程序代码：

namespace 数据排序
{
    public partial class Form2 : Form
    {
        public Form2()
        {
            InitializeComponent();
        }

        private void Form2_Activated(object sender, EventArgs e)
        {
            textBox1.Text = "";
            textBox1.Focus();
            label1.Text = "please input:" + (Form1.i + 1) + "geshu";

        }

        private void button1_Click(object sender, EventArgs e)
        {
            Form1.num[Form1.i] = int.Parse(textBox1.Text);
        }
    }
}namespace 数据排序
{
    public partial class Form1 : Form
    {

        public static int[] num = new int[10];
        public static int i;

        public Form1()
        {
            InitializeComponent();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            Form2 frm2 = new Form2();
            for (int i = 0; i < 10; )
            {
                if (DialogResult.OK == frm2.ShowDialog())
                    i++;

            }
            label1.Text += " the num is \n\n\n";
            for (i = 0; i < 10; i++)
                label1.Text += num[i] + " ";
            int tempt = num[0];
            for (i = 0; i <= 10; i++)
            {
                for (int j = i + 1; j < 10; j++)
                {
                    if (num[i] > num[j])
                    {
                        tempt = num[i];
                        num[i] = num[j];
                        num[j] = tempt;
                    }





                }
            }
            for (i = 0; i <= 10; i++)
                label1.Text += num[i] + " ";
        }
    }
}