Asp.net post multipart/form-data 如何提交同名参数？

Question

如下三个参数的name="ABC"是一样的：-----------------------------7e21e335d0b4eContent-Disposition: form-data; name="ABC"01-----------------------------7e21e335d0b4eContent-Disposition: form-data; name="ABC"02-----------------------------7e21e335d0b4eContent-Disposition: form-data; name="ABC"03