func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {

    dataObj = frc.object(at: indexPath) as! Data_Object
    var pvc: UIViewController?

    if dataObj.type == "X" {

        let obj = MainStoryboard().instantiateViewController(withIdentifier: "XVC") as! XVC
        obj.data = dataObj
        obj.isFull = true
        obj.delegate = self
        pvc = obj as UIViewController

    } else if dataObj.type == "Y" {

        let obj = MainStoryboard().instantiateViewController(withIdentifier: "YVC") as! YVC
        obj.data = dataObj
        obj.isFull = true
        obj.delegate = self
        pvc = obj as UIViewController

    } else {

        let obj = MainStoryboard().instantiateViewController(withIdentifier: "ZVC") as! ZVC
        obj.data = dataObj
        obj.isFull = true
        obj.delegate = self
        pvc = obj as UIViewController
    }

    obj.modalPresentationStyle = .popover
    let popPVC = pvc?.popoverPresentationController
    popPVC?.sourceView = self.view
    self.present(pvc!, animated: true, completion: nil)
}