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How to convert an IEnumerable to JSON

You can do it like this using .NET Framework itself and without using any 3rd party tools

using System.Web.Script.Serialization;

public class Json
{
    public string getJson()
    {
       // some code //
       var products = // IEnumerable object //
       string json = new JavaScriptSerializer().Serialize(products);
       // some code //
       return json;
    }
}

Serializing Usage:

IEnumerable<int> sequenceOfInts = new int[] { 1, 2, 3 };
IEnumerable<Foo> sequenceOfFoos = new Foo[] { new Foo() { Bar = "A" }, new Foo() { Bar = "B" } };

var serializer = new System.Web.Script.Serialization.JavaScriptSerializer();
string outputOfInts = serializer.Serialize(sequenceOfInts);
string outputOfFoos = serializer.Serialize(sequenceOfFoos);

Output:

[1,2,3]
[{"Bar":"A"},{"Bar":"B"}]

Deserializing Usage:

IEnumerable<int> sequenceOfInts = serializer.Deserialize<IEnumerable<int>>(outputOfInts);
IEnumerable<Foo> sequenceOfFoos = serializer.Deserialize<IEnumerable<Foo>>(outputOfFoos);

Reference links: StackOverflow.com