public void ShowProduct()
 {
     int page = 1;
     string text = "-1";
     string state = "";
     try
     {
         if (Request.QueryString["page"] != null)
         {
             page = int.Parse(Request.QueryString["page"].ToString());
         }
         if (Request.QueryString["search"] != null)
         {
             text = Request.QueryString["search"].ToString();
         }
         if (Request.QueryString["state"] != null)
         {
             state = Request.QueryString["state"].ToString();
         }
         if (Request.QueryString["viewall"] != null)
         {
             page = 1;
             text = "";
         }
     }
     catch
     {
     }
     try
     {
         CDynamicViewProduct ViewProduct = new CDynamicViewProduct();
         if (Session["SSListmultiImgPro"] == null)
         {
             ViewProduct.SetPageSize(10);
             ViewProduct.SetIdType(int.Parse(Application["idtypeproduct"].ToString()));
             if (text.Equals("-1"))
             {
                 ViewProduct.BuildWhere();
             }
             else
             {
                 ViewProduct.SetTextSearch(text);
                 ViewProduct.SetHasImage(state);
                 ViewProduct.BuildWhereMultiImg();
             }
             ViewProduct.SetNumMultiImg();
             ViewProduct.SetCurrentPage(page);
             Session["SSListmultiImgPro"] = ViewProduct;
         }
         else
         {
             ViewProduct = (CDynamicViewProduct)Session["SSListmultiImgPro"];
             if (text.Equals("-1"))
             {
                 //ViewProduct.BuildWhere();
             }
             else
             {
                 ViewProduct.SetTextSearch(text);
                 ViewProduct.SetHasImage(state);
                 ViewProduct.BuildWhereMultiImg();
             }
             ViewProduct.SetNumMultiImg();
             ViewProduct.SetCurrentPage(page);
         }
         if (ViewProduct.GetPages() > 1)
         {
             BuildPage(ViewProduct.GetCurrentPage(), ViewProduct.GetPages());
         }
         DataSet ds = ViewProduct.ProductMultiImgFromTo();
         if (ds.Tables.Count == 0)
         {
             strlist = "Lỗi kết nối SQL. Không thể hiển thị dữ liệu";
             return;
         }
         int num = ds.Tables[0].Rows.Count;
         strlist = "<table border='1' cellpadding='1' cellspacing='0' width='100%' bordercolor='#DFDFDF' style='border-collapse:collapse;'>";
         strlist += "<tr class='tlist'><td width='30'>STT</td><td width='70'>Ảnh 1</td><td width='70'>Ảnh 2</td><td width='70'>Ảnh 3</td><td width='70'>Ảnh 4</td><td width='70'>Ảnh 5</td><td width='70'>Quảng cáo thêm</td><td width='50'>Mã SP</td><td width='70'>Tên sản phẩm</td><td width='70'>Giá bán</td></tr>";
         for (int i = 1; i <= num; i++)
         {
             //Id,Name,UrlImage,SellingPrice,WarrantyMonth
             strlist += "<tr>";
             //strlist += "<td align='center'>" + ds.Tables[0].Rows[i - 1]["brand"].ToString() + "</td>";
             string img1 = ds.Tables[0].Rows[i - 1]["img1"].ToString();
             if (img1.Length > 0)
             {
                 img1 = "<img class='imgpro' src='../image/multiimg/" + img1 + "' onclick=\"OnChoicePro(" + ds.Tables[0].Rows[i - 1]["Id"].ToString() + ",event,'" + img1 + "','1');\" />";
             }
             else
             {
                 img1 = "<img class='imgpro' src='../image/common/notimgpro.png' onclick=\"OnChoicePro(" + ds.Tables[0].Rows[i - 1]["Id"].ToString() + ",event,'" + img1 + "','1');\" />";
             }
             string img2 = ds.Tables[0].Rows[i - 1]["img2"].ToString();
             if (img2.Length > 0)
             {
                 img2 = "<img class='imgpro' src='../image/multiimg/" + img2 + "' onclick=\"OnChoicePro(" + ds.Tables[0].Rows[i - 1]["Id"].ToString() + ",event,'" + img2 + "','2');\" />";
             }
             else
             {
                 img2 = "<img class='imgpro' src='../image/common/notimgpro.png' onclick=\"OnChoicePro(" + ds.Tables[0].Rows[i - 1]["Id"].ToString() + ",event,'" + img2 + "','2');\" />";
             }
             string img3 = ds.Tables[0].Rows[i - 1]["img3"].ToString();
             if (img3.Length > 0)
             {
                 img3 = "<img class='imgpro' src='../image/multiimg/" + img3 + "' onclick=\"OnChoicePro(" + ds.Tables[0].Rows[i - 1]["Id"].ToString() + ",event,'" + img3 + "','3');\" />";
             }
             else
             {
                 img3 = "<img class='imgpro' src='../image/common/notimgpro.png' onclick=\"OnChoicePro(" + ds.Tables[0].Rows[i - 1]["Id"].ToString() + ",event,'" + img3 + "','3');\" />";
             }
             string img4 = ds.Tables[0].Rows[i - 1]["img4"].ToString();
             if (img4.Length > 0)
             {
                 img4 = "<img class='imgpro' src='../image/multiimg/" + img4 + "' onclick=\"OnChoicePro(" + ds.Tables[0].Rows[i - 1]["Id"].ToString() + ",event,'" + img4 + "','4');\" />";
             }
             else
             {
                 img4 = "<img class='imgpro' src='../image/common/notimgpro.png' onclick=\"OnChoicePro(" + ds.Tables[0].Rows[i - 1]["Id"].ToString() + ",event,'" + img4 + "','4');\" />";
             }
             string img5 = ds.Tables[0].Rows[i - 1]["img5"].ToString();
             if (img5.Length > 0)
             {
                 img5 = "<img class='imgpro' src='../image/multiimg/" + img5 + "' onclick=\"OnChoicePro(" + ds.Tables[0].Rows[i - 1]["Id"].ToString() + ",event,'" + img5 + "','5');\" />";
             }
             else
             {
                 img5 = "<img class='imgpro' src='../image/common/notimgpro.png' onclick=\"OnChoicePro(" + ds.Tables[0].Rows[i - 1]["Id"].ToString() + ",event,'" + img5 + "','5');\" />";
             }
             string img7 = ds.Tables[0].Rows[i - 1]["img7"].ToString();
             if (img7.Length > 0)
             {
                 img7 = "<img class='imgpro' src='../image/multiimg/" + img7 + "' onclick=\"OnChoicePro(" + ds.Tables[0].Rows[i - 1]["Id"].ToString() + ",event,'" + img7 + "','7');\" />";
             }
             else
             {
                 img7 = "<img class='imgpro' src='../image/common/notimgpro.png' onclick=\"OnChoicePro(" + ds.Tables[0].Rows[i - 1]["Id"].ToString() + ",event,'" + img7 + "','7');\" />";
             }
             strlist += "<td align='center'>" + i + "</td>";
             strlist += "<td align='center'>" + img1 + "</td>";
             strlist += "<td align='center'>" + img2 + "</td>";
             strlist += "<td align='center'>" + img3 + "</td>";
             strlist += "<td align='center'>" + img4 + "</td>";
             strlist += "<td align='center'>" + img5 + "</td>";
             strlist += "<td align='center'>" + img7 + "</td>";
             strlist += "<td align='center'>" + ds.Tables[0].Rows[i - 1]["Id"].ToString() + "</td>";
             strlist += "<td><a href='?menu=updateDes&back=imgpro&id=" + ds.Tables[0].Rows[i - 1]["Id"].ToString() + "'>" + ds.Tables[0].Rows[i - 1]["Name"].ToString() + "</a></td>";
             strlist += "<td align='center'>" + ds.Tables[0].Rows[i - 1]["SellingPrice"].ToString() + "</td>";
             strlist += "</tr>";
         }
         strlist += "</table>";
     }
     catch
     {
         strlist = "";
     }
 }