asp文件上传下载模块（完全能实现）

using System; using System.Collections.Generic; using System.Linq; using System.Text; namespace WindowsFormsApplication1 { class Student { private string name; public string Name { get { return name; } set { name = value; } } private int age; public int Age { get { return age; } set { if (value > 18 && value < 25) { age = value; } else { age = 18; } } } private string major; public string Major { get { return major; } set { major = value; } } private string birth; public string Birth { get { return birth; } set {birth = value; } } private string sex; public string Sex { get { return sex; } set { sex = value; } } } } using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Windows.Forms; namespace WindowsFormsApplication1 { public partial class Form1 : Form { public Form1() { InitializeComponent(); } private void 增加ToolStripMenuItem_Click(object sender, EventArgs e) { Student SS = new Student(); if (radioButton1.Checked == true) { SS.Sex = "男"; } if (radioButton2.Checked == true) { SS.Sex = "女"; } SS.Name = textBox1.Text; SS.Age = int.Parse(this.textBox2.Text); SS.Major = textBox3.Text; SS.Birth = textBox4.Text; listBox1.Items.Add(" 姓名:" + SS.Name + " 性别：" + SS.Sex + " 年龄:" + SS.Age + " 专业:" + SS.Major + " 籍贯:" + SS.Birth); } private void 删除ToolStripMenuItem_Click(object sender, EventArgs e) { this.listBox1.Items.Remove(listBox1.SelectedItem); } } }