title: PhoneGap :Retrieve the next data from table By increment sessionStorage
body: <p>I have a ID (1) of a record in the database and each time when I click the "NEXT" button, I wish to increment the ID into 2 and retrieve the next data. I store the ID into the sessionStorage.ID and later when I retrieve it and </p>
  
  <pre><code>sessionStorage.ID =sessionStorage.ID +1
  </code></pre>
  
  <p>The sessionStorage should be equal to 2 but it display as "11". How can I resolve this?</p>