private void Form1_Load(object sender, EventArgs e) { Prov p1 = new Prov() { ProvName = "山东", ProvId = 1 }; //对象初始化器 Prov p2 = new Prov() { ProvName = "山西", ProvId = 2 }; Prov p3 = new Prov() { ProvName = "北京", ProvId = 3 }; Prov p4 = new Prov() { ProvName = "上海", ProvId = 4 }; comboBox1.Items.Add(p1); comboBox1.Items.Add(p2); comboBox1.Items.Add(p3); comboBox1.Items.Add(p4); //向下拉菜单添加省份 //comboBox1.Items.Add("山东"); //comboBox1.Items.Add("山西"); //comboBox1.Items.Add("北京"); //comboBox1.Items.Add("上海"); }
private void button1_Click(object sender, EventArgs e) { //显示选中项的名称 //MessageBox.Show(comboBox1.Text); Prov p = (Prov)comboBox1.SelectedItem; MessageBox.Show("省份:" + p.ProvName + "\nId:" + p.ProvId); }