Json.NET reading and writing JSON files

2. Using System;
4. Using System.Collections.Generic;
6. Using System.Linq;
8. Using System.Web;
10. Using System.Web.UI;
12. Using System.Web.UI.WebControls;
14. Using System.IO;
16. Using System.Text;
18. Using Newtonsoft.json;
20. Using Com.zjpx.model;
22. Using System.Collections;
24. Using Newtonsoft.Json.Converters;
28. Namespace Web
30. {
32. Public partial class TestJson:System.Web.UI.Page
34. {
36. protected void Page_Load (object sender, EventArgs e)
38. {
40. Configfilemodel cfm = new Configfilemodel (); //Entity model class
42. cfm.  CreateDate = "2012-02-23";
44. cfm.  FileName = "Test.txt";
48. //Can manipulate the collection
50. Hashtable ht = new Hashtable ();
52. Ht.  ADD ("Hs_name", "Alex");
54. Ht.  ADD ("Hs_pwd", "GGG");
58. //Serialization
60. string js1 = Jsonconvert.serializeobject (CFM);
62. string js2 = Jsonconvert.serializeobject (HT);
64. Response.Write (JS1);
66. Response.Write ("<br/>");
68. Response.Write (JS2);
70. //"{\" filename\ ": \" test.txt\ ", \" createdate\ ": \" 2012-02-23\ "}"
72. //"{\" hs_pwd\ ": \" ggg\ ", \" hs_name\ ": \" alex\ "}"
76. //Deserialization
78. Configfilemodel DEBC1 = jsonconvert.deserializeobject<configfilemodel> (JS1);
80. Configfilemodel DEBC2 = jsonconvert.deserializeobject<configfilemodel> (JS2);
84. //Find the server physical path
86. //string Serverapppath = Request.PhysicalApplicationPath.ToString ();
88. string serverapppath = @"D:\";
90. //Make configuration file path
92. string Con_file_path [email protected] "" + Serverapppath + @"Config.json";
98. if (! File.exists (Con_file_path))
100. {
102. File.create (Con_file_path);
104. }
108. //write the model data to a file
110. using (StreamWriter SW = new StreamWriter (Con_file_path))
112. {
114. Try
116. {
120. Jsonserializer serializer = new Jsonserializer ();
122. Serializer.  Converters.add (new Javascriptdatetimeconverter ());
124. Serializer. nullvaluehandling = Nullvaluehandling.ignore;
128. //Build Json.NET Write stream
130. Jsonwriter writer = new JsonTextWriter (SW);
132. //Serialize the model data and write to the json.net Jsonwriter stream
134. Serializer. Serialize (writer, cfm);
136. //ser.  Serialize (writer, ht);
138. Writer. Close ();
140. Sw. Close ();
144. }
148. }
150. catch (Exception ex)
152. {
154. Ex. Message.tostring ();
156. }
160. //Read JSON file
162. using (StreamReader sr = New StreamReader (Con_file_path))
164. {
166. Try
168. {
170. Jsonserializer serializer = new Jsonserializer ();
172. Serializer.  Converters.add (new Javascriptdatetimeconverter ());
174. Serializer. nullvaluehandling = Nullvaluehandling.ignore;
178. //Build json.net Read stream
180. Jsonreader reader = new JsonTextReader (SR);
182. //Json.NET the reader stream of the read-out to be loaded into the model
184. CFM = Serializer. Deserialize<configfilemodel> (reader);
188. Response.Write ("<br/>");
190. Response.Write (CFM. filename+"," +cfm.  CreateDate);
192. }
194. catch (Exception ex)
196. {
198. Ex. Message.tostring ();
200. }
202. }
206. }
208. }
212. public class Configfilemodel
214. {
216. Public Configfilemodel () {}
220. string _filename;
224. public string FileName
226. {
228. get { return _filename;}
230. set {_filename = value;}
232. }
234. string _createdate;
238. public string CreateDate
240. {
242. get { return _createdate;}
244. set {_createdate = value;}
246. }
248. }
250. }

Json.NET reading and writing JSON files