format exception was unhandled input string was not in a correct formats
<p><img src="http://i.stack.imgur.com/PEUPK.png" alt="Exception"></p>

<p>I am getting an exception in that line. My coding is correct yet still I am getting an error. Can anyone help me to rewrite the code for that particular line. I am using that line for viewing of a value from the database to textbox. getprogress is method name from webservice.</p>
