Can't parse the data using JavaScriptDateTimeConverter

Question

I try to parse simple JSON using Json.net

 string inputJson = @"
                {
                 ""modificationTime"" : ""\/Date(1224043200000)\/""
                 }";

And property is defined

[JsonProperty("modificationTime")]
[JsonConverter(typeof(JavaScriptDateTimeConverter))]
public DateTime ModificationTime { get; set; }

But DeserializeObject throw an exception with the following Message: "Unexpected token or value when parsing date. Token: Date, Value: 10/15/2008 04:00:00"

Well, as far as I see it actually has parsed the date, hasn't it? This exception is thrown from the line 68 in the JavaScriptDateTimeConverter.cs:

68 if (reader.TokenType != JsonToken.StartConstructor ||  string.Compare(reader.Value.ToString(), "Date", StringComparison.Ordinal) != 0)
69            throw new Exception("Unexpected token or value when parsing date. Token: {0}, Value: {1}".FormatWith(CultureInfo.InvariantCulture, reader.TokenType, reader.Value));
70    
71          reader.Read();

In this place reader.TokenType is Date and reader.Value.ToString() is 10/15/2008 04:00:00. Any ideas?

James Newton-King · Accepted Answer · 2010-11-02 20:45:54Z

8

Json.NET deserializes dates with the format:

"\/Date(1224043200000)\/"

by default. JavaScriptDateTimeConverter is for dates with the format:

new Date(1234567890)

answered Nov 2, 2010 at 20:45

James Newton-King

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Comments

Bashir Magomedov · Accepted Answer · 2010-11-02 10:37:02Z

0

I had similar problem some time ago. I found a workaround and blogged about it:

http://shico.blogspot.com/2010/07/ajaxpro-deserialize-json-datetime.html

Hope it helps.

answered Nov 2, 2010 at 10:37

Bashir Magomedov

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1 Comment

Kirill Lykov Over a year ago

No, it doesn't. He wrote that if it is "/Date(1224043200000)/" than it will not work. While I use ""\/Date(1224043200000)\/"". I suppose the problem is reader.TokenType should be JsonToken.StartConstructor. And it probably means that "\/ is parsed like this token.

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