C#ListView控件的相关用法

 private void LoadData()        {            string sql = @"select 编号,姓名,性别,住址 from 学生表";            DataTable dt = DBUtil.GetData(sql);            if (dt.Rows.Count==0)            {                return;            }            //listview的绑定数据方式--先声明列            this.listView1.Columns.Clear();            this.listView1.Columns.Add("编号");            this.listView1.Columns.Add("姓名");            this.listView1.Columns.Add("性别");            this.listView1.Columns.Add("住址");            int count = dt.Rows.Count;            //再为行赋值，for循环赋值            for (int i = 0; i < count; i++)            {                //要先声明ListViewItem实例                ListViewItem item = new ListViewItem(dt.Rows[i]["编号"].ToString());                item.SubItems.Add(dt.Rows[i]["姓名"].ToString());                item.SubItems.Add(dt.Rows[i]["性别"].ToString());                item.SubItems.Add(dt.Rows[i]["住址"].ToString());                this.listView1.View = View.Details;                this.listView1.Items.Add(item);            }            //建立分组            this.listView1.Groups.Add(new ListViewGroup("男"));            this.listView1.Groups.Add(new ListViewGroup("女"));            for (int i = 0; i < this.listView1.Items.Count; i++)            {                //获取子列的值，根据性别这一列分组                if (this.listView1.Items[i].SubItems[2].Text.ToString() == "男")                {                    this.listView1.Groups[0].Items.Add(this.listView1.Items[i]);                }                else                {                    this.listView1.Groups[1].Items.Add(this.listView1.Items[i]);                }            }        }