How to access file uplod cntrl in any other class

Question

(ASP.NET C# Language) 

Hi guys, I have just one Default.aspx page in web application where I have file upload control (fileUpload1) and 2nd I have class1.cs I want to access fileUpload1 control in my class1.cs. How is it possible. MoreOver, I want this type code in my class1.cs

 

MailMessage msg = new MailMessage(YourEmail, RecipientEmail, Subj, Message);

msg.Attachments.Add(new Attachment(fileUpload1.PostedFile.InputStream, fileUpload1.FileName);

 

 

Please help me.  Thanks a lot.