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Perfect! &nbsp;I changed the target framework from 3.5 to 4.0 and it worked.
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Perfect!  I changed the target framework from 3.5 to 4.0 and it worked.

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When I installed Ajax Toolkit for visual studio 2010, the &quot;Ajax Toolkit&quot; tab I created disapeared.<br />
Which means that all the items will be grayed out when I right click on toolbox and show all.<br />
<br />
I created a website project and in the process of creating a feature for SharePoint.<br />
<br />
Why is that happening?<br />
<br />
Thanks.
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When I installed Ajax Toolkit for visual studio 2010, the "Ajax Toolkit" tab I created disapeared.
Which means that all the items will be grayed out when I right click on toolbox and show all.

I created a website project and in the process of creating a feature for SharePoint.

Why is that happening?

Thanks.

AJax Toolkit for VS 2010

The successor to Active Server Pages, ASP.NET websites utilize the .NET framework to produce dynamic, data and content-driven web applications and services. ASP.NET code can be written using any .NET supported language. As of 2009, ASP.NET can also apply the Model-View-Controller (MVC) pattern to web applications

ASP.NET

Microsoft Sharepoint is a software platform and family of software products used for collaboration and web publishing combined. These capabilities include developing web sites, portals, intranets, content management systems, search engines, wikis, blogs, and other tools for business intelligence and collaboration. SharePoint has a Microsoft Office-like interface, and it is closely integrated with the Office suite.