protected void btnUpdate_Click(object sender, EventArgs e)
    {
        //保存修改到数据库
        try
        {
            DepartmentDal departmentDal = new DepartmentDal();
            if (ViewState["OP"].ToString() == "ADD")
            {
                departmentDal.Insert(txtDepartmentName.Text, txtRemark.Text);
            }
            else
            {
                departmentDal.Save(txtDepartmentID.Text, txtDepartmentName.Text, txtRemark.Text);

            }
            JScript.Instance.ShowMessage(UpdatePanel1, "保存数据成功。");
        }
        catch (Exception ex)
        {
            JScript.Instance.ShowMessage(UpdatePanel1, string.Format("保存数据失败,原因:'{0}'", ex.Message));
        }
    }