protected override void Import()
        {
            ImportExport.Import(dgv, new List <string>()
            {
                "試別", "代碼"
            });

            foreach (DataGridViewRow row in dgv.Rows)
            {
                if (row.IsNewRow)
                {
                    continue;
                }
                DataGridViewCell cell = row.Cells[chCode.Index];
                ValidateCodeFormat(cell, 2);
            }
            ValidateDuplication(dgv, chCode.Index, "代碼不能重覆");
            ValidateDuplication(dgv, chExamName.Index, "試別名稱不能重覆");
        }
 protected override void Export()
 {
     ImportExport.Export(dgv, "匯出試別代碼設定");
 }