title: how to load uitableview after load data from json global function on objective c
body: <p>In my iOS Project I want to generate a table with data from a json secured url , i did the request url from global function in my project like this "+(Shared *)" , the problem is that the table is created empty data before the data is loaded in first cells appear on screen !</p>
  
  <p>How can I generate the table after the data is loaded?
   -for notice:the first cells appear on screen the data be empty 
  after scrolling down to disappear cells the data loaded correctly on other disappear cells, also if i go to another view controller in my project and return back to my table view the data loaded correctly , how can i  solve this problem .enter image description here</p>