public void btnPost_Click(object sender, EventArgs e)
    {
        ProductBrand brand = null;

        if (brandID == 0)
        {
            brand = new ProductBrand();
        }
        else
        {
            brand = ProductBrands.GetProductBrand(brandID);
        }
        brand.BrandAbstract = this.txtBrandAbstract.Text;
        brand.BrandContent  = this.txtBrandContent.Text;
        if (ddlBrandGroup.SelectedIndex == 0)
        {
            brand.BrandGroup = this.txtBrandGroup.Text;
        }
        else
        {
            brand.BrandGroup = this.ddlBrandGroup.Text;
        }
        brand.BrandName    = this.txtBrandName.Text;
        brand.BrandTitle   = this.txtBrandTitle.Text;
        brand.DisplayOrder = Convert.ToInt32(this.txtDisplayOrder.Text);
        brand.BrandStatus  = csBrand.SelectedValue;
        if (fuLogo.PostedFile != null && fuLogo.PostedFile.ContentLength > 0)
        {
            brand.BrandLogo = Path.GetFileName(fuLogo.PostedFile.FileName);
        }
        DataActionStatus status;

        if (brandID == 0)
        {
            status = ProductBrands.Create(brand, fuLogo.PostedFile.InputStream);

            switch (status)
            {
            case DataActionStatus.DuplicateName:
                mbMessage.ShowMsg("新增产品品牌失败,存在同名产品品牌!", Color.Red);
                break;

            case DataActionStatus.UnknownFailure:
                mbMessage.ShowMsg("新增产品品牌失败,请联系管理员!", Color.Red);
                break;

            case DataActionStatus.Success:
            default:
                mbMessage.ShowMsg("新增产品品牌成功,可继续填写新品牌信息,若完成请返回!", Color.Navy);
                break;
            }
        }
        else
        {
            status = ProductBrands.Update(brand, fuLogo.PostedFile.InputStream);

            switch (status)
            {
            case DataActionStatus.DuplicateName:
                mbMessage.ShowMsg("修改产品品牌失败,存在同名产品品牌!", Color.Red);
                break;

            case DataActionStatus.UnknownFailure:
                mbMessage.ShowMsg("修改产品品牌失败,请联系管理员!", Color.Red);
                break;

            case DataActionStatus.Success:
            default:
                mbMessage.ShowMsg("修改产品品牌成功,可继续修改品牌信息,若完成请返回!", Color.Navy);
                break;
            }
            //if (status == DataActionStatus.Success)
            //{
            //    BindGroupList();
            //    BindData();
            //}
        }
        if (status == DataActionStatus.Success)
        {
            BindGroupList();
            BindData();
        }
    }