It is advisable to follow the following steps in the order as they appear i.e. removing from Visual Studio toolbox first, and then uninstall the product from the machine.
Un-installing the .NET controls from Visual Studio toolbox
- Run a session of Visual Studio (if it is not already running)
- Keep the Visual Studio Toolbox window open
- Select the appropriate .NET control that want to remove from the system
- Right-click on that control item, and click the Delete content menu command
Un-installing the product: Setup
- Open the Control Panel in your Windows machine. You can find this in the Windows start menu
- Click the Uninstall a program command link in that screen
- From the resulting screen, where a list of installed applications are displayed, select the appropriate .NET control product that you want to uninstall from your machine
- Click the Uninstall command button on the toolbar in that screen
- The above action should initiate the uninstall process