How do I concatenate two Json Objects using Json.Net (newtonsoft) [duplicate]

Question

I have JSON objects that I want to concatenate into one JSON object.

How do I do that using NewtonSoft's JSON package?

Seems the same as stackoverflow.com/questions/14121010/merge-two-json-net-jtokens — Peter Ritchie
– Peter Ritchie, Commented Oct 6, 2014 at 18:05
@PeterRitchie Related, but not a duplicate. The other question is specifically about merging arrays by concatenating them. I updated the title on that question to make this clear (before this was only mentioned in the question text). — theDmi
– theDmi, Commented Aug 12, 2016 at 13:33

theDmi · Accepted Answer · 2015-08-08 06:34:49Z

6

Use JContainer.Merge().

The logic for combining JSON objects together is fairly simple: name/values are copied across, skipping nulls if the existing property already has a value.

Json.NET 6.0 Release 4

Example:

var jObject1 = // Your first json object as JObject
var jObject2 = // Your second json object as JObject 

jObject1.Merge(jObject2);

// jObject1 contains now the merged properties from jObject2.

Note that for properties that exist in both objects, the jObject2 ones take precedence (i.e. overwrite the properties in jObject1).

answered Aug 8, 2015 at 6:34

theDmi

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1 Comment

abhaybhatia Over a year ago

What if you want to copy the nulls across too

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