btnAdd_Click fires when i press F5
<p>Hi I've a simple code to insert data into db in button click event. It is executing fine and insert data into db. After inserting data if i press f5 button it is again inserting a new row into db with the same values.</p>

<p>Button click event fires on each f5 button (refresh)</p>

<p>Wat is the problem?</p>

<p>Thank you,
Nagu</p>
