Using VS.NET 2005 i was on a project and tried using the TABS in AjaxControl kit I was sure the version was 1.0.61025.0 but anytime i compile the project i get the error : The type 'System.Web.UI.ScriptManager' exists in both 'c:\Windows\assembly\GAC_MS... and 'c:\Windows\assembly\GAC_MS... I did all i knew to add the right TAGS in web.config but ......
To resolve this issue, you must change your development machine .net security configuration since you are accessing items across the network. In the event that you need this ability at runtime, you must change the trust level in your config file to full. However, since this is only in development, I can change my local PC's security by going to Start > Control Panel > Administrative Tools > Microsoft .NET Framework 2.0 Configuration. After it fully loads (sometimes takes a bit), fully expand ......