protected void BtnSubmit_Click(object sender, EventArgs e)
        {
            try
            {
                A2ZNATIONALITYDTO objDTO = new A2ZNATIONALITYDTO();

                objDTO.NationalityCode        = Converter.GetSmallInteger(txtcode.Text);
                objDTO.NationalityDescription = Converter.GetString(txtDescription.Text);

                int roweffect = A2ZNATIONALITYDTO.InsertInformation(objDTO);
                if (roweffect > 0)
                {
                    txtcode.Focus();
                    clearinfo();
                    dropdown();
                    gvDetail();
                }
            }
            catch (Exception ex)
            {
                throw ex;
            }
        }