Open the Package Manager Console (Tools > Library Package Manager) and run: Install-Package AjaxControlToolkit
While Visual Studio 2012 is a legacy environment, the toolkit is still fully compatible. You can download and integrate it using the following primary methods. 1. The Recommended Way: NuGet Package Manager ajax control toolkit download for visual studio 2012
How to add ajaxcontroltoolkit to toolbox in Visual Studio 2012 Open the Package Manager Console (Tools > Library
The most efficient way to download the toolkit for a specific project in Visual Studio 2012 is via . This ensures all necessary DLLs and dependencies are automatically added to your project's bin folder. The Recommended Way: NuGet Package Manager How to
If you prefer a global installation that integrates directly into your Visual Studio Toolbox, you can use the standalone installer or manual DLL reference.
For developers maintaining legacy ASP.NET Web Forms projects, the remains an essential library for adding interactive UI components like calendars, accordions, and modal popups.
Right-click your project in Solution Explorer , select Manage NuGet Packages , and search for the AjaxControlToolkit on NuGet . 2. Manual Download and Installation