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inetserver asp components : Using Multiple Versions of the dlls for the app
twice, afaik, so they'd have to have different names. The other option is to put the new dll on your test server. Test server? Come on, we all have piles of test servers all over the place. ;] Ray at home [quoted text, click to view] "ack" <akshay49@hotmail.com> wrote in message news:uo%23PbfGlDHA.2616@TK2MSFTNGP11.phx.gbl... > Hii all, > > I have a this internal use portal i am working on deployed on a server. > My app uses some dlls that are instantiated from the asp pages using > server.createobject > Now I want to deploy the new versions of the web app on the same machine for > testing thus making production and staging machines same, running the actual > site as well as test site > I have modified the dlls. So I want the old site to use old dll and new site > to use newer version > > IIS 5,, W2K > > > How can I? > > Thank U in advance > > ak > >
You cannot do this with VB components but you should be able to do it with
C++ components. You'll have to set up different versions in the registry. For an example of how this works have a look at the MSXML2.XMLHTTP object in the registry. You will probably see at least 2 versions. CreateObject("msxml2.xmlhttp") will give you the "standard" version. probably 3.0 CreateObject("msxml2.xmlhttp.2.6") will give you the 2.6 version CreateObject("msxml2.xmlhttp.3.0") will give you the 3.0 version CreateObject("msxml2.xmlhttp.4.0") will give you the 4.0 version Put the desired ProgIDs in an include file so you can change them easily. If the objects are in VB components you will need to change the project and DLL name and recompile the dlls. Then put the new ProgID in an include file as above. For example: CreateObject("somedll1.someobject") version 1 application CreateObject("somedll2.someobject") version 2 application -- Mark Schupp Head of Development Integrity eLearning www.ielearning.com [quoted text, click to view] "ack" <akshay49@hotmail.com> wrote in message news:OyPk0zGlDHA.2536@tk2msftngp13.phx.gbl... > Is there no way by which i can specify which version of the dll to load? > > As far as i believe, when a dll registered it creates the entries in the > registry storing all the information like GUIDs, Threading Models etc, > including path. > > I am not sure if i understand the COM model exactly, but still these are my > thoughts > > Shld thr be any mechanism by which one wld be able to load the appropriate > info. > > > > "Ray at <%=sLocation%>" <myfirstname at lane 34 . komm> wrote in message > news:uefm5gGlDHA.2528@TK2MSFTNGP10.phx.gbl... > > You could give them different class names. You can't register the same > name > > twice, afaik, so they'd have to have different names. The other option is > > to put the new dll on your test server. Test server? Come on, we all > have > > piles of test servers all over the place. ;] > > > > Ray at home > > > > "ack" <akshay49@hotmail.com> wrote in message > > news:uo%23PbfGlDHA.2616@TK2MSFTNGP11.phx.gbl... > > > Hii all, > > > > > > I have a this internal use portal i am working on deployed on a server. > > > My app uses some dlls that are instantiated from the asp pages using > > > server.createobject > > > Now I want to deploy the new versions of the web app on the same machine > > for > > > testing thus making production and staging machines same, running the > > actual > > > site as well as test site > > > I have modified the dlls. So I want the old site to use old dll and new > > site > > > to use newer version > > > > > > IIS 5,, W2K > > > > > > > > > How can I? > > > > > > Thank U in advance > > > > > > ak > > > > > > > > > > > >
I don't believe so. There isn't any third argument to accept version info
or anything, so it'd have to be in the class string. But I don't know about all this for sure. (In other words, if someone else is following thread and knows for sure, feel free to chime in.) Creates and returns a reference to an Automation object. CreateObject(servername.typename [, location])Arguments servername Required. The name of the application providing the object. typename Required. The type or class of the object to create. location Optional. The name of the network server where the object is to be created. Ray at work [quoted text, click to view] "ack" <akshay49@hotmail.com> wrote in message news:OyPk0zGlDHA.2536@tk2msftngp13.phx.gbl... > Is there no way by which i can specify which version of the dll to load? > > As far as i believe, when a dll registered it creates the entries in the > registry storing all the information like GUIDs, Threading Models etc, > including path. > > I am not sure if i understand the COM model exactly, but still these are my > thoughts > > Shld thr be any mechanism by which one wld be able to load the appropriate > info. >
Hii all,
I have a this internal use portal i am working on deployed on a server. My app uses some dlls that are instantiated from the asp pages using server.createobject Now I want to deploy the new versions of the web app on the same machine for testing thus making production and staging machines same, running the actual site as well as test site I have modified the dlls. So I want the old site to use old dll and new site to use newer version IIS 5,, W2K How can I? Thank U in advance ak
Is there no way by which i can specify which version of the dll to load?
As far as i believe, when a dll registered it creates the entries in the registry storing all the information like GUIDs, Threading Models etc, including path. I am not sure if i understand the COM model exactly, but still these are my thoughts Shld thr be any mechanism by which one wld be able to load the appropriate info. [quoted text, click to view] "Ray at <%=sLocation%>" <myfirstname at lane 34 . komm> wrote in message news:uefm5gGlDHA.2528@TK2MSFTNGP10.phx.gbl... > You could give them different class names. You can't register the same name > twice, afaik, so they'd have to have different names. The other option is > to put the new dll on your test server. Test server? Come on, we all have > piles of test servers all over the place. ;] > > Ray at home > > "ack" <akshay49@hotmail.com> wrote in message > news:uo%23PbfGlDHA.2616@TK2MSFTNGP11.phx.gbl... > > Hii all, > > > > I have a this internal use portal i am working on deployed on a server. > > My app uses some dlls that are instantiated from the asp pages using > > server.createobject > > Now I want to deploy the new versions of the web app on the same machine > for > > testing thus making production and staging machines same, running the > actual > > site as well as test site > > I have modified the dlls. So I want the old site to use old dll and new > site > > to use newer version > > > > IIS 5,, W2K > > > > > > How can I? > > > > Thank U in advance > > > > ak > > > > > >
I have never worked with VC++ and dunno kno exactly wut to be done, but certainly will try my hands about this some time. I have done the same thing as Mark had said, but I wanted to avoid that. Neways, this seems the only way out. I have compiled the project with another name and have created a applicatin level variable application("DLLNAME"). By using it in Server.CreateObject( Application("DLLNAME" & ".ClassName"), I have achieved it. So while deploying other versions I will need to change the application level variable in global.asa :( Ofcourse I am not happy with this and will try my hands on VC, sometime Sorry for being late, wasnot working this weekend. neways, thank you Mark n Ray Ak [quoted text, click to view] "Mark Schupp" <mschupp@ielearning.com> wrote in message news:uVmJHSMlDHA.1676@TK2MSFTNGP09.phx.gbl... > You cannot do this with VB components but you should be able to do it with > C++ components. You'll have to set up different versions in the registry. > For an example of how this works have a look at the MSXML2.XMLHTTP object in > the registry. You will probably see at least 2 versions. > > CreateObject("msxml2.xmlhttp") will give you the "standard" version. > probably 3.0 > CreateObject("msxml2.xmlhttp.2.6") will give you the 2.6 version > CreateObject("msxml2.xmlhttp.3.0") will give you the 3.0 version > CreateObject("msxml2.xmlhttp.4.0") will give you the 4.0 version > > Put the desired ProgIDs in an include file so you can change them easily. > > If the objects are in VB components you will need to change the project and > DLL name and recompile the dlls. Then put the new ProgID in an include file > as above. For example: > > CreateObject("somedll1.someobject") version 1 application > CreateObject("somedll2.someobject") version 2 application > > -- > Mark Schupp > Head of Development > Integrity eLearning > www.ielearning.com > > > "ack" <akshay49@hotmail.com> wrote in message > news:OyPk0zGlDHA.2536@tk2msftngp13.phx.gbl... > > Is there no way by which i can specify which version of the dll to load? > > > > As far as i believe, when a dll registered it creates the entries in the > > registry storing all the information like GUIDs, Threading Models etc, > > including path. > > > > I am not sure if i understand the COM model exactly, but still these are > my > > thoughts > > > > Shld thr be any mechanism by which one wld be able to load the appropriate > > info. > > > > > > > > "Ray at <%=sLocation%>" <myfirstname at lane 34 . komm> wrote in message > > news:uefm5gGlDHA.2528@TK2MSFTNGP10.phx.gbl... > > > You could give them different class names. You can't register the same > > name > > > twice, afaik, so they'd have to have different names. The other option > is > > > to put the new dll on your test server. Test server? Come on, we all > > have > > > piles of test servers all over the place. ;] > > > > > > Ray at home > > > > > > "ack" <akshay49@hotmail.com> wrote in message > > > news:uo%23PbfGlDHA.2616@TK2MSFTNGP11.phx.gbl... > > > > Hii all, > > > > > > > > I have a this internal use portal i am working on deployed on a > server. > > > > My app uses some dlls that are instantiated from the asp pages using > > > > server.createobject > > > > Now I want to deploy the new versions of the web app on the same > machine > > > for > > > > testing thus making production and staging machines same, running the > > > actual > > > > site as well as test site > > > > I have modified the dlls. So I want the old site to use old dll and > new > > > site > > > > to use newer version > > > > > > > > IIS 5,, W2K > > > > > > > > > > > > How can I? > > > > > > > > Thank U in advance > > > > > > > > ak > > > > > > > > > > > > > > > > > > > >
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