Generate C# object from Json string and parse Json string to generated object

Question

I am trying to generate C# class using the JSON string from here http://json2csharp.com/ this works fine. But I can't parse the JSON to the object generated by the website.

Here is the JSON string

{
  "searchParameters":{
    "key":"**********",
    "system":"urn:oid:.8"
  },
  "message":" found one Person matching your search criteria.",
  "_links":{
    "self":{
      "href":"https://integration.rest.api.test.com/v1/person?key=123456&system=12.4.34.."
    }
  },
  "_embedded":{
    "person":[
      {
        "details":{
          "address":[
            {
              "line":["5554519 testdr"],
              "city":"testland",
              "state":"TT",
              "zip":"12345",
              "period":{
                "start":"2003-10-22T00:00:00Z",
                "end":"9999-12-31T23:59:59Z"
              }
            }
          ],
          "name":[
            {
              "use":"usual",
              "family":["BC"],
              "given":["TWO"],
              "period":{
                "start":"9999-10-22T00:00:00Z",
                "end":"9999-12-31T23:59:59Z"
              }
            }
          ],
          "gender":{
            "code":"M",
            "display":"Male"
          },
          "birthDate":"9999-02-03T00:00:00Z",
          "identifier":[
            {
              "use":"unspecified",
              "system":"urn:oid:2.19.8",
              "key":"",
              "period":{
                "start":"9999-10-22T00:00:00Z",
                "end":"9999-12-31T23:59:59Z"
              }
            }
          ],
          "telecom":[
            {
              "system":"email",
              "value":"[email protected]",
              "use":"unspecified",
              "period":{
                "start":"9999-10-22T00:00:00Z",
                "end":"9999-12-31T23:59:59Z"
              }
            }
          ],
          "photo":[
            {
              "content":{
                "contentType":"image/jpeg",
                "language":"",
                "data":"",
                "size":0,
                "hash":"",
                "title":"My Picture"
              }
            }
          ]
        },
        "enrolled":true,
        "enrollmentSummary":{
          "dateEnrolled":"9999-02-07T21:39:11.174Z",
          "enroller":"test Support"
        },
        "_links":{
          "self":{
            "href":"https://integration.rest.api.test.com/v1/person/-182d-4296-90cc"
          },
          "unenroll":{
            "href":"https://integration.rest.api.test.com/v1/person/1b018dc4-182d-4296-90cc-/unenroll"
          },
          "personLink":{
            "href":"https://integration.rest.api.test.com/v1/person/-182d-4296-90cc-953c/personLink"
          },
          "personMatch":{
            "href":"https://integration.rest.api.commonwellalliance.org/v1/person/-182d-4296-90cc-/personMatch?orgId="
          }
        }
      }
    ]
  }
}

Here is the code I use to convert to the object.

JavaScriptSerializer js = new JavaScriptSerializer();
 var xx = (PersonsearchVM)js.Deserialize(jsonstr, typeof(PersonsearchVM));

Is there any other wat to generate the object and parse?

Are the line-breaks in the actual JSON data or just for readability in this post? If the former, line-breaks are fine between values but aren't valid within a string value. They need to be escaped in those cases -- "\r\n". — Jonathan Lonowski
– Jonathan Lonowski, Commented Feb 20, 2014 at 21:25

Tyler Day · Accepted Answer · 2014-02-20 21:23:36Z

1

I think you have some invalid characters in your JSON string. Run it through a validator and add the necessary escape characters.

http://jsonlint.com/

answered Feb 20, 2014 at 21:23

Tyler Day

1,71812 silver badges12 bronze badges

Sign up to request clarification or add additional context in comments.

2 Comments

DLeh Over a year ago

I copied into notepad and removed all endlines, then copied into the validator and it's valid.

harsimranb Over a year ago

The JSON is valid. I think when OP posted in the JSON, the Html Editor added all the endlines.

ChristopherBrown · Accepted Answer · 2014-02-20 21:25:47Z

0

You aren't casting it to the right object. Cast it to the type RootObject.

Eg

JavaScriptSerializer js = new JavaScriptSerializer();
var xx = (RootObject)js.Deserialize(jsonstr, typeof(RootObject));

The code that json 2 csharp creates is this:

public class SearchParameters
{
    public string key { get; set; }
    public string system { get; set; }
}

    public class Self
{
    public string href { get; set; }
}

public class LinKs
{
    public Self self { get; set; }
}

public class Period
{
    public string start { get; set; }
    public string end { get; set; }
}

public class Address
{
    public List<string> line { get; set; }
    public string city { get; set; }
    public string __invalid_name__state { get; set; }
    public string zip { get; set; }
    public Period period { get; set; }
}

public class PerioD2
{
    public string start { get; set; }
    public string end { get; set; }
}

public class Name
{
    public string use { get; set; }
    public List<string> family { get; set; }
    public List<string> given { get; set; }
    public PerioD2 __invalid_name__perio
d { get; set; }
}

public class Gender
{
    public string __invalid_name__co
de { get; set; }
    public string display { get; set; }
}

public class Period3
{
    public string start { get; set; }
    public string __invalid_name__end { get; set; }
}

public class Identifier
{
    public string use
 { get; set; }
    public string system { get; set; }
    public string key { get; set; }
    public Period3 period { get; set; }
}

public class Period4
{
    public string start { get; set; }
    public string end { get; set; }
}

public class Telecom
{
    public string system { get; set; }
    public string value { get; set; }
    public string use { get; set; }
    public Period4 period { get; set; }
}

public class Content
{
    public string contentType { get; set; }
    public string language { get; set; }
    public string __invalid_name__dat
a { get; set; }
    public int size { get; set; }
    public string hash { get; set; }
    public string title { get; set; }
}

public class Photo
{
    public Content content { get; set; }
}

public class Details
{
    public List<Address> address { get; set; }
    public List<Name> name { get; set; }
    public Gender gender { get; set; }
    public string birthDate { get; set; }
    public List<Identifier> identifier { get; set; }
    public List<Telecom> telecom { get; set; }
    public List<Photo> photo { get; set; }
}

public class EnrollmentSummary
{
    public string dateEnrolled { get; set; }
    public string __invalid_name__en
roller { get; set; }
}

public class Self2
{
    public string href { get; set; }
}

public class UnEnroll
{
    public string href { get; set; }
}

public class PersonLink
{
    public string href { get; set; }
}

public class PersonMatch
{
    public string href { get; set; }
}

public class Links2
{
    public Self2 self { get; set; }
    public UnEnroll __invalid_name__un
enroll { get; set; }
    public PersonLink personLink { get; set; }
    public PersonMatch personMatch { get; set; }
}

public class Person
{
    public Details details { get; set; }
    public bool __invalid_name__e
nrolled { get; set; }
    public EnrollmentSummary enrollmentSummary { get; set; }
    public Links2 _links { get; set; }
}

public class Embedded
{
    public List<Person> person { get; set; }
}

public class RootObject
{
    public SearchParameters searchParameters { get; set; }
    public string message { get; set; }
    public LinKs __invalid_name___lin
ks { get; set; }
    public Embedded _embedded { get; set; }
}

answered Feb 20, 2014 at 21:25

ChristopherBrown

1521 silver badge5 bronze badges

4 Comments

L.B Over a year ago

Just a copy/paste from json2csharp. But there are many redundant classes like Telecom(same as *Identifier*), SelfN, LinkN, PeriodN and property names like __invalid_name___.... Very bad answer.

Craig W. Over a year ago

Not a bad answer. The question was why the parse wasn't working. The parse wasn't working because he was casting to the wrong class. It's the right answer.

Craig W. Over a year ago

Perhaps, but it's what the OP was working with. The question wasn't about the quality of the target class definition, it was how to get the deserialization working correctly.

Gokul Over a year ago

@L.B I did remove the redundant properties. The answer is what I expected

Paul S Chapman · Accepted Answer · 2014-02-20 21:27:58Z

The following function will convert JSON into a C# class where T is the class type.

public static T Deserialise<T>(string json)
{
    T obj = Activator.CreateInstance<T>();
    using (MemoryStream ms = new MemoryStream(Encoding.Unicode.GetBytes(json)))
    {
        DataContractJsonSerializer serializer = new DataContractJsonSerializer(obj.GetType());
                obj = (T)serializer.ReadObject(ms); // 
                return obj;
    }
}

You need a reference to the System.Runtime.Serialization.json namespace.

The function is called in the following manner;

calendarList = Deserialise<GoogleCalendarList>(calendarListString);

calendarlist being the C# class and calendarListString the string containing the JSON.

Collectives™ on Stack Overflow

Generate C# object from Json string and parse Json string to generated object

3 Answers 3

2 Comments

4 Comments

Comments

Your Answer

Hot Network Questions

Collectives™ on Stack Overflow

3 Answers 3

2 Comments

4 Comments

Comments

Your Answer

Sign up or log in

Post as a guest

Related