C# Online Compiler | .NET Fiddle

<no name> by Anonymous

using System;
using System.Net;

static class Program
{
	public static void Main()
	{
		using (MyClient client = new MyClient())
		{
			client.HeadOnly = true;
			string uri = "https://traceability.walmartmobile.cn/walmart/p/100009190500000001000"; // 01000";
			for (var x = 0; x < 10; x++)
			{
				for (var y = 0; y < 100000; y++)
				{
					uri = "https://traceability.walmartmobile.cn/walmart/p/100009190" + x.ToString() + "000000" + y.ToString("00000");
					//uri = "https://traceability.walmartmobile.cn/walmart/p/100009190500000001000";// 01000";
					try
					{
						client.HeadOnly = false;
						string text = client.DownloadString(uri);
						if (text.Contains("<body>\r\n<script>\r\n    window.location = \"http://www.wal-martchina.com"))
							Console.WriteLine(uri + " 1 redirect");
						else
							Console.WriteLine(uri + " 1 product?");
					}
					catch (Exception ex)
					{
						Console.WriteLine(uri + " 0");
					}
				}
			}
		}
	}
}

class MyClient : WebClient
{
	public bool HeadOnly
	{
		get;
		set;
	}

	protected override WebRequest GetWebRequest(Uri address)
	{
		WebRequest req = base.GetWebRequest(address);
		if (HeadOnly && req.Method == "GET")
		{
			req.Method = "HEAD";
		}

		return req;
	}
}

​x
 
using System;
using System.Net;
​
static class Program
{
    public static void Main()
    {
        using (MyClient client = new MyClient())
        {
            client.HeadOnly = true;
            string uri = "https://traceability.walmartmobile.cn/walmart/p/100009190500000001000"; // 01000";
            for (var x = 0; x < 10; x++)
            {
                for (var y = 0; y < 100000; y++)
                {
                    uri = "https://traceability.walmartmobile.cn/walmart/p/100009190" + x.ToString() + "000000" + y.ToString("00000");
                    //uri = "https://traceability.walmartmobile.cn/walmart/p/100009190500000001000";// 01000";
                    try
                    {
                        client.HeadOnly = false;
                        string text = client.DownloadString(uri);
                        if (text.Contains("<body>\r\n<script>\r\n    window.location = \"http://www.wal-martchina.com"))
                            Console.WriteLine(uri + " 1 redirect");
                        else
                            Console.WriteLine(uri + " 1 product?");
                    }
                    catch (Exception ex)
                    {
                        Console.WriteLine(uri + " 0");
                    }
                }
            }
        }
    }
}
​
class MyClient : WebClient
{
    public bool HeadOnly
    {
        get;
        set;
    }
​
    protected override WebRequest GetWebRequest(Uri address)
    {
        WebRequest req = base.GetWebRequest(address);
        if (HeadOnly && req.Method == "GET")
        {
            req.Method = "HEAD";
        }
​
        return req;
    }
}

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Last Run:	6:45:05 pm
Compile:	0.164s
Execute:	0s
Memory:	0b
CPU:	0.016s

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