new StreamWriter("c:\aaaaa.txt") 路径中具有非法字符
StreamWriter sw=new StreamWriter("c:\aaaaa.txt")

提示路径中具有非法字符，上面的句子该如何写呢

[解决办法]
StreamWriter("c:\\aaaaa.txt")
[解决办法]
StreamWriter sw=new StreamWriter("c:\\aaaaa.txt")
或
StreamWriter sw=new StreamWriter(@"c:\aaaaa.txt")