor.

i have looked high , low solution, , haven't found one, leads me suspect approach may wrong.

what i've tried

i've tried extending attribute can't see how i'd access mark-up in there, since attributes wouldn't concerned mark-up.

i looked data annotations , metadata-aware implementations too, can't find allow me add data attribute element.

is possible @ all?

please note

i'm aware of html helpers , can pass in custom attributes them, want keep attribute.


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