public void LuuMangPhanSo(string filepath){
Streamwriter writer = new Streamwriter();
console.writeLine("Nhap vao so luong phan so");
int N = int.Parse(console.readline());
PHANSO ps = new PHANSO();
for(int i = 0; i<N;i++){
ps.Luu(writer);
}
writer.Close();
}
cHVibGljIHZvaWQgTHV1TWFuZ1BoYW5TbyhzdHJpbmcgZmlsZXBhdGgpewogICAgU3RyZWFtd3JpdGVyIHdyaXRlciA9IG5ldyBTdHJlYW13cml0ZXIoKTsKICAgIGNvbnNvbGUud3JpdGVMaW5lKCJOaGFwIHZhbyBzbyBsdW9uZyBwaGFuIHNvIik7CiAgICBpbnQgTiA9IGludC5QYXJzZShjb25zb2xlLnJlYWRsaW5lKCkpOwogICAgUEhBTlNPIHBzID0gbmV3IFBIQU5TTygpOwogICAgZm9yKGludCBpID0gMDsgaTxOO2krKyl7CiAgICAgICAgcHMuTHV1KHdyaXRlcik7CiAgICB9CiAgICB3cml0ZXIuQ2xvc2UoKTsKfQ==
prog.cs(1,7): error CS1525: Unexpected symbol `void', expecting `class', `delegate', `enum', `interface', `partial', `ref', or `struct'
Compilation failed: 1 error(s), 0 warnings