c# - How can I know if a non-required RenderSection exists? -

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@* omitted code.. *@ @renderbody() @rendersection("sidebar", required: false)

is there way know in omitted code part if rendersection sidebar exists or not?

@if (issectiondefined("sidebar")) {     @rendersection("sidebar") } else {     <div>some default content</div> }

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