While newer versions have succeeded it, many legacy enterprise systems still rely on this specific foundation. This guide covers how to secure a legitimate download, install the toolkit, and understand its core features. Where to Download AJAX Control Toolkit 1.0

The represents a landmark moment in web development history, marking the transition from static "post-back" websites to the fluid, interactive experiences we expect today. Originally launched in early 2007 as a joint project between Microsoft and the open-source community, it was designed to extend the capabilities of ASP.NET 2.0 .

For developers needing specific build versions (like 1.0.20229 or 1.0.11119 ), the project maintains an archived releases page that contains ZIP files with both source code and binaries.

The most reliable way to obtain the binaries for modern development environments is via the official NuGet package for version 1.0.0 . This version targets the .NET Framework 2.0 and ASP.NET AJAX 1.0 Extensions .