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• Dependency Injection for Windows Phone 7

  - by Igor Zevaka

  I was trying to use Unity 2.0 beta 2 for Silverlight in my Windows Phone 7 project and I kept getting this crash: Microsoft.Practices.Unity.Silverlight.dll!Microsoft.Practices.ObjectBuilder2.DynamicMethodConstructorStrategy.DynamicMethodConstructorStrategy() + 0x1f bytes Microsoft.Practices.Unity.Silverlight.dll!Microsoft.Practices.ObjectBuilder2.DynamicMethodConstructorStrategy.DynamicMethodConstructorStrategy() + 0x1f bytes mscorlib.dll!System.Reflection.RuntimeConstructorInfo.InternalInvoke(System.Reflection.RuntimeConstructorInfo rtci = {System.Reflection.RuntimeConstructorInfo}, System.Reflection.BindingFlags invokeAttr = Default, System.Reflection.Binder binder = null, object parameters = {object[0]}, System.Globalization.CultureInfo culture = null, bool isBinderDefault = false, System.Reflection.Assembly caller = null, bool verifyAccess = true, ref System.Threading.StackCrawlMark stackMark = LookForMyCaller) mscorlib.dll!System.Reflection.RuntimeConstructorInfo.InternalInvoke(object obj = null, System.Reflection.BindingFlags invokeAttr = Default, System.Reflection.Binder binder = null, object[] parameters = {object[0]}, System.Globalization.CultureInfo culture = null, ref System.Threading.StackCrawlMark stackMark = LookForMyCaller) + 0x103 bytes mscorlib.dll!System.Activator.InternalCreateInstance(System.Type type = {Name = "DynamicMethodConstructorStrategy" FullName = "Microsoft.Practices.ObjectBuilder2.DynamicMethodConstructorStrategy"}, bool nonPublic = false, ref System.Threading.StackCrawlMark stackMark = LookForMyCaller) + 0xf0 bytes mscorlib.dll!System.Activator.CreateInstance() + 0xc bytes Microsoft.Practices.Unity.Silverlight.dll!Microsoft.Practices.ObjectBuilder2.StagedStrategyChain.AddNew(Microsoft.Practices.Unity.ObjectBuilder.UnityBuildStage stage = Creation) + 0x1d bytes Microsoft.Practices.Unity.Silverlight.dll!Microsoft.Practices.Unity.UnityDefaultStrategiesExtension.Initialize() + 0x6c bytes Microsoft.Practices.Unity.Silverlight.dll!Microsoft.Practices.Unity.UnityContainerExtension.InitializeExtension(Microsoft.Practices.Unity.ExtensionContext context = {Microsoft.Practices.Unity.UnityContainer.ExtensionContextImpl}) + 0x31 bytes Microsoft.Practices.Unity.Silverlight.dll!Microsoft.Practices.Unity.UnityContainer.AddExtension(Microsoft.Practices.Unity.UnityContainerExtension extension = {Microsoft.Practices.Unity.UnityDefaultStrategiesExtension}) + 0x1a bytes Microsoft.Practices.Unity.Silverlight.dll!Microsoft.Practices.Unity.UnityContainer.UnityContainer() + 0xf bytes Thinking I could resolve it I've tried a few things but to no avail. Turns out that this is a rather fundamental problem and my assumption that Windows Phone 7 is Silverlight 3 + Some other stuff is wrong. This page describes the differences between Mobile Silverlight and Silverlight 3. Of particular interest is this: The System.Reflection.Emit namespace is not supported in Silverlight for Windows Phone. This is precisely why Unity is crashing on the phone, DynamicMethodConstructorStrategy class uses System.Reflection.Emit quite extensively... So the question is, what alternative to Unity is there for Windows Phone 7?

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• WCF Service - The resource cannot be found.

  - by Pinu

  I am deployed my published the WCF web service to my server and when i am tryihg to access it its giving me following error???? The resource cannot be found. Description: HTTP 404. The resource you are looking for (or one of its dependencies) could have been removed, had its name changed, or is temporarily unavailable. Please review the following URL and make sure that it is spelled correctly. Requested URL: /API/Errors/GeneralError.aspx

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• defining asmx webservice class objects as static

  - by Usama Khalil

  Hi, is it better to declare Webservice class object instances as static as the .asmx webservice classes have only static methods. what i want is that i declare and instantiate webservice asmx class as static in aspx Page Behind Class. and on every event call on that page i could perform operation against webservice methods. is it beneficial in terms of performance? Thanks Usama

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• mvc2 migration issue

  - by Sefer KILIÇ

  i migrate my mvc1 project to mvc2. my jquery json result function does not work anymore. have any idea ? aspx $.getJSON('Customer/GetWarningList/0', function(jsonResult) { $.each(jsonResult, function(i, val) { $('#LastUpdates').prepend(jsonResult[i].Url); }); }); controller public JsonResult GetWarningList(string id) { List<WarningList> OldBck = new List<WarningList>(); return this.Json(OldBck); }

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• Get the cursor position in the ajax html editor

  - by KhanS

  I am using the ajax html editor in my aspx page. I wanted to insert an image at the given cursor position. How can i get the cursor position. As of now I am able to insert the image at the end of the editor by creating a tag and adding it to the content.

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• How to link C# and C++ assemblies into a single executable

  - by swingkid

  I have VS2008 solution containg a project that generates a C# executable that references a project that generates a dll containing both C++/CLI and unmanaged C++. I would like to merge these into a single executable, as the C++ dll contains security code that I want to embed in the main executable. I cannot use ILMerge, as the dll contains both managed and unmanaged code. The suggested solution seems to be to use link.exe to link the C# assembly with the C++ object files. This is what I am trying to do. I manually edited the project file for the c# executable to generate a netmodule. I added a post build step to the executable project to run link.exe to link the c# netmodule and the compiled C++ object files together, then run mt.exe to merge the assembly manifests created by both projects. This runs successfully, but the exe still contains a reference to and uses the c++ types defined in the dll generated by the normal build process for the C++ project. I then specified /NOASSEMBLY in the project settings for the C++ dll, so it also generates a netmodule. In the C# project, I removed the reference to the C++ project, but added a project dependancy in the solution. I manually edited the C# project file to include similar to: <ItemGroup> <AddModules Include="..\Debug\librarycode.netmodule" /> </ItemGroup> i.e. to reference the C++ netmodule that is now generated by the C++ project. However, now the linker step in my post build event fails with: error LNK2027: unresolved module reference 'librarycode.netmodule' fatal error LNK1311: 1 unresolved module references: This is entirely understandable, as I am not linking in the librarycode netmodule; I am linking in the C++ object files used to generate the netmodule instead. So in short, how do I merge a c# executable and C++ object files into a single assembly? What have I missed? My source of reference so far (appart from the link.exe command link reference etc on MSDN) are the two following articles: http://blogs.msdn.com/texblog/archive/2007/04/05/linking-native-c-into-c-applications.aspx http://www.hanselman.com/blog/MixingLanguagesInASingleAssemblyInVisualStudioSeamlesslyWithILMergeAndMSBuild.aspx I have a demonstration solution that shows my workings so far, if this helps. Thank you very much in advance.

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• Grails - Simple hasMany Problem - How does 'save' work?

  - by gav

  My problem is this: I want to create a grails domain instance, defining the 'Many' instances of another domain that it has. I have the actual source in a Google Code Project but the following should illustrate the problem. class Person { String name static hasMany[skills:Skill] static constraints = { id (visible:false) skills (nullable:false, blank:false) } } class Skill { String name String description static constraints = { id (visible:false) name (nullable:false, blank:false) description (nullable:false, blank:false) } } If you use this model and def scaffold for the two Controllers then you end up with a form like this that doesn't work; My own attempt to get this to work enumerates the Skills as checkboxes and looks like this; But when I save the Volunteer the skills are null! This is the code for my save method; def save = { log.info "Saving: " + params.toString() def skills = params.skills log.info "Skills: " + skills def volunteerInstance = new Volunteer(params) log.info volunteerInstance if (volunteerInstance.save(flush: true)) { flash.message = "${message(code: 'default.created.message', args: [message(code: 'volunteer.label', default: 'Volunteer'), volunteerInstance.id])}" redirect(action: "show", id: volunteerInstance.id) log.info volunteerInstance } else { render(view: "create", model: [volunteerInstance: volunteerInstance]) } } This is my log output (I have custom toString() methods); 2010-05-10 21:06:41,494 [http-8080-3] INFO bumbumtrain.VolunteerController - Saving: ["skills":["1", "2"], "name":"Ian", "_skills":["", ""], "create":"Create", "action":"save", "controller":"volunteer"] 2010-05-10 21:06:41,495 [http-8080-3] INFO bumbumtrain.VolunteerController - Skills: [1, 2] 2010-05-10 21:06:41,508 [http-8080-3] INFO bumbumtrain.VolunteerController - Volunteer[ id: null | Name: Ian | Skills [Skill[ id: 1 | Name: Carpenter ] , Skill[ id: 2 | Name: Sound Engineer ] ]] Note that in the final log line the right Skills have been picked up and are part of the object instance. When the volunteer is saved the 'Skills' are ignored and not commited to the database despite the in memory version created clearly does have the items. Is it not possible to pass the Skills at construction time? There must be a way round this? I need a single form to allow a person to register but I want to normalise the data so that I can add more skills at a later time. If you think this should 'just work' then a link to a working example would be great. Hope this makes sense, thanks in advance! Gav

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• perl regex escape characters

  - by freshWoWer

  I have heard perl is a good language at doing regex but i am a bit confused at the characters that requires escaping I tested the code on http://regexlib.com/RETester.aspx and got the result I want //home/dev/abc/code/hello/world.cpp#1 //home/dev/((.*?)/[^/]+).*# Match $1 $2 //home/dev/abc/code/hello/world.cpp# abc/code abc However, I am not quite sure how do i translate this to perl code I tried, \/\/home\/dev\/\(\(\.\*\?\)\/\[\^\/\]\+\)\.\*\# and \/\/home\/dev\/((.*?)\/[^\/]+).*\# and both failed Don't you think the escaping makes the regex very unreadable? Am i using something wrong?

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• JAXB boolean handling oddities and JSF

  - by finrod

  There is a known bug in JAXB: https://jaxb.dev.java.net/issues/show_bug.cgi?id=733 JAXB does not properly generate boolean field getters and setters, this bug is left unfixed for backwards compatibility. A JAXB plugin exists and will ensure that the following getters and setters for boolean fields are generated: setXXX(Boolean value) is generated getXXX() is generated If the boolean attribute specifies default value in the XSD, then getXXX() returns boolean, If the boolean attribute does not specify default in the XSD, then getXXX() returns Boolean. Problem: trying to edit/view the XXX field in a JSF component (such as checkbox) does not work - the component is disabled. I have not traced this in depth but the assumption (backed by the workaround below) is that JSF EL resolver (or whathaveyou) looks for Boolean getXXX() method and since it does not find it, the component is disabled. Workaround: If I change the getXXX() method to always return Boolean, then everything goes. Questions: What are your ideas to address this problem? Have I missed some customization for the boolean-getter JAXB plugin? Is it possible (does it make sense) to alter JSF resolver (or whathaveyou) so that if Boolean getXXX() is not found, it will fall back to boolean getXXX()? I would prefer not to manually intervene and change all the generated getXXX() methods to return Boolean instead of boolean.

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• Declraing namespace schema with prefix in XSD/XML

  - by user1493537

  I am new to XML and I have a couple of questions about prefix. I need to "add the root schema element and insert the declaration for the XML schema namespace using the xc prefix. Set the default namespace and target of the schema to the URI test.com/test1" I am doing: <xc:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns="http://test.com/test1" targetNamespace="http://test.com/test1"> </xc:schema> Is this correct? The next one is: "insert the root schema element, declaring the XML schema namespace with the xc prefix. Declare the library namespace using the lib prefix and the contributors namespace using the cont prefix. Set the default namespace and the schema target to URI test.com/test2" The library URI is http://test.com/library and contributor URI is test.com/contributor I am doing: <xc:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:lib="http://test.com/library" xmlns:clist="http://test.com/contributor" targetNamespace="http://test.com/test2"> </xc:schema> Does this look right? I am confused with prefix and all. Thanks for the help.

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• open new window javascript

  - by Midhat

  I have a window.open call in a page, whose window itself is opened by a window.open call. So there are 2 windows already on the screen Now On the next window.open call: IE7 opens a new window Firefox opens a new tab in the topmost parent window Chrome opens a new tab in current window Is it possible to make this behaviour same in all three browsers. (preferably like #3) Edit : my call is rly simple javascript:window.open("Attachment.aspx?docid=42")

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• Help required on want to add Twitter OAuth just like facebook connect

  - by necromancer

  I want to add twitter oauth just like facebook connect in my site like this site http://mytweeple.com/default.aspx. Need help on this how i can do this. Regards,

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• Differences using JSON with MVC & MVC2?

  - by Dejan.S

  I recently started working with MVC or MVC2 to be more exact. I found a tutorial yesterday that was using JSON to populate a dropdowlist. Im not sure why this did not work with a MVC2 project and only with a MVC. Anybody got the time to just peep this site and maybe see what it might be? http://www.dotnetcurry.com/ShowArticle.aspx?ID=466. It's that JSON example, its homecontroler and the view code only I really want to know why thanks

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• Using Apache Camel how do I unmarshal my deserialized object that comes in through a CXF Endpoint?

  - by ScArcher2

  I have a very simple camel route. It starts with a CXF Endpoint exposed as a web service. I then want to convert it to xml and call a method on a bean. Currently i'm getting a CXF specific object after the web service call. How do I take my serialized object out of the CXF MessageList and use it going forward? My Route: <camel:route> <camel:from uri="cxf:bean:helloEndpoint" /> <camel:marshal ref="xstream-utf8" /> <camel:to uri="bean:hello?method=hello"/> </camel:route> The XML Serialized Message: <?xml version='1.0' encoding='UTF-8'?> <org.apache.cxf.message.MessageContentsList serialization="custom"> <unserializable-parents /> <list> <default> <size>1</size> </default> <int>6</int> <com.whatever.Person> <firstName>Joe</firstName> <middleName></middleName> <lastName>Buddah</lastName> <dateOfBirth>2010-04-13 12:09:00.137 CDT</dateOfBirth> </com.whatever.Person> </list> </org.apache.cxf.message.MessageContentsList> I would expect the XML to be more like this: <com.whatever.Person> <firstName>Joe</firstName> <middleName></middleName> <lastName>Buddah</lastName> <dateOfBirth>2010-04-13 12:09:00.137 CDT</dateOfBirth> </com.whatever.Person>

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• URL rewriting IIS6

  - by GigaPr

  Hi i was using HttpModule to Perform Extension-Less URL Rewriting as explained at http://weblogs.asp.net/scottgu/archive/2007/02/26/tip-trick-url-rewriting-with-asp-net.aspx Approach 3: works perfectly in IIS7, now i just published the solution to the live environment it doesnt work. the reason seems to be the fact that they are running IIS6 the question is does anyone now any quick solution to make it work in IIS6 without having to change all the code? thanks

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• Access View Missing in Access Data Source Configuration Wizard

  - by Steven

  I added an AccessDataSource to my ASPX page. I clicked on "Configure Data Source...", chose my Access database, and clicked the "Next " button. A couple of my queries / views are missing from the list. What might be causing this?

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• wpf and win32 overlapping issue

  - by priya-hatipkar

  I have a wpf Window, which has wpf control and windows forms control hosted in WindowsFormsHost. The expected behavior is that the WPF control should be rendered on top of WindowsFormsHost. Unfortunately, this is a limitation in the interop story, WindowsFormsHost elements are always drawn on top, and don't get affected by z-order. http://msdn.microsoft.com/en-us/library/ms742522.aspx Is there any workaround to solve this problem? Regards, Priya

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• JSF:Resourcebundle Problem with Internationalization

  - by Sven

  I implemented internationalization like in that tutorial! When I change the language in my app. It works. But only until the next request happens. Then language settings are reset to my standard language -.- What am I missing here: LanguageBean.java @ManagedBean(name="language") @SessionScoped public class LanguageBean implements Serializable{ private static final long serialVersionUID = 1L; private String localeCode; private static Map<String,Object> countries; static{ countries = new LinkedHashMap<String,Object>(); countries.put("Deutsch", Locale.GERMAN); //label, value countries.put("English", Locale.ENGLISH); } public Map<String, Object> getCountriesInMap() { return countries; } public String getLocaleCode() { return localeCode; } public void setLocaleCode(String localeCode) { this.localeCode = localeCode; } //value change event listener public void countryLocaleCodeChanged(ValueChangeEvent e){ String newLocaleValue = e.getNewValue().toString(); //loop country map to compare the locale code for (Map.Entry<String, Object> entry : countries.entrySet()) { if(entry.getValue().toString().equals(newLocaleValue)){ FacesContext.getCurrentInstance() .getViewRoot().setLocale((Locale)entry.getValue()); } } } } my facelets template: <h:selectOneMenu value="#{language.localeCode}" onchange="submit()" valueChangeListener="#{language.countryLocaleCodeChanged}"> <f:selectItems value="#{language.countriesInMap}" /> </h:selectOneMenu> faces-config: <application> <locale-config> <default-locale>de</default-locale> </locale-config> <resource-bundle> <base-name>org.dhbw.stg.wwi2008c.mopro.ui.text</base-name> <var>msg</var> </resource-bundle> </application>

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• Is it possible to use theme colors in Windows Forms apps?

  - by Yadyn

  I normally make use of System Colors whenever possible when designing Windows Forms applications just so that it'll fit in with the user's preferences. But is it possible to use Theme Colors? I realize that this limits you in several ways (must be running Windows that supports it and has the Themes service running), so I would certainly like it if it could fall back on some other default, but since I'm fairly sure 99% of my users will have it available, I'd like to make use of it if possible. Specifically, for newer Windows versions (Vista and 7), things like hyperlinks have a softer more pastel-ish blue. The old System Colors do not define anything for links and the like, and in general are much more limited (coming from the 95 days) in choices and variety. Though WPF probably has better support, I'm not at liberty to use it. If some third party utility, assembly, or the like is necessary, it would also need to be free to use. I don't need anything that fancy, but in a perfect world I would be able to do something like this: linkLabel1.LinkColor = System.Drawing.ThemeColors.Hyperlink; Am I stuck just using the default Blue (0,0,255) and having them look out of place in Vista and above? I'll even settle for ugly p/invoke interop methods if need be...

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• Why doesn't my cursor change to an Hourglass in my FindDialog in Delphi?

  - by lkessler

  I am simply opening my FindDialog with: FindDialog.Execute; In my FindDialog.OnFind event, I want to change the cursor to an hourglass for searches through large files, which may take a few seconds. So in the OnFind event I do this: Screen.Cursor := crHourglass; (code that searches for the text and displays it) ... Screen.Cursor := crDefault; What happens is while searching for the text, the cursor properly changes to the hourglass (or rotating circle in Vista) and then back to the pointer when the search is completed. However, this only happens on the main form. It does not happen on the FindDialog itself. The default cursor remains on the FindDialog during the search. While the search is happening if I move the cursor over the FindDialog it changes to the default, and if I move it off and over the main form it becomes the hourglass. This does not seem like what is supposed to happen. Am I doing something wrong or does something special need to be done to get the cursor to be the hourglass on all forms? For reference, I'm using Delphi 2009.

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• Rails deployment strategies with Bundler and JRuby

  - by brad

  I have a jruby rails app and I've just started using bundler for gem dependency management. I'm interested in hearing peoples' opinions on deployment strategies. The docs say that bundle package will package your gems locally so you don't have to fetch them on the server (and I believe warbler does this by default), but I personally think (for us) this is not the way to go as our deployed code (in our case a WAR file) becomes much larger. My preference would be to mimic our MVN setup which fetches all dependencies directly on the server AFTER the code has been copied there. Here's what I'm thinking, all comments are appreciated: Step1: Build war file, copy to server Step2: Unpack war on server, fetch java dependencies with mvn Step3: use Bundler to fetch Gem deps (Where should these be placed??) * Step 3 is the step I'm a bit unclear on. Do I run bundle install with a particular target in mind?? Step4: Restart Tomcat Again my reasoning here is that I'd like to keep the dependencies separate from the code at deploy time. I'd also like to place all gem dependencies in the app itself so they are contained, rather than installing them in the app user's home directory (as, again, I believe is the default for Bundler)

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• [ASP.NET MVC] Ajax.BeginForm doesn't work asynchronously

  - by Tony

  Hi, I've read the article http://davidhayden.com/blog/dave/archive/2009/05/19/ASPNETMVCAjaxBeginForm.aspx and now I have small problem with that code: <%using (Ajax.BeginForm("ChangeData", new AjaxOptions { UpdateTargetId = "myLabel" })) { %> <input id="mbutton" type="submit" value="blabla" /> <%} %> <label id="myLabel"></label> then, in the MyBookController.cs is the code to be invoked asynchronous: public ActionResult ChangeData() { return Content("OK"); } but, it doesn't work asynchronously, the compiler doesn't go inside that method

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• Custom Membership in ASP.NET MVC 2

  - by Interfector

  Hello, I'm trying to make my Custom Membership starting from ASP.NET's. I have a users table created by me which has as Primary Key a Guid UserId, exactly the sames as ASP.NET's default user and membership table. I have all the Foreign Key relationships built. However, I cannot insert the user into my custom users table. The data gets inserted correctly into the default ASP.NET's tables. I have tried the following scenarios: First version Receive the user model from POST call the CreateUser method of the Membership.class (stuff gets inserted) without modifying the user object, I try to insert it using EF's AddObject I receive the following error: "Cannot insert the value NULL into column 'LoweredUserName', table 'asp.dbo.aspnet_Users'; column does not allow nulls. INSERT fails.\r\nThe statement has been terminated."} System.Exception {System.Data.SqlClient.SqlException The error actually makes sense as EF's AddObject doesn't know how to create the LoweredUserName value, and I don't want to do it, this is ASP.NET's job. Second version Receive the user model from POST call the CreateUser method of the Membership.class (stuff gets inserted) Get the Guid of the freshly inserted system user get the ASP.NET's User object and overwrite that of user.User get the ASP.NET's Membership object and overwrite that of user.Membership (remember the FKs) try again EF's AddObject new error {"The relationship between the two objects cannot be defined because they are attached to different ObjectContext objects."} System.Exception {System.InvalidOperationException} Don't know what this is, but it certenly doesn't make any sense for me. After some googleing I think that it has something to do with the context, but as I'm a beginner I don't know how to fix it. Any ideeas on how to accomplish this task are more than welcomed, especially if they follow some good practices. Thx

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• Why do ASP.NET applications appear to be running in a terminal server session?

  - by Heinzi

  Running the following ASPX page (IIS 6, Server 2003 R2) <%@ Page Language="vb" AutoEventWireup="false" %> <% Response.Write("Am I running in a terminal server session: " & _ System.Windows.Forms.SystemInformation.TerminalServerSession) %> yields the following output: Am I running in a terminal server session: True Why? IIS is running as a service, not as a Terminal Services application... (BTW, according to Reflector, SystemInformation.TerminalServerSession is just a wrapper for GetSystemMetrics(SM_REMOTESESSION).)

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• .NET - How to debug a dll ?

  - by Amokrane

  Hi, I need to debug a class library project that is provided to the main project (an ASP .NET website) as a DLL. For example, I need to put some breakpoints in order to check what's happening during the execution. I tried this : http://msdn.microsoft.com/en-us/library/605a12zt.aspx, unfortunately it didn't work... Any idea? Thanks

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