protected void btnOk_Click(object sender, System.EventArgs e)
        {
            string strAnnounce = CleanString.htmlInputText(txtAnnounce.Text);
            string mySql       = "update [Append] set [text]='" + strAnnounce + "' where [id]='3'";
            DBConn myDB        = new DBConn();
            int    iNum        = myDB.ExecuteNonQuery(mySql);

            myDB.Close();

            if (iNum == 1)
            {
                Response.Write("<script>");
                Response.Write("alert('[公告栏] 修改成功!!!');");
                Response.Write("</script>");
            }
        }
        protected void btnAdd_Click(object sender, System.EventArgs e)
        {
            string strName     = txtName.Text.Trim();
            string strCID      = ddlCategory.SelectedValue;
            string strCPrice   = txtCPrice.Text.Trim();
            string strFPrice   = txtFPrice.Text.Trim();
            string strNPrice   = txtNPrice.Text.Trim();
            string strBewrite  = txtBewrite.Text.Trim();
            string strUseMode  = txtUseMode.Text.Trim();
            string strValidity = txtValidity.Text.Trim();

            if (strName == String.Empty || strCPrice == String.Empty || strCID == String.Empty ||
                strFPrice == String.Empty || strNPrice == String.Empty)
            {
                Response.Write("<script>");
                Response.Write("alert('必选项不能为空!!!');");
                Response.Write("</script>");
                return;
            }
            else if (strName.Length > 35)
            {
                Response.Write("<script>");
                Response.Write("alert('输入鲜花名称太长了!!!');");
                Response.Write("</script>");
                return;
            }

            try
            {
                double.Parse(strCPrice);
            }
            catch
            {
                Response.Write("<script>");
                Response.Write("alert('请检查 成本价 的格式!!!');");
                Response.Write("</script>");
                return;
            }
            try
            {
                double.Parse(strFPrice);
            }
            catch
            {
                Response.Write("<script>");
                Response.Write("alert('请检查 原价 的格式!!!');");
                Response.Write("</script>");
                return;
            }
            try
            {
                double.Parse(strNPrice);
            }
            catch
            {
                Response.Write("<script>");
                Response.Write("alert('请检查 现价 的格式!!!');");
                Response.Write("</script>");
                return;
            }

            if (uploadFile.PostedFile.FileName.Trim() != String.Empty && (Path.GetExtension(uploadFile.PostedFile.FileName) != ".gif" && Path.GetExtension(uploadFile.PostedFile.FileName) != ".jpg"))
            {
                Response.Write("<Script>alert('上传的图片格式必须为.gif或.jpg!!')</Script>");
                return;
            }

            strBewrite  = CleanString.htmlInputText(strBewrite);
            strUseMode  = CleanString.htmlInputText(strUseMode);
            strValidity = CleanString.htmlInputText(strValidity);


            string sql = "insert into Products(PName,CID,PCPrice,PFPrice,PNPrice,PBewrite,PUseMode,PValidity) values('" +
                         strName + "'," + strCID + "," + strCPrice + "," + strFPrice + "," +
                         strNPrice + ",'" + strBewrite + "','" + strUseMode + "','" + strValidity + "')";

            DBConn myDB = new DBConn();

            myDB.ExecuteNonQuery(sql);

            myDB.Close();

            if (uploadFile.PostedFile.FileName.Trim() != String.Empty)
            {
                Stream        imagedatastream;
                string        DBPath  = ConfigurationManager.AppSettings["DataBasePath"];
                string        connStr = (DBPath);
                SqlConnection myConn  = new SqlConnection(connStr);
                imagedatastream = Request.Files["uploadFile"].InputStream;
                int    imagedatalen  = Request.Files["uploadFile"].ContentLength;
                string imagedatatype = Request.Files["uploadFile"].ContentType;

                byte[] image = new byte[imagedatalen];
                imagedatastream.Read(image, 0, imagedatalen);

                String Psql = "update Products set PPicture=@imgdata where PID=(select MAX(PID) from products)";

                SqlCommand Pcommand = new SqlCommand(Psql, myConn);

                SqlParameter imgdata = new SqlParameter("@imgdata", SqlDbType.Image);
                imgdata.Value = image;
                Pcommand.Parameters.Add(imgdata);

                myConn.Open();
                Pcommand.ExecuteNonQuery();
                myConn.Close();
            }


            txtName.Text              = "";
            txtCPrice.Text            = "";
            txtFPrice.Text            = "";
            txtNPrice.Text            = "";
            txtBewrite.Text           = "";
            txtUseMode.Text           = "";
            txtValidity.Text          = "";
            ddlCategory.SelectedIndex = 0;


            Response.Write("<script>");
            Response.Write("alert('成功添加!!!');");
            Response.Write("</script>");
        }