static void Main(string[] args) { //tao socket , ipendpoin Client cl = new Client(); //ket noi toi sever cl.Ketnoi(); //nhan du lieu //gui du lieu string s; cl.nhan(); do { Console.Write("Client: "); s = Console.ReadLine(); cl.Gui(s); if (s == "text1.txt" || s == "text2.txt" || s == "text3.txt") { //nhap duong dan Console.Write("Nhap duong dan: "); string sf = Console.ReadLine(); sf = sf + "\\" + s; cl.CreateFIle(sf, cl.nhan()); } } while (s != "exit"); }