I have just installed VS2008. I then got the 3.5 SP1 update installed. Then I installed the AJAX 3.5 Toolkit. I then go into VS, select File/New AJAX Control Toolkit Web Site (VB) and as expected, the Scriptmanager1 is installed by default in the default.aspx code page. When I switch to Design View, VS can not display the Scriptmanager and shows the error: Error creating control - Scriptmanager1. Unable to create type...blah, blah.
I can at this point, delete the Scriptmanager, go into my AJAX Toolbox on the Tools panel and drag a Scriptmanager onto the form. When I do, I get a popup that reads: Destination File Exists - A file with the name 'Bin/AjaxControlToolkit.dll' already exists. Do you want to replace - for each control that I drop on the form? If I say yes to all, all is well and I can continue to code.
My question is, why is all of this happening? The default Scriptmanager on the page should work, and I shouldn't be prompted about existing files.
What, where, and how do I fix this problem?