title: Showing an Null Reference Exception that values are garbage collected while loading the data
body: <p>My application is throwing an exception while loading the data and it's showing a message that "requested operation is cancelled due to object is garbage collected".
  sometimes My application is working fine but unexpectedly in the middle it,s throwing this exception.</p>
  
  <p>Can any one guide me to solve this issue.</p>
  
  <p>Thanks </p>
  
  <p><a href="https://i.stack.imgur.com/PIq9i.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/PIq9i.png" alt="enter image description here"></a></p>