//新增按鍵中的方法

private void btnMemberIDAdd_Click(object sender, EventArgs e)

        {

            List<string> lst = new List<string>();

            foreach (string s in txtMemberID.Text.Split(new string[] { "\r\n" }, StringSplitOptions.RemoveEmptyEntries))

                lst.Add(s);//將分割出來的字串新增到集合中

            foreach (string s in lst)

            {

                //進行單行或多行新增

                ListViewItem lvi = new ListViewItem();

                if (combMemberType.SelectedItem == null)

                {

                    MessageBox.Show("請選擇型別", "提示資訊",MessageBoxButtons.OK,MessageBoxIcon.Information);

                    return;

                }

                lvi.SubItems.Add(combMemberType.SelectedItem.ToString());

                lvi.Text = s;

                lvMemberID.Items.Add(lvi);   //自己的listview(lvMemberID)與listViewItem物件lvi進行關聯

            }           

            txtMemberID.Text = null;

            txtMemberID.Focus();

        }   

//刪除按鍵中的方法

        private void btnMemberIDDel_Click(object sender, EventArgs e)

        {

            if (lvMemberID.SelectedItems.Count == 0)

            {

                MessageBox.Show("請選擇所要刪除的項", "提示資訊", MessageBoxButtons.OKCancel, MessageBoxIcon.Warning);

            }

            int n = lvMemberID.SelectedItems.Count;

            for (int i = 0; i < n; i++)

            {

                lvMemberID.SelectedItems[0].Remove();

            }

        }