namespace WindowsFormsApplication1{    public partial class Form1 : Form    {        public Form1()        {            InitializeComponent();        }        private void Form1_Load(object sender, EventArgs e)        {                        //设置该listview关联的imagelist            listView1.LargeImageList = imageList2;            listView1.SmallImageList = imageList1;            //显示详细信息            listView1.View = View.Details;            //添加组            ListViewGroup lg1 = new ListViewGroup();            lg1.Header = "一组";            lg1.Name = "one";            listView1.Groups.Add(lg1);            ListViewGroup lg2 = new ListViewGroup();            lg2.Header = "二组";            lg2.Name = "two";            listView1.Groups.Add(lg2);            //添加列            listView1.Columns.Add("代号");            listView1.Columns.Add("姓名");            listView1.Columns.Add("生日");            //选中整行            listView1.FullRowSelect = true;            //显示checkbox            listView1.CheckBoxes = true;            //添加项，listview每一条数据称为一项            InfoDA da = new InfoDA();            List<Info> list = da.Select();            foreach (Info data in list)            {                //造主项                ListViewItem zhuxiang = new ListViewItem();                zhuxiang.Text = data.Code;                zhuxiang.ImageIndex = 0;                zhuxiang.Group = listView1.Groups[0];                //造子项                ListViewItem.ListViewSubItem zi1 = new ListViewItem.ListViewSubItem();                zi1.Text = data.Name;                zhuxiang.SubItems.Add(zi1);                ListViewItem.ListViewSubItem zi2 = new ListViewItem.ListViewSubItem();                zi2.Text = data.Birthday.ToString("yyyy-MM-dd"); ;                zhuxiang.SubItems.Add(zi2);                //添加项                listView1.Items.Add(zhuxiang);            }            foreach (Info data in list)            {                //造主项                ListViewItem zhuxiang = new ListViewItem();                zhuxiang.Text = data.Code;                zhuxiang.ImageIndex = 1;                zhuxiang.Group = listView1.Groups[1];                //造子项                ListViewItem.ListViewSubItem zi1 = new ListViewItem.ListViewSubItem();                zi1.Text = data.Name;                zhuxiang.SubItems.Add(zi1);                ListViewItem.ListViewSubItem zi2 = new ListViewItem.ListViewSubItem();                zi2.Text = data.Birthday.ToString("yyyy-MM-dd"); ;                zhuxiang.SubItems.Add(zi2);                //添加项                listView1.Items.Add(zhuxiang);            }        }        private void button1_Click(object sender, EventArgs e)        {            listView1.View = View.Details;        }        private void button2_Click(object sender, EventArgs e)        {            listView1.View = View.LargeIcon;        }        private void button3_Click(object sender, EventArgs e)        {            listView1.View = View.SmallIcon;        }        private void button4_Click(object sender, EventArgs e)        {            if (listView1.SelectedItems.Count > 0)            {                MessageBox.Show(listView1.SelectedItems[0].Text);            }        }        private void button5_Click(object sender, EventArgs e)        {            //listView1.CheckBoxes = true;        }        private void button6_Click(object sender, EventArgs e)        {            string s = "";            foreach (ListViewItem item in listView1.CheckedItems)            {                s += item.Text+"--";            }            MessageBox.Show(s);        }    }}