Right-click the Toolbox and select (name it "AJAX Toolkit"). Right-click inside the new tab and select Choose Items .
: Since 2014, DevExpress has maintained the toolkit. You can find installer versions and documentation on the DevExpress AJAX Control Toolkit page. 🛠 Installation & Setup
: 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 Avoid third-party "driver download" sites or unofficial mirrors, as these may contain outdated versions or bundled malware. Download Ajax Control Toolkit zip
Browse to the AjaxControlToolkit.dll to populate the list with controls like CalendarExtender , Accordion , and ModalPopupExtender . ⚠️ Security & Versioning Note
: To see the controls in your Visual Studio Toolbox: Right-click the Toolbox and select (name it "AJAX Toolkit")
: Right-click your project in Visual Studio, select Manage NuGet Packages , search for "AjaxControlToolkit," and click install.
: 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 You can find installer versions and documentation on
: If you download the DLLs manually, right-click References in your project, select Add Reference , and browse to the extracted AjaxControlToolkit.dll .