Wordpress is written in PHP and runs on Apache, so you can't really run it in ASP.Net.
As WordPress is implemented in PHP, all of those plugins are also written in PHP.
Quote:
Extending WordPress in C# is possible thanks to a PHP compiler for .NET called Phalanger. Its 3.0 version uses DLR to allow interoperation between PHP and .NET code. We can take advantage of the dynamic keyword in C#, which makes calling PHP functionality from C# easily possible.
For more information check below Article.
Extending WordPress with C# Plugins
Extending WordPress with C# Plugins[
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I hope this will help to you.