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.NET Forum / .NET Framework / CLR / April 2006which version clr will IE host by default?
If IE load an assembly, I am wondering which version of clr IE will host? if we have both 1.1 and 2.0 at client side. Thanks The application metadata will tell it which version of the CLR has to be loaded. This is just like clicking a .NET exe and the appropriate runtime version getting loaded automatically. You can also check to see if the browser has the correct version using Request.Browser.ClrVersion in an ASPX page (or HTTPHandler). Regards, Pandurang  Signatureblog: www.thinkingMS.com/pandurang > If IE load an assembly, I am wondering which version of clr IE will host? > if we have both 1.1 and 2.0 at client side. > > Thanks How do you think to get at the metadata before the CLR is loaded? By default IE will load the latest version of the framework installed. Willy. | The application metadata will tell it which version of the CLR has to be | loaded. This is just like clicking a .NET exe and the appropriate runtime [quoted text clipped - 10 lines] | > | > Thanks It just loads a shim, doesn't it? The actual CLR process is loaded later. I just tried a 1.1 and 2.0 Winform that were put in a IIS folder. When browsing from IT, it loaded them both fine. Regards, Pandurang Signatureblog: www.thinkingMS.com/pandurang > How do you think to get at the metadata before the CLR is loaded? > By default IE will load the latest version of the framework installed. [quoted text clipped - 16 lines] > | > > | > Thanks The shim is mscoree.dll, which is installed in system32, this one is the version belonging to the latest version of the framework installed, and the shim will load the latest version of the CLR (which is not a process btw) installed. You can only change this behavior through the config file. Note that the V2 CLR can execute v1 applications as well as v2 applications, this is why your winform applications laod and probably runs fine. Willy. | It just loads a shim, doesn't it? The actual CLR process is loaded later. I | just tried a 1.1 and 2.0 Winform that were put in a IIS folder. When [quoted text clipped - 23 lines] | > | > | > | > Thanks Thanks, gentlemen. I have another question. When I use IE to load an assembly, there's a user control in it, I always get SecurityPermission Exception when I tried to do something like Socket, File I/O or Registry, I know it's against code access security policy at client side. Is there anyway we can make it work without code group permission setting at client side? Is there anything like Activex Control in IE for .NET Assembly, maybe IE7 have this feature? > The shim is mscoree.dll, which is installed in system32, this one is the > version belonging to the latest version of the framework installed, and the [quoted text clipped - 35 lines] > | > | > > | > | > Thanks By the way to see which version of the CLR is loaded for the assembly there is a quick and easy way to enable the CLR Loading log as I posted on my blog: http://pointerx.net/blogs/glozano/archive/2006/03/23/84.aspx Gabriel Lozano-Morán > It just loads a shim, doesn't it? The actual CLR process is loaded later. > I [quoted text clipped - 26 lines] >> | > >> | > Thanks The latest version installed will be loaded by default. Willy. | If IE load an assembly, I am wondering which version of clr IE will host? | if we have both 1.1 and 2.0 at client side. | | Thanks Free MagazinesGet these publications absolutely FREE for up to 12 months. There are no hidden fees and no obligation. Simply choose a title, complete the application form and submit it. Read more ...
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