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Find and install a packageIn Solution Explorer, right-click either References or a project and select Manage NuGet Packages.... The Browse tab displays packages by popularity from the currently selected source (see package sources). Search for a specific package using the search box on the upper left.
In Visual Studio, use the Help > About Microsoft Visual Studio command and look at the version displayed next to NuGet Package Manager. Alternatively, launch the Package Manager Console (Tools > NuGet Package Manager > Package Manager Console) and enter $host to see information about NuGet including the version.
You need the Microsoft.AspNet.WebApi.Core package.
You can see it in the .csproj file:
<Reference Include="System.Web.Http, Version=5.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
<SpecificVersion>False</SpecificVersion>
<HintPath>..\packages\Microsoft.AspNet.WebApi.Core.5.0.0\lib\net45\System.Web.Http.dll</HintPath>
</Reference>
I have several projects in a solution. For some of the projects, I previously added the references manually. When I used NuGet to update the WebAPI package, those references were not updated automatically.
I found out that I can either manually update those reference so they point to the v5 DLL inside the Packages folder of my solution or do the following.
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