Adf.Web.UI.SmartView.SmartFieldExtensions.IsEnabled C# (CSharp) Method

        public static bool IsEnabled(this SmartField smartfield, object entity, string isEmpty)
        {
            if (smartfield == null) throw new ArgumentNullException("smartfield");

            if (smartfield.HideOnEmpty && isEmpty.IsNullOrEmpty()) return false;
            if (smartfield.IsEnabledField.IsNullOrEmpty()) return true;

            var signed = smartfield.IsEnabledField.StartsWith("!");
            var visibleField = signed ? smartfield.IsEnabledField.Substring(1) : smartfield.IsEnabledField;

            return signed ^ Convert.ToBoolean(PropertyHelper.GetValue(entity, visibleField));
        }