public object getCPUCounter()
    {

        PerformanceCounter cpuCounter = new PerformanceCounter();
        cpuCounter.CategoryName = "Processor";
        cpuCounter.CounterName = "% Processor Time";
        cpuCounter.InstanceName = "_Total";

        // will always start at 0
        dynamic firstValue = cpuCounter.NextValue();
        System.Threading.Thread.Sleep(1000);
        // now matches task manager reading
        dynamic secondValue = cpuCounter.NextValue();

        return secondValue;

    }
// make button in the design and put this code
    protected void Button3_Click(object sender, EventArgs e)
    {

    var cpuPercent = getCPUCounter();
        PerformanceCounter theMemCounter =
   new PerformanceCounter("Memory", "Available MBytes");
    var mem = theMemCounter.NextValue();
        Response.Write("the cpu value  "+ cpuPercent  +"  % " +  "    the memory value    " + mem );
    }