/// <summary>
        /// 更新信息
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void btn_Update_Click(object sender, EventArgs e)
        {
            if (btn_Update.Text == "保 存")                                                                   //保存功能
            {
                if (!string.IsNullOrEmpty(txtName.Text.Trim()))
                {
                    //判断姓名是否重复
                    string    sql        = "Select * from Personnel where enable='1' and name='" + DESJiaMi.Encrypt(txtName.Text.Trim()) + "' and id<>" + CurrentSelectNumber + " ;";
                    DataTable userUpdate = DbHelperOleDb.Query(sql, new Dictionary <string, object>()).Tables[0];
                    if (userUpdate != null && userUpdate.Rows.Count > 0)
                    {
                        MessageBox.Show("该姓名信息已经存在,不能重新添加该姓名的员工信息!!!", "保存", MessageBoxButtons.OK, MessageBoxIcon.Warning);
                        return;
                    }
                    else
                    {
                        //执行更新
                        Personnel personnel = new Personnel();
                        personnel.name           = DESJiaMi.Encrypt(txtName.Text.Trim());
                        personnel.gender         = cboxGender.Text != "" ? DESJiaMi.Encrypt(cboxGender.Text.Trim()) : "";
                        personnel.lxdh           = txtLxdh.Text != "" ? DESJiaMi.Encrypt(txtLxdh.Text.Trim()) : "";
                        personnel.mainwork       = richMainjob.Text;
                        personnel.createtime     = labCreateTime.Text;
                        personnel.createusername = UserInfo.userName;
                        personnel.enable         = "1";
                        List <termList> termes = new List <termList>();
                        termes.Add(new termList("id", "id1", CurrentSelectNumber, 0));
                        if (DbHelperOleDb.Update(personnel, "Personnel", termes, null, true))
                        {
                            updateORAddSuccess = true;
                            MessageBox.Show("保存成功!", "修改", MessageBoxButtons.OK, MessageBoxIcon.Information);
                            //ClearnNeiRong();                        //清空内容
                            IsAddNeiRong(false);
                            SetButtonStatus(true, true, true);      //重置按钮状态
                            LoadPersonelInfo();                     //重新加载职工列表
                            btn_Update.Text = "修 改";
                        }
                        else
                        {
                            MessageBox.Show("保存失败!", "修改", MessageBoxButtons.OK, MessageBoxIcon.Information);
                        }
                    }
                }
                else
                {
                    MessageBox.Show("请先输入有效的“姓名”信息!!!", "保存", MessageBoxButtons.OK, MessageBoxIcon.Warning);
                }
            }
            else
            {
                if (!string.IsNullOrEmpty(txtName.Text) && !string.IsNullOrEmpty(CurrentSelectNumber))        //修改功能
                {
                    //信息可编状态
                    IsAddNeiRong(true);

                    btn_Update.Text = "保 存";

                    //设置按钮状态
                    SetButtonStatus(true, false, false);
                }
                else
                {
                    MessageBox.Show("未选择有效的员工信息数据,无法进行修改。\r\n请先双击左侧待修改的员工列表中需要修改的记录", "修改", MessageBoxButtons.OK, MessageBoxIcon.Warning);
                }
            }
        }