 <p>9,999,999,999 is more then <code>int32</code> max value (that is 2,147,483,647. <a href="http://msdn.microsoft.com/en-us/library/system.int32.maxvalue(v=vs.110).aspx" rel="nofollow">link</a>)</p> <p>use <code>int64</code> instead (int64 max value is: 9,223,372,036,854,775,807. <a href="http://msdn.microsoft.com/en-us/library/system.int64.maxvalue(v=vs.110).aspx" rel="nofollow">link</a>)</p>