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  • Ram Prahalad 11 posts 101 karma points
    Jul 20, 2022 @ 20:58
    Ram Prahalad

    Equivalent of PropertyValueConverterBase in Umbraco 8.5.1

    Hello All,

    I have this class in version 7.10 and I am trying to find its equivalent in 8.5 version. What is the equivalent of PropertyValueConverterBase class and those PropertyvalueType annotation classes?

    Any help would be greatly appreciated!


    using Umbraco.Core.Models.PublishedContent;
    using Umbraco.Core.PropertyEditors;
    namespace PropertyValueConverters
        [PropertyValueCache(PropertyCacheValue.All, PropertyCacheLevel.Content)]
        public class TrueFalseValueConverter : PropertyValueConverterBase
            public override bool IsConverter(PublishedPropertyType propertyType)
                return propertyType.PropertyEditorAlias.Equals("USN.TrueFalse");
            public override object ConvertDataToSource(PublishedPropertyType propertyType, object source, bool preview)
                // in xml a boolean is: string
                // in the database a boolean is: string "1" or "0" or empty
                // typically the converter does not need to handle anything else ("true"...)
                // however there are cases where the value passed to the converter could be a non-string object, e.g. int, bool
                if (source is string)
                    var str = (string)source;
                    if (str == null || str.Length == 0 || str == "0")
                        return false;
                    if (str == "1")
                        return true;
                    bool result;
                    if (bool.TryParse(str, out result))
                        return result;
                    return false;
                if (source is int)
                    return (int)source == 1;
                if (source is bool)
                    ret`enter code here`urn (bool)source;
                // default value is: false
                return false;
            public override object ConvertSourceToXPath(PublishedPropertyType propertyType, object source, bool preview)
                // source should come from ConvertSource and be a boolean already
                return (bool)source ? "1" : "0";
  • Angel 49 posts 105 karma points
    Apr 19, 2023 @ 14:53

    hi there,

    Just wondering if you managed to figure this out?


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