In response to http://stackoverflow.com/questions/6009603/parsing-json-using-system-web-script-seriarilization-or-using-json-net/6010001#6010001

gistfile1.cs

/*
    Rewrite the sdata class as follows.
*/

public class sdata
{

    public string id { get; set; }
    public sfrom from { get; set; }
    public string message { get; set; }
    public string updated_time { get; set; }
    public likedatacollection likes { get; set; }
}

/*
    add the likedatacollection class
*/

public class likedatacollection
{
    public List<likesdata> data { get; set; }
}


/* 
    The other classes remain as they are
*/

public class Allstatus
{
    public List<sdata> data { get; set; }
    //public scpaging paging { get; set; }
}

public class likesdata
{
    public string id { get; set; }
    public string name { get; set; }
}

public class sfrom
{
    public string name { get; set; }
    public string category { get; set; }
    public string id { get; set; }
}

/*
    the Allstatus object now looks like this
*/

var allstatus = new Allstatus
{
    data = new List<sdata>()
   {
        new sdata()
        {
            from = new sfrom() {category = "message", id = "192", name = "Anthony"},
            id = "1000",
            message = "this is the message",
            updated_time = "2001-05-06T19:34:15+0000",
            likes = new likedatacollection()
            {
                data = new List<likesdata>()
                {
                    new likesdata()
                    {
                        id = "100001692250255",
                        name = "\u00dcnal Turanl\u0131"
                    },
                    new likesdata()
                    {
                        id = "100001060078996",
                        name = "S\u00e9f\u00e2 K\u00e2ql\u00e4Nn"
                    }
                }
            }
        },
        new sdata()
        {
            from = new sfrom() 
            {
                category = "message",
                id = "10001",
                name = "another name"
            },
            id = "10150186255753553",
            message = "this is the message",
            updated_time = "2001-04-06T19:34:15+0000",
            likes = new likedatacollection()
            {
                data = new List<likesdata>()
                {
                    new likesdata()
                        {
                            id = "1002345",
                            name = "\u00dcnal Turanl\u0131"
                        },
                    new likesdata()
                        {
                            id = "100234",
                            name = "S\u00e9f\u00e2 K\u00e2ql\u00e4Nn"
                        }
                }
           }
        }        
    }
};

/*
    Serialize using JavascriptSerializer
*/

var javaScriptSerializer = new JavaScriptSerializer();
var serialized = javaScriptSerializer.Serialize(allstatus);

/*
    And the above object after being serialized will look like this.
*/

/*
{
"data": [
    { 
        "id": "1000", 
        "from": { 
            "name": "Anthony Waema", 
            "category": "message", 
            "id": "192" 
        }, 
        "message": "this is the message", 
        "updated_time": "2001-05-06T19:34:15+0000", 
        "likes": {
            "data": [ 
                { 
                    "id": "100001692250255",
                    "name": "Ünal Turanli" 
                }, 
                {
                    "id": "100001060078996", 
                    "name": "Séfâ KâqläNn" 
                } 
            ] 
        }  
    },
    { 
        "id": "10150186255753553", 
        "from": { 
            "name": "another name", 
            "category": "message", 
            "id":  "100001" 
        }, 
        "message": "this is the message", 
        "updated_time": "2001-04-06T19:34:15+0000", 
        "likes": {
            "data": [
                { 
                    "id": "1002345", 
                    "name": "Ünal Turanli" 
                }, 
                { 
                    "id": "100234", 
                    "name": "Séfâ KâqläNn" 
                } 
            ] 
        } 
    } 
] 
}
*/

/*
    And it can be deserialized using 
*/

var deserializedAllStatus = javaScriptSerializer.Deserialize<Allstatus>(serialized);