Yes, with significant caveats. But you should plan to migrate away. Compatibility Status | Component | Status | |-----------|--------| | Visual Studio 2022 | Partially compatible (manual steps required) | | .NET Framework 4.8 | Fully supported (the toolkit's last compatible runtime) | | .NET 6 / 7 / 8 | ❌ Not supported | | Design-time support | Broken (Toolbox icons missing, drag-and-drop unreliable) | | Runtime behavior | Works if manually registered |
Install-Package AjaxControlToolkit The automatic Toolbox integration is broken. Add this manually: ajax control toolkit visual studio 2022
The Ajax Control Toolkit was last officially updated in (version 20.1.0). It was built for older WebForms and the now-deprecated System.Web.Extensions . While the runtime can function in .NET Framework 4.8 projects opened in VS2022, the design-time experience is severely degraded. How to Make It Work in VS2022 (If You Must) If you are maintaining a legacy WebForms application and cannot rewrite it yet, follow these steps: 1. Use .NET Framework 4.8 Create or open a project targeting .NET Framework 4.8 . Do not attempt .NET 5+. 2. Install the NuGet Package Skip the old Codeplex installer. Use NuGet: Yes, with significant caveats
However, with the release of (64-bit) and the continued shift toward .NET Core/.NET 5+, many developers wonder: Does the Ajax Control Toolkit still work? Add this manually: The Ajax Control Toolkit was