private void lv_information_MouseUp(object sender, MouseEventArgs e)
        {
             if (e.Button == MouseButtons.Right)
            {
                if (lv_information.SelectedItems.Count > 0)
                {
                    delete.Enabled = true;
                }
                else
                {
                    delete.Enabled = false;
                }
            }
        }        private void delete_click(object sender, EventArgs e)
        {
           lv_information.Items.Remove(lv_information.SelectedItems[0]);
        }
为什么没有反应???删除不了记录,其中录入数据时,数据会显示在ListView中,没有存在数据库里