title: Session variable assigned to data table and create object reference problem?
body: <p>----> I have datatable which is passing to another page in session variable. </p>
  
  <p>----> Now on another page i take the session variable into datatable.</p>
  
  <pre><code>datatable ds_table = new datatable();
  ds_table = (datatable)session["table_value"]; 
  </code></pre>
  
  <p>----> so problem, is that , when i filtering some rows from ds_table . that taking effect in the     session variable. if some rows deleted from ds_table. then it is also deleted from session variable.</p>
  
  <p>----> so, anyone tell me why is this going to happene?</p>
  
  <p>help me. its necessary.</p>