operation time of method
<p>how to know, how much time take method in C#
for example, i have label1 and method  </p>

<pre><code>    public int MakeSome(int a, int b)
    {

        for (int i = 0; i &lt; a; i++)
        {
            for (int j = 0; j &lt; b; j++)
            {
               // some operation
            }
        }
        return returnIntValue;
    }
</code></pre>

<p>know, how to know how many milliseconds take MakeSome method, and write value in label1.
thanks</p>
