: This is the modern standard for adding the toolkit to Visual Studio projects. You can install it via the Package Manager Console: Install-Package AjaxControlToolkit
: If you download the DLLs manually, right-click References in your project, select Add Reference , and browse to the extracted AjaxControlToolkit.dll . Download Ajax Control Toolkit zip
: The full source code and latest releases are available on the official GitHub page . You can download the source as a .zip file by clicking the Code button and selecting Download ZIP . : This is the modern standard for adding
: Right-click your project in Visual Studio, select Manage NuGet Packages , search for "AjaxControlToolkit," and click install. You can download the source as a
Right-click the Toolbox and select (name it "AJAX Toolkit"). Right-click inside the new tab and select Choose Items .
: Only download the toolkit from GitHub , NuGet , or DevExpress . Avoid third-party "driver download" sites or unofficial mirrors, as these may contain outdated versions or bundled malware.