how to enable button when all textfields filled in tableviewcell(SWIFT)

Solution:

The below function is used to check the that all textfields are filled in a tableViewCell.You can pass the cell to the function it will return the boolean when one textfield is empty .Otherwise it will return true.

func enableBtn(cell:UITableViewCell)->Bool{

        var isEnable:Bool = true

        for textF in cell.subviews {

            if textF.isKind(of: UITextField) {

                let textFild = textF as! UITextField

                if textFild.text == "" {

                    isEnable = false

                    return isEnable

                }

            }

        }

        return isEnable

    }