Is this any different from what you already have? What does the json you are trying to deserialize look like?

    IContentType currentContentType = ApplicationContext.Current.Services.ContentTypeService.GetContentType(CurrentPage.DocumentTypeAlias);
PropertyType currentPropertyType = currentContentType.PropertyTypes.Where(pt => pt.Alias == "YOURPROPERTYALIAS").FirstOrDefault();
var preValues = ApplicationContext.Current.Services.DataTypeService.GetPreValuesByDataTypeId(currentPropertyType.DataTypeDefinitionId);

Thanks for your interest in my problem, Ian.

I'm fetching the prevalues just like you do - by using the DataTypeServices GetPreValuesByDataTypeId method.

The content of the preValues variable is, according to Visual Studio's Text Visualizer:

{
  "type": "radio",
  "items": [
    {
      "checked": false,
      "text": "Women",
      "value": "1"
    },
    {
      "checked": false,
      "text": "Men",
      "value": "2"
    },
    {
      "checked": false,
      "text": "Young",
      "value": "3"
    },
    {
      "checked": false,
      "text": "Unisex",
      "value": "4"
    }
  ]
}

It's when trying to deserialize this json into a C# list, from where I can take it further, I fail. Can you help?

/Jan

Hi Jason,

I address myself directly to you since you, as the project owner, should be able to help me on this matter, if any.

I need to bring up the text and value properties from a number of DTP List Picker datatypes. But I don't seem to be able to deserialize the json correctly in my Mvc Controller (see postings above).

I would be most thankful if you take the time to show me the working code.

/Jan

Tested this and it works, no null checks but something to build on

Class 1

public class DTPPreValue
{
    [JsonProperty(PropertyName = "type")]
    public string Type { get; set; }
    [JsonProperty(PropertyName = "items")]
    public List<DTPItem> Items {get; set;}
}

Class 2

public class DTPItem
{
    [JsonProperty(PropertyName = "checked")]
    public bool Checked { get; set; }
    [JsonProperty(PropertyName = "text")]
    public string Text { get; set; }
    [JsonProperty(PropertyName = "value")]
    public string Value { get; set; }
 }

View

IContentType currentContentType = ApplicationContext.Current.Services.ContentTypeService.GetContentType(CurrentPage.DocumentTypeAlias);
PropertyType currentPropertyType = currentContentType.PropertyTypes.Where(pt => pt.Alias == "YOURPROPERTYALIAS").FirstOrDefault();
var preValuesString = ApplicationContext.Current.Services.DataTypeService.GetPreValuesByDataTypeId(currentPropertyType.DataTypeDefinitionId).FirstOrDefault();
DTPPreValue preValue = JsonConvert.DeserializeObject<DTPPreValue>(preValuesString);

Type property could also be made into an enum on your model.

If this doesn't work for you I suggest there must be some other issue with your project, if so maybe try re-installing the package.

It works fine. Many thanks for the help. /Jan

is working on a reply...