Because Visual Studio 2022 does not always auto-populate older AJAX controls, you often need to manually add them to your Toolbox:
Use the DevExpress Install Wizard for automated toolbox integration. ajax control toolkit dll download for visual studio 2022
To get the AJAX Control Toolkit working in your Visual Studio 2022 environment, use one of the following official methods: Recommended For Instructions Modern Projects Because Visual Studio 2022 does not always auto-populate
Get Started with the AJAX Control Toolkit (C#) - Microsoft Learn ajax control toolkit dll download for visual studio 2022
Downloading the for Visual Studio 2022 requires a slightly different approach than earlier versions due to modern project structures and compatibility changes. While traditionally available as a standalone installer, the most reliable way to integrate it today is through NuGet or by manually referencing the v20.1.0 DLL . Direct Download and Installation Methods
Run Install-Package AjaxControlToolkit in the Package Manager Console . Manual Reference