when i upload an image then this error seen Input string was not in a correct format
aspx code:-
<html xmlns="http://www.w3.org/1999/xhtml">
<head id="Head1" runat="server">
<title>crop images asp.net</title>
<link href="jquery.Jcrop.css" rel="stylesheet" type="text/css" /><script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.3/jquery.min.js"></script>
<script src="js/jquery.Jcrop.min.js" type="text/javascript"></script>
<script type="text/javascript">
jQuery(function($){
// To hold the API and image size.
var jcrop_api, boundx, boundy;
$('#img_crop').Jcrop({ // img_crop is the ID of image control
onChange: updatePreview, // will display the selected img on change.
onSelect: updatePreview, ...
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