private void but_new_Click(object sender, EventArgs e)
        {
            txt = tb_dre.Text;
            HCSCM_dressing_new hcsm = new HCSCM_dressing_new(null, select_id, dre);

            //获取一个值,指是否在Windows任务栏中显示窗体。
            hcsm.ShowInTaskbar = false;
            hcsm.ShowDialog();
            Loaddata(select_id);
        }
        //修改
        private void but_edit_Click(object sender, EventArgs e)
        {
            SortedList slindata = new SortedList();

            try
            {
                slindata.Add("id", dgv_01.SelectedRows[0].Cells["id"].Value);
                slindata.Add("dre_id", dgv_01.SelectedRows[0].Cells["dre_id"].Value);
                slindata.Add("dre_name", dgv_01.SelectedRows[0].Cells["dre_name"].Value);
                slindata.Add("dre_count", dgv_01.SelectedRows[0].Cells["dre_count"].Value);
                slindata.Add("dre_type", dgv_01.SelectedRows[0].Cells["dre_type"].Value);

                slindata.Add("ca_remarks", dgv_01.SelectedRows[0].Cells["ca_remarks"].Value);

                HCSCM_dressing_new hcsm = new HCSCM_dressing_new(slindata, null, dre);
                hcsm.ShowDialog();
                Loaddata(select_id);
            }
            catch
            {
                MessageBox.Show("请选择敷料包衣物。", "提示信息", MessageBoxButtons.OK, MessageBoxIcon.Information);
                Loaddata(select_id);
            }
        }