private void message_log_meisai_disp() { if (dgv_message_log.SelectedRows.Count >= 1) { tb_message_datetime.Text = w_dt_message_log.Rows[dgv_message_log.CurrentRow.Index][0].ToString(); tb_user_cd_from.Text = w_dt_message_log.Rows[dgv_message_log.CurrentRow.Index][1].ToString(); tb_user_cd_from_name.Text = tss.get_user_name(dgv_message_log.CurrentRow.Cells[1].Value.ToString()); tb_user_cd_to.Text = w_dt_message_log.Rows[dgv_message_log.CurrentRow.Index][2].ToString(); tb_user_cd_to_name.Text = w_dt_message_log.Rows[dgv_message_log.CurrentRow.Index][3].ToString(); tb_message_syori_name.Text = w_dt_message_log.Rows[dgv_message_log.CurrentRow.Index][4].ToString(); tb_message_naiyou.Text = w_dt_message_log.Rows[dgv_message_log.CurrentRow.Index][5].ToString(); tb_kidoku_datetime.Text = w_dt_message_log.Rows[dgv_message_log.CurrentRow.Index][6].ToString(); if (tb_kidoku_datetime.Text.Length == 0) { btn_kidoku.Visible = true; } else { btn_kidoku.Visible = false; } } }