title: Save and Retrieve an Image using Qt
body: <p>In fact I found some useful article related to my issue, but not exactly, I will try detail my problem</p>
  
  <p>I have a table with tow columns id as integer and pix as blob</p>
  
  <p>I have a form with label and two buttons open and save</p>
  
  <p>I try to open a picture into label, then I have to save into database table when I click save</p>
  
  <p>Also, I'm looking to retrieve the image again to label if I added navigation buttons as next and previous.</p>
  
  <p>Any help please ?</p>