Entity Framework 6 - Knowledge Base (KB)
15 results in tag: json.net
Serialize Entity Framework Object using Json.Net
How do I serialize entity framework object into JavaScript Object (JSON)? I tried using ...JSON.NET... but I am getting the following exception when I try to serialize it. ...Exception: Newtonsoft.Json.JsonSerializationException, Message="Self referencing...
asked by Hitesh
Json.Net unexpected characters ("\") when serializing my entities
I am using the excellent Json.Net library to serialize my entities generated by entity framework. I use the following code to do so :...using (MyVoucherEntities context = new MyVoucherEntities()) { List<MyObject> list = context.MyObjects.ToList(); str...
asked by Renaud
Serialize one to many relationships in Json.net
I am using the Entity Framework code first for data access and I have a Company class which has a collection of Employees. The Employee class also has a Company property....I would like to be able to serialize a Company and include the list of employees i...
asked by Emad
json.net; serialize entity framework object (circular reference error)
I have an entity framework entity that i want to serialize as a json object. I looked around and found out that json.net (http://james.newtonking.com/projects/json-net.aspx) should be able to serialize objects with circular references "out of the box". So...
asked by Johan
Can you tell JSON.Net to serialize DateTime as Utc even if unspecified?
Dates in my database are stored as Utc. But when I retreieve them w/ the entity framework they come out as type unspecified....When JSON.Net serializes them they are not in Utc format. Is there a way to tell JSON.Net to serialize DateTimes as Utc even if ...
asked by C.J.
Self referencing loop detected - Getting back data from WebApi to the browser
I am using Entity Framework and having a problem with getting parent and child data to the browser. Here are my classes:... public class Question { public int QuestionId { get; set; } public string Title { get; set; } public virtual ICollecti...
asked by user1943020
Always have error "The ObjectContent 1 type failed to serialize the response body..."
I use Web api to retrieve data from the database. I only have 1 table "tblMessage" and want to get data from that table....I set everything up but then when I run the website. the error always say...The 'ObjectContent`1' type failed to serialize the respo...
asked by kaboom
Build JSON Hierarchy from Structured Data
C# | .NET 4.5 | Entity Framework 5...I have data coming back from a SQL Query in the form of ID,ParentID,Name. I'd like to take that data and parse it into a Hierarchical JSON string. So far it seems to be much more of a daunting task than it should be. S...
asked by Will
MVC Handling Timezones and JSON Serialization - How to Convert to Specific Timezone
I've spent quite a bit of time on stackoverflow and the internet trying to determine what has been done in my situation. I am building a centralized line of business website that could span multiple timezones. Based on some valuable information here I ...
asked by nickgru
How Do You "Really" Serialize Circular Referencing Objects With Newtonsoft.Json?
I'm having a problem getting some data serialized correctly from my ASP.NET Web API controller using Newtonsoft.Json. ...Here's what I ...think... is going on - please correct me if I'm wrong. Under certain circumstances (specifically when there aren't ...
asked by jgoeglein
PUT action on WebApi Controller not saving data to database
I have a very simple MVC5 WebApi project with the following models:...public class Product { public Product() { } public int ProductId { get; set; } public string ProductCode { get; set; } public int BomId { get; set; } publi...
asked by paulpitchford
WEB API JSON Serializing Circular References
I'm trying to access the property fields (JSON) from the child entity that is received from Web API. By looking at the browser console, however, it is showing a reference instead of the fields. How do I get access to these fields?...ANGULAR JS VIEW... <ta...
asked by Erkan Demir
Is this a bug in JSON.NET or Entity Framework or am I doing something wrong while trying to serialize a list of Exceptions with JSON.NET?
Got this error when trying to serialize a set of errors:..."ISerializable type 'System.Data.Entity.Infrastructure.DbUpdateConcurrencyException' does not have a valid constructor. To correctly implement ISerializable a constructor that takes SerializationI...
asked by Triynko
JsonFormatter ReferenceLoopHandling
I have been struggling with this for a few days now, not finding any joy in any solutions I have found so far....The project is built using Entity Framework 6 and WebAPI 2. I have changed the my WebApiConfig settings to ... config.Formatters.Remove...
asked by Dimitris Savva
Web API JSON deserialization converting value issue
I am trying to insert JSON data into my models via EF 6. I am getting this error;... Inner Exception is {0}System.ArgumentException: Could not cast or convert from System.String to EPINMiddleWareAPI.Models.Serial. konum: Newtonsoft.Json.Utilities.Co...
asked by Cenk
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