title: How to assign and retrieve value from the GridView Cell using JavaScript?
body: <p>I have Two Labels such as FixedTotal and TotalPercent, One GridView which has One Row such as</p>
  
  <pre><code>    ReferenceID       Percentage          Amount
     --------------    -------------       --------
          1                5                 1000
  </code></pre>
  
  <p>Here I want to change the "Percentage" Column value 5 with the TotalPercent label's text.
  and I want to display the "Amount" Column value 1000 in the FixedTotal label.
  I also want to check whether the Grid has row or not? How to do this?
  The Columns are BoundField Columns..</p>