Extension class for turning JSON strings into objects

gistfile1.cs

using System.Web.Script.Serialization;
// ^^^ for this namespace ^^^ add a reference to System.Web.Extensions

public static class StringExtentensions
{
	public static string ToJson(this object objectToSerialize)
	{
		return new JavaScriptSerializer().Serialize(objectToSerialize);
	}

	public static T DeserializeJSON<T>(this string json) where T: class
	{
		return new JavaScriptSerializer().Deserialize<T>(json);
	}
}

//usage example

var json = @"{""SearchResults"":[],""TotalNumberOfResults"":0,""RequestedNumberOfResults"":10,""StartResultIndex"":0,""SearchQuery"":""test"",""Exception"":null,""LastIndexUpdateTimestamp"":""2009-07-28T09:21:01""}";

return json.DeserializeJSON<SearchResultInformation>();


// search result objects used by the usage example. I know over the top but it doesn't hurt.

public class SearchResultInformation
{
	public SearchResult[] SearchResults { get; set; }
	public int TotalNumberOfResults { get; set; }
	public int RequestedNumberOfResults { get; set; }
	public int StartResultIndex { get; set; }
	public string SearchQuery { get; set; }
	public string Exception { get; set; }
	public string LastIndexUpdateTimestamp { get; set; }

	public SearchResultInformation() { }

	public SearchResultInformation(string searchQuery, SearchResult[] searchResults, int totalResults, int startResultsIndex, int requestedNumberOfResults, string lastIndexUpdateTimestamp)
	{
		SearchQuery = searchQuery;
		SearchResults = searchResults;
		TotalNumberOfResults = totalResults;
		StartResultIndex = startResultsIndex;
		RequestedNumberOfResults = requestedNumberOfResults;
		LastIndexUpdateTimestamp = lastIndexUpdateTimestamp;
	}
    
	public override string ToString()
	{
		return String.Format("Query for '{0}' returned {1} results out of {2} total starting with result {3}.", SearchQuery, SearchResults.Length, TotalNumberOfResults, StartResultIndex);
	}
}

public class SearchResult
{
	public float Score { get; set; }
	public string Domain { get; set; }
	public string Id { get; set; }
	public string Title { get; set; }
	public string Summary { get; set; }
	public IDictionary<string,string> CustomFields { get; set; }
	public SearchResult() { }
	public SearchResult(float score, string identifier, string domain, string title, string contentSummary, IDictionary<string, string> customFields)
	{
		Score = score;
		Id = identifier;
		Domain = domain;
		Title = title;
		Summary = contentSummary;
		CustomFields = customFields;
	}

	public override string ToString()
	{
		return String.Format("Result for {0} {1} scored {2} titled '{3}'.", Domain, Id, Score, Title);
	}
}