[Solved] Display Alert if tableView has no Results

Question

You cannot check the row count in viewDidAppear because an asynchronous NSURLConnection is used to fetch the JSON data that populates the table view.

The correct way is to call reloadData in connectionDidFinishLoading, after you have updated your data source with the response from the URL request. At that point you know if the number of rows is zero or not, and there is no need to wait for the table view update to complete.

Accepted Answer

You cannot check the row count in viewDidAppear because an asynchronous NSURLConnection is used to fetch the JSON data that populates the table view.

The correct way is to call reloadData in connectionDidFinishLoading, after you have updated your data source with the response from the URL request. At that point you know if the number of rows is zero or not, and there is no need to wait for the table view update to complete.