title: how to update an identity column values
body: <pre><code>ID  EmployeeName    Address PhoneNo EmailID DOB DOJ Designation Department  CraetedDate
  2   Sabarish    Saidapet    9600387983  sabari@gmail.com    -1973   -2012   Ase Software    2013-05-15 17:07:43.223
  10  Karthik Chrompet    9865028330  karthik@gmail.com   -1968   -2008   SoftwareEngineeer   Software    2013-05-15 15:40:41.613
  15  Sabarish    Saidapet    9600387983  sabari@gmail.com    -1973   -2012   Ase Software    2013-05-15 17:07:12.003
  </code></pre>
  
  <p>In the above table the <code>id</code> column is an <code>identity</code> column and I want my id values as 1,2,3, instead of 2,10,15 how to do this?</p>