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.NET Forum / ASP.NET / Web Services / December 2004WebService session sessionstate SOAP
*Please* help --- I'm tearing my hair out. I want to use sessionstate in a webservice, accessed from a client, written in script (JScript, InfoPath). I have written my webservice (C# .NET). I have marked the method(s) with EnableSession=true. I have read everything there is to read! I am told that to reuse session, my client needs to receive a cookie in the header from the webservice and then pass this back in all future calls. This can all be found in HttpWebClientProtocol.CookieContainer. I am told to "Assign the CookieContainer to the proxy class" in the web client. But my client isn't a C# .NET app! It's JScript in InfoPath. I have written code there to invoke the webmethod via SOAP/XMLHTTP, so I'm in charge of stuff. The call works fine, minus session stuff. But I cannot see where what I need for preserving the session is kept/accessed? As I understand it, I'm just looking to preserve a cookie for "sessionid" that will be in the "header" (SOAP header? HTTP header?) sent to me from the webservice? I'm lost & frustrated... Hi Jb, When using session state based in cookies, you have to realize that this is an HTTP request feature, and not a SOAP envelope or XML feature. You would do this in the same way you would if you were writing a web browser and had to write cookies. Another option you have is to set up database enabled session state. This is a pretty heavy handed step. Another choice you have is to include some XML payload that is used to manage state on your own. You could do this with SOAP headers, or by adding a special collection to your request/return types for passing state. I hope this helps Dan Rogers Microsoft Corporation -------------------- >Thread-Topic: WebService session sessionstate SOAP >thread-index: AcTWQ73ffiT/M31bSg2mjWXTC+NO4w== [quoted text clipped - 14 lines] >X-MimeOLE: Produced By Microsoft MimeOLE V6.00.3790.0 >Newsgroups: microsoft.public.xml.soap,microsoft.public.dotnet.framework.aspnet.webservic es,microsoft.public.dotnet.framework.webservices,microsoft.public.infopath >NNTP-Posting-Host: TK2MSFTNGXA03.phx.gbl 10.40.1.29 >Path: cpmsftngxa10.phx.gbl!TK2MSFTNGXA03.phx.gbl >Xref: cpmsftngxa10.phx.gbl microsoft.public.dotnet.framework.aspnet.webservices:26853 microsoft.public.dotnet.framework.webservices:7681 microsoft.public.infopath:14400 microsoft.public.xml.soap:7292 >X-Tomcat-NG: microsoft.public.dotnet.framework.aspnet.webservices > [quoted text clipped - 20 lines] > >I'm lost & frustrated... InfoPath as a client doesn't respect the session cookie. You'll have to receive the web service through script and store the header information into the DOM somewhere, and handle the cookie get/send yourself. Sorry I don't have any more information on how to do this, but at least you can stop looking for something automatic within InfoPath. Brian > *Please* help --- I'm tearing my hair out. > [quoted text clipped - 22 lines] > > I'm lost & frustrated... Brian, Thanks for the reply. Is it possible you're wrong, or I'm *totally* misunderstanding what's going on? 'Coz now I'm even *more* mystified! First, forget about SOAP. I think I understand I'm talking about HTTP headers. I'm finding, empirically, that my session & state *are* being preserved, even though I've done nought in InfoPath! Yet you say: > InfoPath as a client doesn't respect the session cookie. Debugging at the webservice side, I see a session being created for the first IP request. Then no new session for subsequent requests, and my WS sees its Session[] variables as it set them up last request. Session times out as usual after inactivity for a while, as per web.config. I switch on debugging in IIS to include showing "cookies". For all requests (after the first) coming in from IP I see at the end of the trace info all the "cookies", *including* "ASP.NET_SessionId=......." at the end. This is being passed from IP, right? And the fact it's there is causing the WS to reuse existing session, right? What am I failing to understand? I find *all* IP sessions on my machine (no matter what IP form), to the same WS at least, use the same WS session; any IP sessions from another machine use a different session. Maybe I'm not very clear about what I'm wanting/trying to understand. There are really 2 different things, I don't quite understand how they are related: 1. My WS must see the same session for subsequent requests from the same IP client (machine will probably do), as indicated by when Session_Start() in Global.asax.cs gets called. I find this is true. This is vital. 2. My WS sees the same variables/contents in its Session[] bucket for subsequent requests from the same IP client (machine will probably do). I find this is true. This is *not* so vital, so long as I know what the case will be --- I can code as necessary. I should be *so* grateful if you/whoever would explain. > InfoPath as a client doesn't respect the session cookie. You'll have to > receive the web service through script and store the header information into [quoted text clipped - 30 lines] > > > > I'm lost & frustrated... I expect you'll have to add the session as a paremeter in the web service methods. InfoPath is probably relying on something underneath which assumes that HTTP is stateless, and any shared info can safely be shared across all calls on the machine--possibly including IE and multiple InfoPath forms. I have no idea what InfoPath does internally, but this might be a feature request for future versions. But the inherent statelessness of HTTP means that relying on sessions may not be such a good idea. Since cookies are not really part of SOAP (I don't think, I may be wrong), a client can choose to implement cookie handling any way it wants and still be a perfectly valid Web Service client. --Matthew Blain http://tips.serriform.com/ http://www.developingsolutionswithinfopath.com > Brian, > [quoted text clipped - 72 lines] > > > > > > I'm lost & frustrated... Matthew, If you're interested, see my response to Brian above. Thanks for your help. "Matthew Blain (Serriform)" wrote: > I expect you'll have to add the session as a paremeter in the web service > methods. InfoPath is probably relying on something underneath which assumes [quoted text clipped - 109 lines] > > > > > > > > I'm lost & frustrated... Hi JB, It's confusing to me whether your issues are solved or not. If session is working, is there still a problem? Regards Dan Rogers Microsoft Corporation -------------------- >Thread-Topic: WebService session sessionstate SOAP >thread-index: AcTW+tPoi/E9wHG1QWaCZb+6c/gMUA== >X-WBNR-Posting-Host: 82.152.32.104 >From: "=?Utf-8?B?amI=?=" <jb@discussions.microsoft.com> >References: <D508185A-92F1-4EAE-9997-531792C3D9DA@microsoft.com> <#YCgSyn1EHA.412@TK2MSFTNGP14.phx.gbl> >Subject: Re: WebService session sessionstate SOAP >Date: Tue, 30 Nov 2004 08:37:05 -0800 [quoted text clipped - 10 lines] >X-MimeOLE: Produced By Microsoft MimeOLE V6.00.3790.0 >Newsgroups: microsoft.public.xml.soap,microsoft.public.dotnet.framework.aspnet.webservic es,microsoft.public.dotnet.framework.webservices,microsoft.public.infopath >NNTP-Posting-Host: TK2MSFTNGXA03.phx.gbl 10.40.1.29 >Path: cpmsftngxa10.phx.gbl!TK2MSFTFEED01.phx.gbl!TK2MSFTNGP08.phx.gbl!TK2MSFTNGXA0 3.phx.gbl >Xref: cpmsftngxa10.phx.gbl microsoft.public.dotnet.framework.aspnet.webservices:26892 microsoft.public.dotnet.framework.webservices:7696 microsoft.public.infopath:14431 microsoft.public.xml.soap:7295 >X-Tomcat-NG: microsoft.public.dotnet.framework.aspnet.webservices > [quoted text clipped - 74 lines] >> > >> > I'm lost & frustrated... From my investigations, session is working the way I would like, and so my issues are solved (if a bit worryingly...) This is now an "InfoPath" issue, and I will continue my comments in that forum. Thanks for your interest. > Hi JB, > [quoted text clipped - 134 lines] > >> > > >> > I'm lost & frustrated... From my investigations, session is working the way I would like, and so my issues are solved (if a bit worryingly...) This is now an "InfoPath" issue, and I will continue my comments in that forum. Thanks for your interest. > Hi JB, > [quoted text clipped - 134 lines] > >> > > >> > I'm lost & frustrated... 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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