title: In Asp.Net Core, how can I get the multipart/form-data from the body?
body: <p>In Asp.Net Core, it appears that they have done away with the <code>Request.Content.ReadAsMultipartAsync</code> functionality in favor of the IFormFile. </p>
  
  <p>This makes uploading where you have an actual file a LOT easier, however, I have a use case where I need to upload a file to browser memory, process it, then send it as part of the multi-form data in the body.  IFormFile cannot see this as there is no actual file to read.  It only works if you have a filename property on the Content-Disposition and an actual file on the client to upload.</p>
  
  <p>In my Asp.Net 4 app, I could read the mutlipart data in the body whether that was sent between boundaries or as an attached file.  </p>
  
  <p>How do I accomplish this in .Net Core?</p>