private void btn_insatu_Click(object sender, EventArgs e) { frm_nyukin_ichiran_preview frm_rpt = new frm_nyukin_ichiran_preview(); //子画面のプロパティに値をセットする frm_rpt.ppt_dt = w_dt_insatu; frm_rpt.w_hd01 = dtp_nyukin_date1.Text; frm_rpt.w_hd02 = dtp_nyukin_date2.Text; if (tb_torihikisaki_cd1.Text.ToString() == "") { frm_rpt.w_hd11 = "指定なし"; } if (tb_torihikisaki_cd2.Text.ToString() == "") { frm_rpt.w_hd20 = "指定なし"; } else { frm_rpt.w_hd11 = tb_torihikisaki_cd1.Text; frm_rpt.w_hd20 = tb_torihikisaki_cd2.Text; } frm_rpt.ShowDialog(); //子画面から値を取得する frm_rpt.Dispose(); }