/// <summary> /// 窗体加载事件 /// </summary> /// <param name="sender"></param> /// <param name="e"></param> private void ManagerInfo_Load(object sender, EventArgs e) { com_manager_id.DisplayMember = "Manager_name"; com_manager_id.ValueMember = "Id"; com_manager_id.DataSource = mb.FindAll(); com_manager_id.SelectedItem = null; }