加载ComboBox控件

       /// <summary>

        /// 加载公司

        /// </summary>

        /// <param name="cbbCompany">Combobox</param>

        public static void LoadValues2Company(System.Windows.Forms.ComboBox cbbCompany)

        {

            cbbCompany.DataSource = null;

            Company oComp = new Company();



            cbbCompany.DisplayMember = "NAME_CHS";

            cbbCompany.ValueMember = "ID";



            DataTable _dt = oComp.GetValidCompany();

            cbbCompany.DataSource = BaseClass.LoadInvalidValueToCombobox(_dt, "ID", "NAME_CHS");

    /// <summary>

        /// 加载一个无意义的值到Combobox控件

        /// </summary>

        /// <param name="dtSource">Combobox控件数据源</param>

        /// <param name="sValue">ValueMember字段</param>

        /// <param name="sDisplay">DisplayMember字段</param>

        /// <returns></returns>

        public static DataTable LoadInvalidValueToCombobox(DataTable dtSource, String sValue, String sDisplay)

        {

            DataRow _drNew = dtSource.NewRow();

            _drNew[sValue] = 0;

            _drNew[sDisplay] = "请选择";

            dtSource.Rows.InsertAt(_drNew, 0);

            dtSource.AcceptChanges();



            return dtSource;

        }