private void bt_delete_Click(object sender, EventArgs e)
        {
            if (str_tjbh == "")
            {
                return;
            }
            DialogResult result = MessageBox.Show("您将删除姓名为【" + txt_xm.Text.Trim() + "】的登记信息,是否继续?", "删除登记信息",
                                                  MessageBoxButtons.YesNo, MessageBoxIcon.Question, MessageBoxDefaultButton.Button2);

            if (result == DialogResult.No)
            {
                return;
            }
            //string str_delete = xtbiz.GetXtCsz("TjDelete");//0不做任何限制,可以删除;1录入了体检数据后不允许删除;2总检后不允许删除
            //int str_sumover = tjdjbiz.Get_SumOver(str_tjbh, str_tjcs);//0新录入 1录入数据了 2总检了
            //if (str_delete == "1" && str_sumover > 0)
            //{
            //    MessageBox.Show("已经录入了资料的人员不允许删除!", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
            //    return;
            //}
            //if (str_delete == "2" && str_sumover > 1)
            //{
            //    MessageBox.Show("已经总检的人员不允许删除!", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
            //    return;
            //}
            tjdjbiz.Delete_TJ_TJDJB(str_tjbh, str_tjcs);
            MessageBox.Show("删除成功!", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);

            str_tjbh          = "";
            str_tjcs          = "";
            this.DialogResult = DialogResult.OK;
        }