/// <summary> /// 删除功能 /// </summary> /// <param name="sender"></param> /// <param name="e"></param> private void 除ToolStripMenuItem_Click(object sender, EventArgs e) { if (id == 0) { MessageBox.Show("没有删除的信息"); return; } else { DialogResult result = MessageBox.Show("确认要删除该信息吗?", "消息提示", MessageBoxButtons.OKCancel, MessageBoxIcon.Warning); if (result == DialogResult.OK) { GuestManager.DeleteGuestById(id); MessageBox.Show("删除成功"); this.dgvGuest.DataSource = GuestManager.GetAllGuests(); } } }