1
try the following
Random RandomClass = new Random(); int[] Nums = new int[3];
Nums[0]= RandomClass.Next(0, 50);
Nums[1] = RandomClass.Next(0, 50);
Nums[2] = RandomClass.Next(0, 50);
Array.Sort(Nums);
tb1.Text = Nums[0].ToString();
tb2.Text = Nums[1].ToString();
tb3.Text = Nums[2].ToString();