I have encountered a few errors during the build of my website please help? I also lost my navigation links too!
Error 5 The type or namespace name 'ModelBinding' does not exist in the namespace 'System.Web' (are you missing an assembly reference?) c:\users\andrew\documents\visual studio 2012\Projects\Wingtip Toys3\Wingtip Toys3\ProductList.aspx.cs 8 18 Wingtip Toys3
Error 6 The type or namespace name 'QueryString' could not be found (are you missing a using directive or an assembly reference?) c:\users\andrew\documents\visual studio 2012\Projects\Wingtip Toys3\Wingtip Toys3\ProductList.aspx.cs 19 49 Wingtip Toys3
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using WingtipToys.Models;
using System.Web.ModelBinding; //
area of error
namespace WingtipToys
{< ...
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