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Working with different versions of AjaxControlToolkit in Visual Studio 2010

  When working with different versions of AjaxControlToolkit, Visual Studio 2010 contains some interesting improvements compared to previous versions of Visual Studio. When adding a particular version of AjaxControlToolkit controls (or other similar third-party controls) to the toolbox using the Choose Toolbox Items dialog, we now show...

Web Custom Control Behavior and Authoring

  Some Best Practices and Guidance for Web Control Vendors Targeting Visual Studio The goal of this post is to provide guidance for control vendors on best practices for writing custom controls with regard to their behavior in Visual Studio. It is designed to give vendors insight into how Visual Studio behaves when performing common ...

Framework .NET 3.5 Sp1 required for targeting frameworks 2.0, 3.0 or 3.5 (multi-targeting) using Visual Studio 2010

We have had some customers ask why they are unable to target earlier frameworks .NET 2.0, 3.0 or 3.5 using Visual Studio 2010. Targeting earlier frameworks (also known as Multi-targeting) is in-fact fully supported in VS 2010, but there is a pre-requisite that .NET Framework 3.5 Sp1 must be installed on the machine for VS 2010 to be able to ...

Visual Studio 2010 Property Grid Filtering

Visual Studio 2010 improves .NET framework multi-targeting by applying framework-appropriate filtering to the property grid and Intellisense. For example, if you select a button on a web form of a .NET 2.0 web project, in the Property Grid you  will see: If you go to the Project Properties and change the Target Framework version to 4.0...

Multi-targeting of web projects using Visual Studio 2010 Beta1

The multi-targeting feature of Visual Studio 2010 allows web developers to develop web applications targeting ASP.NET 2.0, 3.0, 3.5 and 4.0. The key benefit of multi-targeting is that you can use Visual Studio 2010 to create and develop new projects that target earlier versions of the .NET Framework (such as 2.0, 3.0 and 3.5). Multi-targeting ...