string[] lines = File.ReadAllLines(""); Random rand = new Random();
Textbox1.Text=lines[rand.Next(lines.Length-1)];
string[] lines= System.IO.File.ReadAllLines(@"c:\1.dc"); Random rnd = new Random(); int index=rnd.Next(0, lines.Length - 1); string line = lines[index];
string[] lines = File.ReadAllLines("");
Random rand = new Random();
Textbox1.Text=lines[rand.Next(lines.Length-1)];
Random rnd = new Random();
int index=rnd.Next(0, lines.Length - 1);
string line = lines[index];