self.tableView.reloadData() not working in Swift

Question

I\'m attempting to learn Swift & the basics of iOS dev at the same time, so bear with me. I\'ve got a TableViewController that is

Answer 1

If your connection is in background thread then you should update UI in main thread like this

self.tblMainTable.performSelectorOnMainThread(Selector("reloadData"), withObject: nil, waitUntilDone: true)

As I have mentioned here

Swift 4:

self.tblMainTable.performSelector(onMainThread: #selector(UICollectionView.reloadData), with: nil, waitUntilDone: true)