How do I add assembly references in Visual Studio Code?

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.csproj Project file

The following topic applies to .csproj project file and : .NET Core 1.x SDK, .NET Core 2.x SDK

Adds a package reference to a project file.

dotnet add package

Example

Add Newtonsoft.Json NuGet package to a project:

dotnet add package Newtonsoft.Json

.json Project file

The following topic applies to .json project file:

This guide walks you through the process of adding any assembly reference in Visual Studio Code. In this example, we are adding the assembly reference System.Data.SqlClient into .NET Core C# console application.

Note

  • At step #6, enter the assembly reference that you want.
  • Some assembly reference is applicable to .NET Framework and it will gives you error(s).
  • OleDb is not available in .NET Core, probably because it’s not cross platform.

Prerequisites

  1. Install Visual Studio Code
  2. Install .NET Core SDK (Preview 2 version)
  3. Install NuGet Package Manager from the Visual Studio Code Extension Marketplace
  4. Install C# extension from Visual Studio Code Extension Marketplace

Steps

  1. Launch Visual Studio Code
  2. Open your project folder
  3. Launch VS Code Command Palette by pressing F1 or Ctrl+Shift+P or Menu Bar > View > Command Palette

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  1. In Command Palette box, type nu

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  1. Click on NuGet Package Manager: Add Package

  2. Enter package filter e.g. system.data (Enter your assembly reference here)

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  1. Press Enter
  2. Click on System.Data.SqlClient

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  1. The following prompt pops up

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  1. Click on Restore

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  1. The following Output panel pops up

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  1. In the Explorer panel, click on project.json to open it

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  1. In the Editor panel, it shows the assembly reference added into project.json file

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  1. Assembly reference, System.Data.SqlClient used in Program.cs

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