是否可以在ASP.NET中未在FTP中设置的网站服务器上传文件？

I'm creating a web tool in ASP.NET(c#) which can upload images to different sites and one of the sites is not set-up in FTP. Is it possible to upload files in the that site(with credentials)? If it is, can you please enlighten me on the process?I'm creating a web tool in ASP.NET(c#) which ca