private bool kiem_tra_du_lieu_nhan_vien_truoc_khi_luu()
{
var flag = true;
m_lst_nhan_vien_khong_ton_tai = new BindingList<string>();
var v_i_row_count = m_grv_main.RowCount;
for(int v_i_row = 0; v_i_row < v_i_row_count; v_i_row++)
{
var v_str_ma_nv = m_grv_main.GetRowCellValue(v_i_row, RPT_LUONG.MA_NV).ToString();
if(!ExecuteFuntion.KiemTraNhanVienCoTrongCsdlChua(v_str_ma_nv))
{
flag = false;
m_lst_nhan_vien_khong_ton_tai.Add(v_str_ma_nv);
}
}
return flag;
}