title: how to set attributes by jquery and access them by c#
body: <p>I wanna change or add custom attributes in client side by jquery and check them in server side by c#</p>
  
  <p>(for example add a custom attributed named "Loaded=1" to an image HTML element when the image is loaded successfully and in server side I access to this attribute through Image control Attributes Collection)</p>
  
  <p>Is it possible ??</p>
  
  <p>Thanks for your feedbacks</p>