Write data to text file in VB

Hi all, i want to write data to a textfile using VB. What can i do?

System.IO.File.AppendAllText(@"C:\Inetpub\wwwroot\Final Year Project (Yap Yeng Thung 063527P)\Project\Website_GreenICT\CPU\CPU.txt")

 i got this coding but there an error at "@" and the error message is expression expected. What should i do?
...