The ajax project prompts me that Microsoft. Web. Preview. dl is missing and the AjaxControlToolkit assembly cannot be loaded. Solution

As shown in the following post, this preview. dll still cannot be installed and extracted in 2008. Throwing a dll of version 2008

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This is something I found online for a long time. I am afraid to share it with you. It also includes some ajax resources. It may be helpful to everyone.
Solution:
From http://www.codeplex.com/AtlasControlToolkit/Release/ProjectReleases.aspx? ReleaseId = 1425
Download AjaxControlToolkit-NoSource.zip"
Decompress the package and choose "AjaxControlToolkit-NoSource \ AjaxControlExtender ".
"AjaxControlExtender. vsi" starter kit, click to install.
After installation,
In vs2005, click "file" --> "new" --> "website". In the displayed new website form, you will see
"My template" has an AJAX Control Toolkit Web Site module. Select it to create a new network
Site, add "AjaxControlToolkit. dll" in this project to your project, then you will see it
Added resource files for different countries or regions.
This error will not occur if you compile it again.
If you lack "Microsoft. Web. Preview. dll ",
To http://go.microsoft.com/fwlink? LinkID = 77294 download "Microsoft ASP. NET AJAX
Futures CTP"
After installation, go to the default installation folder (C: \ Program Files \ Microsoft ASP. NET \ ASP. NET 2.0 AJA
X Futures January CTP \ v1.0.61025.
Appendix:
I. Microsoft Ajax asp.net Web development example tutorial website
Http://www.asp.net/ajax/
2. corresponding to the Microsoft Ajax Development Kit
* ASP. NET 2.0, which is part of the Microsoft. NET Framework version 2.0, avai
Lable from
Http://msdn2.microsoft.com/en-us/netframework/aa731542.aspx.
* Microsoft ASP. net ajax v1.0, available from
Http://go.microsoft.com/fwlink? LinkID = 77296.
* Microsoft ASP. net ajax Futures CTP, available from
Http://go.microsoft.com/fwlink? LinkID = 77294.
* Microsoft ASP. net ajax Control Toolkit, available from
Http://www.codeplex.com/Release/ProjectReleases.aspx? ProjectName = AtlasControlToolkit
Iii. Ajax Technical Resource Center
Web: http://www.ibm.com/developerworks/cn/ajax/
Note: Starting from "getting started with Ajax", we will introduce "Ajax tools and related standards" and build a "developer community" for technical discussion,
To enable developers to "use Ajax technology to create more interactive Web Applications ".
But mostly for java developers.
Iv. Ajax framework-AjaxPro. NET download
Http://www.schwarz-interactive.de/
Download AjaxControlToolkit
Http://ajax.asp.net/downloads/default.aspx? Tabid = 47
Http://www.codeplex.com/AtlasControlToolkit/Release/ProjectReleases.aspx? ReleaseId = 1425