/// <summary>
        /// 初始化页面
        /// </summary>
        public void InitPage()
        {
            try
            {
                if (this.AdvertID != 0)
                {
                    List <AdvertEntity> advertEntity = AdvertLogic.GetAdvertOnLineImage(AdvertID);

                    if (advertEntity[0].AdContent.Length > 0)
                    {
                        Response.AddHeader("Content-Disposition", "filename=img" + AdvertID);
                        Response.ContentType = "image/*";
                        Response.BinaryWrite(advertEntity[0].AdContent);
                        Response.End();
                    }
                }
                else if (this.InfoCategoryID != 0)
                {
                    DataTable dt = WebInfoLogic.WebInfoCategoryImage(InfoCategoryID);

                    if (dt.Rows[0]["MiniatureName"].ToString().Length > 0)
                    {
                        Response.AddHeader("Content-Disposition", string.Format("filename=img{0}.jpg", this.InfoCategoryID));
                        Response.ContentType = "image/*";
                        Response.BinaryWrite((byte[])dt.Rows[0]["MiniatureName"]);
                        Response.End();
                    }
                }
            }
            catch (Exception ex)
            {
                new MessageBoxHelper().RegisterStartupScript(string.Format("<script>winow.open('{0}');", ex.Message));
            }
        }