How to convert C# object into JSON string with JSON.NET

Before some time I have written a blog post – Converting a C# object into JSON string in that post one of reader Thomas Levesque commented that mostly people are using JSON.NET a popular high performance JSON for creating for .NET Created by James Newton- King. I agree with him if we are using .NET Framework 4.0 or higher version for earlier version still JavaScriptSerializer is good. So in this post we are going to learn How we can convert C# object into JSON string with JSON.NET framework.

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Dapper Micro ORM Series

Recently before some time I have created a blog post about list of blog post I have written about Petapoco Micro ORM. So one of the friend suggested I should write same kind of series post about Dapper Micro ORM so that reader of my blog can find the all the posts on same page. So that’s why I writing this blog post.

What is dapper:

Dapper is Micro ORM developed by Sam Saffron few years ago while he was working as lead developer at stack exchange. This ORM was developed specially for Stack Exchange QA sites like stackoverflow.com and superuser.com for the performance improvement. It has got a single file where all the code has been written. You can download dapper Micro ORM from the following location.

http://code.google.com/p/dapper-dot-net/

Dapper Micro ORM related posts on dotnetjalps.com:

Following is a list of post related to dapper Micro ORM that I have written on this blog.

Playing with dapper Micro ORM and ASP.NET MVC 3.0
Insert with Dapper Micro ORM and ASP.NET MVC 3
Edit/Update with dapper ORM and ASP.NET MVC 3
Delete with Dapper ORM and ASP.NET MVC 3

If I write blog post about dapper then I will keep adding into this list. That’s it.

Hope you like it. Stay tuned for more!!

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Converting a C# Object into JSON string

Some people might think why I am writing so much about basics but the things but in reality  I got lot of questions through email and other communities about very basic things. So I thought instead of replying them into single thread. It is a good idea to write blog post about it and as a result I am writing this blog post.

In this post we are going to learn how we can convert a object into JSON string It is very simple. Let’s first see how we can convert C# Object into JSON string.

Converting a C# object into JSON string:

So to demo this, I have created a employee class like following.

public class Employee
{
    public string FirstName { get; set; }
    public string LastName { get; set; }
}

Now let’s create object of this class and assign some value like following.

Employee employee=new Employee
                    {FirstName = "Jalpesh",
                    LastName = "Vadgama"};

For this demo we are using console application so we have to add System.Web and System.Web.Extensions  reference to access the JavaScript Searilizer class through which we are going to convert this object into JSON string. We are going to add reference like following.



Now with JavaScript Searilizer class which belongs to System.Web.Script.Serialization namespace we can easily convert C# object into JSON string. Following is a code for that.

var javaScriptSerializer = new 
    System.Web.Script.Serialization.JavaScriptSerializer();
string jsonString = javaScriptSerializer.Serialize(employee);
Console.WriteLine(jsonString);

Now when run this console application. Following is a output as expected.



Here its serialize object into JSON string. Same you can desterilize the JSON string into C# object with Deserialize function.

That’s it. It’s very easy. Hope you like it. Stay tuned for more..

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