title: How to edit/update in dynamic table
body: <p>I have dynamic <code>DataTable</code> says to be <code>DataTable dt=New DataTable();</code> and column name says to be <strong>ID</strong>, <strong>F_name</strong>, <strong>L_name</strong>.
  I had fill a value to this column seems to be</p>
  
  <pre><code>ID     |    F_name   |    L_name
   1     |     mit     |    jain
   2     |     raj     |    patel
   3     |     anki    |    patel
   4     |     alpa    |    dumadiya
  </code></pre>
  
  <p>If I want to edit/update column <code>2</code> says to be <code>ID=2</code>, <code>F_name</code> that is <code>raj</code> to <code>rajan</code></p>
  
  <p>what shall I have to do?</p>