>>>>They both are 3.5.0 already. However, several other references are 2.0 Should I try to update them? >>> >>>No, that shouldn't be necessary. Most of the other references haven't been updated to a 3.5-specific version. >>> >>>Did you upgrade the AjaxControlToolkit as well? If not, that's probably the source of your error. >>> >> >>How exactly should I update it? I thought everything is included with the installation. >> >>The version says BIN AutoUpdate. > >There is a different version required for VS 2008/3.5: > >http://www.asp.net/ajax/ajaxcontroltoolkit/samples/ >http://www.codeplex.com/AtlasControlToolkit/Release/ProjectReleases.aspx?ReleaseId=11121
Thanks, I grabbed it, but the readme still refers to VS 2005.