What should i use for an HttpPostedFileBase Read Type?

Question

I have a form where the user submits some details and a file of any kind, now since the file uploaded is of type HttpPostedFileBase, how can i arrange the reader from GetString in order to read the File Name of the uploaded file. Thanks

Error in Code

Properties

Answer 1

Why not to check file extention by something like: f.Substring(f.LastIndexOf('.')+1, 3));