How to remove data from a table view?

I've set up my navigation bar with an add button that adds data to my table view. I've also added this line self.navigationItem.leftBarButtonItem = self.editButtonItem; to create the edit button. Looking through the method I notice the - (void)tableView:(UITableView *)tableView commitEditingStyle:(UITableViewCellEditingStyle)editingStyle forRowAtIndexPath:(NSIndexPath *)indexPath method. So I made the modifications below, but my app freezes. What is the proper way to delete data from my table?

// Override to support editing the table view.
- (void)tableView:(UITableView *)tableView commitEditingStyle:(UITableViewCellEditingStyle)editingStyle forRowAtIndexPath:(NSIndexPath *)indexPath {

    if (editingStyle == UITableViewCellEditingStyleDelete) {
        // Delete the row from the data source.
        [tableView deleteRowsAtIndexPaths:[NSArray arrayWithObject:indexPath] withRowAnimation:UITableViewRowAnimationFade];


        **[myArray removeObjectAtIndex:[indexPath row]];
        [self.tableView reloadData];**


    }   
    else if (editingStyle == UITableViewCellEditingStyleInse开发者_开发技巧rt) {
        // Create a new instance of the appropriate class, insert it into the array, and add a new row to the table view.
    }   
}

Try to remove data from array first, and then notify table to remove corresponding rows. -reloadData call is unnecessary in this situation:

if (editingStyle == UITableViewCellEditingStyleDelete) {
        // Delete the row from the data source.
        [myArray removeObjectAtIndex:[indexPath row]];
        [tableView deleteRowsAtIndexPaths:[NSArray arrayWithObject:indexPath] withRowAnimation:UITableViewRowAnimationFade];  
}