title: How to add numbers in a loop
body: <p>I am new in c#,</p>
  
  <p>I want to add the numbers in my coding .</p>
  
  <p>I dont know how to loop.</p>
  
  <p>I want to add numbers in a loop for each time i want to add 500 in my Addition</p>
  
  <p>I want to do something like this in loop for every time</p>
  
  <pre><code>   int StartTime = int.Parse("90000");
     int Add = StartTime + "500";
  </code></pre>