JSON.Net - DeserializeObject Format?
Nov 24, 2011
I'm using JSON.Net to try and deserialize some survey responses from SurveyGizmo.Here's a snapshot of the data I'm reading in:
{"result_ok":true,
"total_count":"44",
"page":1,
[code].....
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May 16, 2012
I was hoping someone may be able to point me in the right direction in regards to the format of a Json.I've never really worked with Json's and Serialization before so it's all a little new.I need to return a Json from .Net in the following format.[[Date.UTC(2011,12,14,8), 8], [Date.UTC(2011,12,14,9), 1]]
I'm almost there but am struggling with the format of my string, as by default the string is quoted. This is what I have:
[Code]...
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Oct 8, 2010
I have to pass my Json data in a particular format. My app is coded in vb. The following is my code :
[Code]...
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Feb 20, 2010
I'm writing a little web service which generates SO/SF/SU/MSO user flair in the form of an image with various "themes". I find this preferable to using the HTML/JS solutions offered by SO as it's more flexible and also works better in forum signatures.
I'm retrieving the data using the apparently unofficial API (More info here). I can have the data in HTML or JSON. I assumed the JSON would be easier to parse.
Unfortunately, I'm not great at regexes. and the best I can come up with is some very hacky sub-stringing. I believe a regex should be the most elegant solution
regex that matches ID, GravatarURL, ProfileURL, DisplayName, Reputation and Badge Counts (Bronze/Silver/Gold).
FWIW This is to be used in a VB.Net project (in case that affects the syntax at all)
[Code].....
In case any of you are interested, some screenshots of the flair as a work in progress are available here: Me, Jeff Atwood, Joel Spolsky
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May 9, 2012
I am been stuck on this for 3 days now...I have been accessing the twitter api to pull a user_timeline for a list of users and the json that comes back is impossible to work with. I tried to deserialize it using javascriptserializer and get an error:invalid object passed in , ':' or '}'
Now this is frustrating since I expect the json being returned to be error free. Then I tried json.net and split the posts using string.split and tried to convert each post to Jobject or jarray. for Jarray I get
'unexpected end of content while loading jArray
[Code]...
Now I have formatted the code here and not pasted the whole file but it does look like valid json to me and I do not alter anything after receiving the stream from the twitter api. Can someone please point me in the right direction? I really need to get this stuff parsed?
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Feb 21, 2011
I'm strugling the whole day with the next JSON string
{
"0":{"link":"afbeeldingenplaatje1.jpg"},
"1":{"link":"afbeeldingenplaatje2.jpg"},
"2":{"link":"afbeeldingenplaatje3.jpg"}
}
How can i deserialize this? What's wrong with the next code (vb.net)
Public Class DataString
Private m_link As String
Public Property link() As String
Get
[CODE]...
It returns always an empty result.
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Jul 28, 2011
how to receive and send back json. Hope someone can help me on this. I understand by examples.
On my clientside, I am sending a ajax json string "name":"theName" to the server side and would like the server side to return a string saying "welcome &name ".
Client-side code
<!DOCTYPE html>
<html>
[Code]....
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Nov 12, 2010
Below is my JSON formated String
{"AliasName": "ysiCountryInfo", "DataClass": {"Description":"United States 111","Code":"usa","WriteOffTaxPointAdjustment":0,"IndexationRounding":6}}
I would like to deserialize object into below class
[code].....
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Jan 18, 2012
I have a JSON response from a web service that I need to be converted to an object then to an array. My response is similar to the one below:
{"status":{"error":"NO","code":"200","description":"none","message":"Request ok"},"geolocation":{"lat":"38.89515","lng":"-77.0310"},"stations":[{"country":"United States","regPrice":"0.00","midPrice":"0.00","prePrice":"0.00","streetAddress":"1401, I St[code]....
I am doing this is VB.NET within a console for now. Basically I am trying to create a simple way to test my API calls and output the information. What I am trying to accomplish is having to loop through the JSON array and list the stations.
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Jul 17, 2011
How can I convert a JSON string to an array OR a JSON string to XML in VB.NET? I know how to do this in C#, as I have read dozens of articles on it, however, I am unable to figure out how to achieve the same result in VB.NET.
I'm using the System.Web.Script namespace via System.Web.Extensions.dll (from Microsoft).
I'm willing to use an additional DLL file if needed.
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Mar 2, 2010
I'm sure this has been asked before but I'm not finding quite the information I'm needing so I thought I'd post this.
I've written a PHP script that returns a simple JSON object that looks like this:
{"status":"success","level":"admin"}
I'm doing a standard web request that submits the required data to the script over the internet and that's working fine.
Now, I want to use JSON.NET to pull out the individual variables so I can know what the values of "status" and "level" are. The problem is, I have no idea where to start.
I'm doing this in VB.NET (on the .NET Compact Framework).
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Feb 15, 2011
I am accessing the facebook api and using the json.net library (newtonsoft.json.net)I declare a Jobject to parse the content and look for the specific elements and get their values. Everything works fine for the first few but then I get this unexplained nullexception error " (Object reference not set to an instance of an object)Now I took a look at the declaration but cannot see how to change it. Dim jobj as JObject = JObject.Parse(responseData) message = jobj("message").tostring
The error occurs at the last line above.I check to see if message is null and then look for the next desired field as follows
[Code]...
This is one example where "message" does not appear in the first few lines but appears later. So what I do is look for position of message and description and which ever is first go and get that and if I get an error or the fields do not return anything, I try and parse by regex and even that is not working right.
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Nov 24, 2011
I have two experimental web services. One is an asmx contained within a .net web application. The other is a WCF service library being invoked from the web application.The asmx basically does everything I need, but I think WCF would be better, except that it doesn't do anything as I would expect after fiddling with the asmx service.For example, the same method behaves differently in each:
' ASMX
<WebMethod(BufferResponse:=True, EnableSession:=False)>
Function Test(aObject as Object) as Object
' object will have been successfully serializaed into a dictionary
[code]...
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Jun 13, 2011
I have to send a request to Webservice and I have a working PHP solution, that I have to translate in VB.net
Here's the code working in PHP
//fill in the details of the contacts.userId is obtained from loginResult.
$contactData = array('lastname'=>'Valiant', 'assigned_user_id'=>$userId);
//encode the object in JSON format to communicate with the server.
[code]....
Naturally I imported a reference to a Json library and Imported (Imports Newtonsoft.Json)?
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Feb 5, 2010
What libraries are available to handle JSON in .Net? I've seen this: [URL]..but would prefer a native library, if possible.
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Nov 3, 2011
I'm trying to understand how to actually use, and create JSON data.
StringBuilder sb = new StringBuilder();
StringWriter sw = new StringWriter(sb);
using (JsonWriter jsonWriter = new JsonTextWriter(sw))
[code]....
and I am sure it does... but how do I view it? How do I turn that into an object that the browser can output.It seems to me that the first stage I need to resolve is "how to create" JSON files/strings, next stage will be how to actually use them. If it helps answer the question, what I'm aiming for initially is to be able to use AJAX Autocomplete from a search page generated from my MySQL database, I was hoping I could write a simple SQL query and have that returned using something similar to the above?
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Feb 1, 2011
I'm returning a database query into a List object and using that list object to fill the X and Y axes of my chart as seen below. (_runData is a "List(of DatabaseTableName)" style Object filled with the results of my query.
Primary_Chart.Series(0).Points.DataBindXY(_runData, "DateTime", _runData, "UPPER_PRESSURE")
My Datetime field is returning as a Serial Number (i.e. 40116.76111) so I want to format the X Axis to display the field more readably. Enter my problem code.
[code].....
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Jun 5, 2011
Im looking for a class or code in VB.NET that can convert a black and white image in JPEG format to a grayscale TIFF format.
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Jun 7, 2011
I'm creating a VB app that uses the Infragistics UltraGrid to display data from 2 JD Edwards files. Before the data is displayed, first I need to convert 2 date fields that are in JD Edwards Julian date format (i.e., 111158 for 6/07/11....the 158th day of this year) to mmddyy format.
MCTS: Web Apps, MCTS: Windows Apps, MCTS: SQL Server 2005, MCP: Windows XP Professional, A+, Network+, Linux+, Security+, Master CIW Designer, SCJP
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Jan 5, 2010
I am using VS 2005 pro and VB.NET. How do you format the DataGridView.DefaultCellStyle.format property for zip codes and phone numbers. I have a zip code and phone number column(s) that I want to be formatted. I have tried a lot of different things:
Zip code: "99999-0000" or "Phone Number: "(999)000-0000" or "(000)000-0000" and the like So far nothing has worked. I can get my date columns formatted correctly, but not these. Can any one give me some examples that work?
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Jul 1, 2011
I need to take a string formatted like '010711' (DDMMYY) and put it into format '01-Jul-11'. Ive thought about doing something like string.toArray and then having some conditionals that format from there but am looking for an easier way.
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May 17, 2012
When retrieving rows from an SQL Server table I use the following code select mydate, Customer, Details from sales where mydatetime >= '" & format (somedate, "MMM d, yyyy h:mm:ss tt") & "'"This works fine unless the clients computers windows Region setting is 'English (New Zealand)'The default time format in windows Region and Language for New Zealand is [code]On computers with this region setting I get an SQL Error 'Conversion failed when converting date and/or time from character string'..If I manually select the other option for AM symbol, PM symbol in Region and Language i.e AM PM the all works fine again..What format string can I use so that above code always works, even if the Region time format is a.m. / p.m.
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Jan 31, 2011
format Gridview's unbound column in 12hr format? i tried the following code, it didnt work.
[Code]...
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Aug 3, 2009
I have a DGV that is getting data from a sql db. The dates in this db are stored as doubles ie 40025.708681
How do I format this column as Date/Time?
I tried but this doesn't seem to work.
how to do this? DGV1.Columns("HostDate").DefaultCellStyle.Format = "d"
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May 17, 2011
[Code]...
I always get {} as answer. What's wrong?
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Nov 12, 2010
Alright I have been trying to figure this out and I read the MSDN page on the JavaScriptSerializer. However, I still can't figure out how to get this to work on an asp.net page. I want to convert my dataset into a json string so I can graph it using FLOT(graphing tool) imports System.Web.Script.Serialization
dim myObject = dataset.getxml()dim jsonString = new JavaScriptSerializer().Serialize(myObject)
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Feb 19, 2010
I'm trying to figure out how to do SQL queries towards an SQL 2005 Express server and format the return value to JSON. I got the queries working using this (perhaps very newbie-like) code;
Imports System
Imports System.Data
Imports System.Data.SqlClient
Imports System.Web.UI
[code]....
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Apr 26, 2012
I am trying to call a rest service..that service returns json object...I am able to send the request but unable to serialize the json...here is the code i am trying
[Code]...
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Mar 15, 2012
I have an assigment where I must send queries to the database and the returns data. I would like to convert that data to a json and then use it with jQuery
My idea is make an array (żarrayList?) and then convert it to json.
How can i use json with asp.net vb? I'm not allowed to use a webservice yet
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Jan 13, 2011
How can I read JSON with ASP.NET 2.0? Unfortunately we are unable to upgrade the application because of backward compatibility issues.
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