C#自动生成控件问题 - 编程论坛

#2

八方科技2010-09-27 16:46

自己顶上去!

#3

bygg2010-09-27 17:50

加载控件的代码放在page_load里,在这段代码外面加if(!IsPostBack){}

#4

八方科技2010-09-28 11:45

多谢楼上的回答,但是你的方法不对,这样设置了以后,点击radiobutton按钮的时候,就不会再加载数据库里的数据了

#5

bygg2010-09-28 12:01

把你的代码放出来吧

#6

saitor2010-09-28 16:12

radiobutton_1这个看看有没有把AUTOPOSTBACK属性设为TRUE，把你事件绑定代码放出来。

#7

八方科技2010-10-02 13:26

  //加载产品列表信息
        private void JIAZAIchanpin(int xiaolei)
        {

            this.PanelPINFO.Controls.Clear();
            DataBase db = new DataBase();
            string sql = "select * from product where product_t=" + xiaolei;
            DataTable dt = db.GetDataTable(sql);
            if (dt.Rows.Count > 0)
            {
                this.PanelPINFO.Controls.Clear();
                RadioButton[] rpn = new RadioButton[dt.Rows.Count];
                for (int i = 1; i < dt.Rows.Count; i++)
                {
                    rpn[i] = new RadioButton();
                    rpn[i].Text = dt.Rows[i]["product_n"].ToString();
                    rpn[i].ID = "p" + dt.Rows[i]["product_id"].ToString();
                    rpn[i].GroupName = "pro";
                    rpn[i].AutoPostBack = true;
                    rpn[i].CheckedChanged += new EventHandler(rpn_CheckedChanged);
                    PanelPINFO.Controls.Add(rpn[i]);
                }
            }
        }
//点击自动生成的商品列表里面的任意一个商品名称
        private void rpn_CheckedChanged(object sender, EventArgs e)
        {
            RadioButton rb = (RadioButton)sender;
            Session["pmpid"] = rb.ID.ToString().Substring(1);
            DataBase db2 = new DataBase();
            string sql2 = "select * from product_info where product_id=" + Convert.ToInt32(Session["pmpid"]);
            DataTable dt2 = db2.GetDataTable(sql2);
            DDLsmalltype.SelectedValue = dt2.Rows[0]["product_t"].ToString();
            Txtcount.Text = dt2.Rows[0]["product_count"].ToString();
            Txtpdescribe.Text = dt2.Rows[0]["product_d"].ToString();
            Txtpname.Text = dt2.Rows[0]["product_n"].ToString();
            Txtsellprice.Text = dt2.Rows[0]["product_sell_price"].ToString();
            Imgproduct.ImageUrl = dt2.Rows[0]["product_i"].ToString();
            Txtyjcount.Text = dt2.Rows[0]["product_yjcount"].ToString();
            Txtzhibao.Text = dt2.Rows[0]["product_zhibao"].ToString();
            DDLdanwei.SelectedValue = dt2.Rows[0]["product_danwei"].ToString();


        }
//对产品信息进行更新，相当于点击按钮B
        protected void BtnUpdate_Click(object sender, EventArgs e)
        {
            Productcs pcs = new Productcs();
            pcs.productname = Txtpname.Text.ToString();
            pcs.productid = Convert.ToInt32(Session["pmpid"]);
            pcs.productt =Convert .ToInt32 (DDLsmalltype .SelectedValue );
            pcs.product_sellp =Convert.ToDouble(Txtsellprice .Text.ToString ());
            pcs.product_yj = Convert.ToInt32(Txtyjcount.Text.ToString());
            pcs.producti = "~/productimage/" + Session["pmpid"].ToString() + ".jpg";
            pcs.productd = Txtpdescribe.Text.ToString();
            pcs.product_danwei = Convert.ToInt32(DDLdanwei.SelectedValue);//数量单位
            try
            {
                pcs.product_zhibao = Convert.ToInt32(Txtzhibao.Text.ToString());//质保月份
            }
            catch { }
            if (FUimage.FileName != "")
            {
                try
                {
                    string fileadress = Server.MapPath("~//productimage//") + Session["pmpid"].ToString() + ".jpg";
                    File.Delete(fileadress);
                }
                catch { }
                imagename = Session["pmpid"].ToString();
                UpdateImage();
            }
            bool suc = pcs.UpdateProduct(pcs);
            if (suc)
            {
                Session["pmpid"] = null;
                Session["pmtid"] = null;
                Response.Write("<script>alert('商品信息更新成功!');window.location.href ='productmanage.aspx'</script>");
            }
            else
            {
            }
        }