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Using .Net 1.1 assemblies from a .Net 2.0 AppCan anyone point me at some references that discuss the issues involved in
referencing .Net 1.1 assemblies from a .Net 2.0 application? We are migrating our application to .Net 2.0 and have a number of 3rd party assemblies that we leverage. Some of them do not yet have support for .Net 2.0. So I'm wondering what kind of problems I might be in for if I try to combine the two. Obviously I'll need to have both versions of the framework installed on the machine. Beyond that am I asking for trouble or should this work seamlessly? -Brett- Hi Brett,
So there is no such a list about running 1.1 code on .NET 2.0. Here are the links you may take a look. http://dotnetdebug.blogspot.com/2006/01/running-net-20-and-11-side-by-side.h tml http://blogs.msdn.com/junfeng/archive/2004/07/22/190813.aspx Commonly we suggest use app.config to force the .NET 1.1 code on .NET 1.1 runtime. But so far we can not host two runtime in one process, so if we are going to reference .NET 1.1 as a library in .NET 2.0, we can not run both .NET 1.1 and 2.0 runtime. If so, I think we need to recompile the .NET 1.1. code on .NET 2.0 if there is any error. Or we can write another .NET 1.1 App to host the class library and interactive with .NET 2.0 with remoting or other IPC(e.g. Web Service). But commonly the .NET 1.1 code will run fine on .NET 2.0 this is the last approach we may try. Best regards, Peter Huang Microsoft Online Partner Support Get Secure! - www.microsoft.com/security This posting is provided "AS IS" with no warranties, and confers no rights. So as I understand it since my app is built on.Net 2.0 any assemblies I
reference will also use .Net 2.0 (even if they were built on .Net 1.1 and ..Net 1.1 is installed on the pc). This will all work as long as none of those .Net 1.1 assemblies have compatibility issues with .Net 2.0. Correct? This is good news as it gives my app a good chance of working without waiting for my 3rd party libs to update to .Net 2.0. Obviously I'l have to do some thorough testing but I'm optimistic. -Brett- Show quote ""Peter Huang" [MSFT]" <v-phu***@online.microsoft.com> wrote in message news:DrOxVoyQGHA.5524@TK2MSFTNGXA03.phx.gbl... > Hi Brett, > > So there is no such a list about running 1.1 code on .NET 2.0. > Here are the links you may take a look. > http://dotnetdebug.blogspot.com/2006/01/running-net-20-and-11-side-by-side.h > tml > http://blogs.msdn.com/junfeng/archive/2004/07/22/190813.aspx > > Commonly we suggest use app.config to force the .NET 1.1 code on .NET 1.1 > runtime. > But so far we can not host two runtime in one process, so if we are going > to reference .NET 1.1 as a library in .NET 2.0, we can not run both .NET > 1.1 and 2.0 runtime. > If so, I think we need to recompile the .NET 1.1. code on .NET 2.0 if > there > is any error. > Or we can write another .NET 1.1 App to host the class library and > interactive with .NET 2.0 with remoting or other IPC(e.g. Web Service). > But commonly the .NET 1.1 code will run fine on .NET 2.0 this is the last > approach we may try. > > > > Best regards, > > Peter Huang > Microsoft Online Partner Support > > Get Secure! - www.microsoft.com/security > This posting is provided "AS IS" with no warranties, and confers no > rights. > Hi Brett,
Yes, you are right. In a process, there will be only one runtime, .NET 1.1 or .NET 2.0, but not both. Best regards, Peter Huang Microsoft Online Partner Support Get Secure! - www.microsoft.com/security This posting is provided "AS IS" with no warranties, and confers no rights. "CuriousGeorge" <brettrobichaud@newsgroup.nospam> wrote in message Hi,news:ebucW8wQGHA.2156@tk2msftngp13.phx.gbl... > Can anyone point me at some references that discuss the issues involved in > referencing .Net 1.1 assemblies from a .Net 2.0 application? > > We are migrating our application to .Net 2.0 and have a number of 3rd > party assemblies that we leverage. Some of them do not yet have support > for .Net 2.0. So I'm wondering what kind of problems I might be in for if > I try to combine the two. Obviously I'll need to have both versions of > the framework installed on the machine. Beyond that am I asking for > trouble or should this work seamlessly? I am in the same situation... I use .net 2.0 as dev platform, but I have some 1.1 DLL's from a third party. I just added those DLL's to the References of my project and they work perfectly... I had no problem at all... Best Regards, Jeroen Vandezande Great, that confirms what I understand. I just need to verify that all of
the 3rd party dlls built on .Net 1.1 are compatible with .Net 2.0. Thanks... -Brett- Show quote "Jeroen Vandezande" <NoSpam@NoSpam.be> wrote in message news:OpUGrL5QGHA.4344@TK2MSFTNGP12.phx.gbl... > > "CuriousGeorge" <brettrobichaud@newsgroup.nospam> wrote in message > news:ebucW8wQGHA.2156@tk2msftngp13.phx.gbl... >> Can anyone point me at some references that discuss the issues involved >> in referencing .Net 1.1 assemblies from a .Net 2.0 application? >> >> We are migrating our application to .Net 2.0 and have a number of 3rd >> party assemblies that we leverage. Some of them do not yet have support >> for .Net 2.0. So I'm wondering what kind of problems I might be in for >> if I try to combine the two. Obviously I'll need to have both versions >> of the framework installed on the machine. Beyond that am I asking for >> trouble or should this work seamlessly? > > > Hi, > > I am in the same situation... I use .net 2.0 as dev platform, but I have > some 1.1 DLL's from a third party. > I just added those DLL's to the References of my project and they work > perfectly... > I had no problem at all... > > > Best Regards, > > Jeroen Vandezande > >  |
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