前台界面: 后台代码: namespace _04省市联动 { public partial class Form1 : Form { public Form1() { InitializeComponent(); } private int r = 0; private void Form1_Load(object sender, EventArgs e)
本文在 http://www.cnblogs.com/darrenji/p/3606703.html(感谢博主的分享)基础上加入全国各省市,从文件中读取全国省市县,组成省市联动的选择标签 在Model里定义Province 和 City public class Province { public int ID { get; set; } public string Name { get; set; } } public class City { public int ID { get; set