'JavaScriptSerializer' could not be found .net core

Question

when trying to initialize a variable

JavaScriptSerializer javascriptSerializer = new JavaScriptSerializer();

I am getting the following error : 'JavaScriptSerializer' could not be found .net core. i also tried to include the namespace 'System.Web.Script.Serialization' but even that is not found.

How to solve it?

Is there any particular reason you need to use JavaScriptSerializer? — Aleksandr Ivanov
– Aleksandr Ivanov, Commented May 28, 2018 at 20:59
converting one of my .net project to .net core. there i faced this issue. so i don't want to use 'JsonConvert' — Adithya Sai
– Adithya Sai, Commented May 31, 2018 at 9:04
You should not introduce an System.Web dependency on a .NET Core project. If a new project you should use .NET Core 2.0 + and Newtonsoft.Json comes with it. If you are not able to use Newtonsoft.Json even installing via NuGet it and seeing the dependency I think your problem is another — CREM
– CREM, Commented May 31, 2018 at 13:51

Transcendent · Accepted Answer · 2018-05-31 13:12:31Z

1

Adding it via Nuget may solve your problem. Open the Nuget package manager and type in the following command:

Install-Package WebApiContrib.Formatting.JavaScriptSerializer

Edit:

Newtonsoft.Json is the standard nowadays. It is also known as Json.Net.

edited May 31, 2018 at 13:12

answered May 28, 2018 at 20:47

Transcendent

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2 Comments

Transcendent Over a year ago

@AdithyaSai: Use Newtonsoft.Json.

fedda Over a year ago

I cant find an JavaScriptSerializer in that package only, JavaScriptSerializerFormatter. I'm using dotnet core 6.

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