The breakpoint will not currently be hit No symbols have been loaded for this document in a Silverlight application

Question

Ok  what I have    Visual Studio 2010 RC  W7 x64  started a new project type of Silverlight application  Hosting the Silverlight application in a ASP NET Web Application Project  Silverlight Version 3 0  Added a LinqToSQL Class  a WCF Service  a Winform Tester Application  Project in the Solution  and a few Classes  also as Projects in the Solution    Yesterday  suddenly I got the  The breakpoint will not currently be hit  No symbols have been loaded for this document   message to appear in the IDE  but it only affects the Web Appliaction  I can debug the Silverlight and the Winform App   What I tried   did to get rid of the message    Reset Visual Studio Settings removed all files in every  Temporary ASP NET Files Folder  there is one for each 32bit 64bit and for Framework 2 0 and 4 0  tried to debug using Visual Studio Integrated Web server - normally I use IIS  in the project output of the solution I deleted every obj and bin folders in every project folder created a new solution and added all the projects to this new solution deleted the solution suo file created a new ASP NET Web Application to test if it is a VS-installation issue    I can debug this new project solution rebooted the machine several times repaired the vs net installation did an IISReset removed the Web App from IIS used the Create Virtual Directory Button under Project Properties of the Web App to create a new Web App in IIS changed the Framework Version of every project from 3 5 to 4 0 Opened the Solution on my second machine    same behavior crawled Microsoft Connect for bugs   similar issues SPENT 7 HOURS     So  this happens the 2nd time in my life  last time I solved it by deleting Temporary ASP NET Files Folder  but this time I need your help

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Sometime right click breakpoint-- Location--  checking the allow the source code to be different from the original version works for me      EDIT   Sometimes rebuilding entire solution also works

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Try to set Silverlight Application Project as as a startup project  right click on project -   Set As Startup project  Then press F5 and see if you can catch breakpoints     Try to delete browsing temp data in your browser each time You make changes to silverlight application

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I had the same problem - lost lot s of time trying to get debugging working in Visual Studio   It ended up being Nuget - I had 3 versions of Newtonsoft Json  across 7 C  projects   The solution would compile but wasn t debuggable   I fixed the issue by running the following in Nuget s Package Manager Console   PM  Update-Package Newtonsoft Json

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The solutions to the same problem in my case was the following combination of steps    Solution --  Properties Select multiple startup projects select Start action on the projects you need to debug  Removed the service from Service References and clean up the solution  Rebuild the service project Added it back to the Service References Clean up the solution and rebuild it

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My problem was a  return  middle of the code  so after return breakepoint won t work

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I am using VS 2008 and I got this error   I tried everything else suggested here and on some other web sites but nothing worked   The solution was quite simple and there were two other solutions mentioned on this page that put me in the right area    Go to Project menu and click on Properties  you can also right click on the Project name in the Solution Explorer and select Properties     Select Compile tab on the left  In the  Build output path   textbox make sure it that you have  bin   in the textbox      In my situation it was pointing to another bin folder on the network and that is what caused the breakpoints to fail   You want it looking at your project s current Bin folder

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The reason for what you faced is that the PDBs   PDB stands for Program Database  a proprietary file format  developed by Microsoft  for storing debugging information about a program  are not up-to-date  this may be due to some reasons   1- As Bevan said  you may be debugging another application   2- You are debugging another version of the same application  For example  you attached a previously built application with the current version of the code for debugging without  re building it   Cleaning or Rebuilding the Solution solves such problems for me   To make sure the problem is not yours  try debugging the same application with VS 2008  I am afraid it may be a bug in VS 2010 -- it is still beta

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To fix this issue in Web config I just had to add debug  true      lt system web gt       lt compilation targetFramework  4 0  debug  true  gt    What helped me to find this solution has been looking at the Modules windows while debugging and saw that for my ASP NET DLLs loaded I had  Binary was not built with debug information

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By all means mark this down for not-being-an-answer  but this problem of breakpoints not being hit  for me  just fixed itself  After hours of deleting temp files  rebooting  reinstalling  arsing around with debug settings to no avail  it just suddenly started working  I was on the verge of insanity when  for no reason at all  we hit a breakpoint  Love inconsistent bugs  me

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If you are having problems with Silverlight projects the solution can be fairly simple  According to my experience in many cases debugging symbols are not being loaded due to the new   xap  files not being deployed to temporary folder  either internal VS Cassini or IIS Express   In this situation full rebuilds or resetting VS settings won t help  The easiest solution is just to delete temporary internet files within your browser  If you are using IE for Silverlight development and testing I would recommend switching on  Delete browsing history on exit  option in order not to have such issues in the future

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Debug -   Attach to process -  choose Debug these code types  option -  select Managed v3 5  v3 0  v2 0 or Managed v4 5  v4 0

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Okay- here we go    In a  silverlight app   please check first that silverlight is checked in  web  in your server project  properties - If that didnt solve it then try this beneath   On first time do  run this first  devenv exe  ResetSettings and 1  In top menu click on debug tag 2  click options and settings 3  In  debugging  and under  general  find  enable  net framework source stepping  4  Tick the box  5  And now all the symbols will be downloaded and reconfigured     If it happens again after the above just clear the folder where the symbols are   1  In top menu click on debug tag 2  click options and settings 3  In  debugging  and under  symbols  find the button  empty symbol cache  and click it

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One possible scenario is that if your ASP project is referencing some code in an Application rather than a dll  then the symbols won t be loaded   I had to change the referenced application to a Class Library temporarily while I debugged the code

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This is such a useful thread  a checklist of things to try for this pernicious problem  For me the one that worked was swapping to IE  It took me a while to realise as I was already using IE  I had the project s web properties set so that the start action was to start extenal program   C  Program Files  x86  Internet Explorer iexplore exe   with the command line arguments   http   localhost MyProject -private  I needed the -private flag to stop IE caching the swf I m working on  Switching back to  specific page  from  start external program  fixed the  no symbols have been loaded  problem for me

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I tried renaming the  pdb file in obj debug folder and did a clean solution and rebuild  It created a new  pdb file and I was able to hit breakpoints correctly

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I ve just resolved this issue according to Deploying Silverlight Applications   This answer is a duplicate of some others but I ll attempt to explain it more thoroughly    The problem is most likely that your Silverlight application is not being deployed properly to your web application on build   startup  This is a referencing problem - it s simple to understand but not obvious the first time you encounter it   Just like any other project reference  the referenced project s output should be copied to the referencing project s bin folder in order to debug  For class libraries this happens when you right click and select  Add Reference      For Silverlight  you should add a reference through Project Properties    Right click your project  and select  Properties  Select the  Silverlight Applications  tab on the left Press the  Add     button and select your Silverlight project from the dialogue box   This adds a reference to the Silverlight application from your hosting web app  and ensures that the xap file will be copied to the web app on build or deploy  That means that the current Silverlight app and its debug files are inside the application being debugged  and you ll be able to step through the code

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Goto Project Properties -  Build -  Advanced     In the  Output  section select  full  in Debug Info dropdown

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I took the easiest path  actually in my multiple projects solution  including one class library  I had an issue with a  dll file created by that class library project which was not allowing me to have breakpoints while executing  because it was not building for some reason  I separately build that project and referenced it s output  dll and now the breakpoints are functional  Not sure  maybe this helps you  if not you then someone new like me just because it worked for me

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The problem for me turned out to be that the Properties- Build- Optimize code checkbox had been turned on in the Debug configuration  Turned it off  rebuilt  and debugging worked as normal

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I had the same problem on Windows 7 and tried everything  cleaned DLLs  investigated modules  list  turned off  Just My Code   and so on   The problem was solved after I ve run Visual Studio  as administrator   Honestly  Why Microsoft couldn t just warn me that it s not running  as administrator   It would save me some hours of work

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Make sure you are running your program in DEBUG mode and not RELEASE mode

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I debug by attaching to IIS   I grabed the production web config for some new settings  and forgot to update the web config to enable debugging   Make sure the  element has the debug setting to to true   In other words    lt compilation defaultLanguage  c   debug  true  targetFramework  4 0  gt

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Please check the Web Properties of the web  Asp Net  project hosting your silverlight xap  Go to Web project Hosting your silverlight xap -  Properties -  Web -  Debuggers Section -  Make sure that silverlight checkbox is checked

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For my WPF app  I deleted the application folder  did  Get Latest  from source control again  and rebuilt  All breakpoints working great now

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This is a common problem if debug is being disabled by the application  and often ran into if you have multiple transforms on the web config    One way to solve this is to go to Build Configuration Manager and make sure the Debug configuration is set for start-up    Pretty common to go from testing one transform to another  and thus  losing ability to break at specific points

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I had a similar issue except my problem was silly - I had 2 instances of the built-in web server running under 2 different ports AND I had my project -  properties -  web -   Start URL  pointing to a fixed port but the web app was not actually running under that port  So my browser was being redirected to the  Start URL  which referred to 1539 but the code debug instance was running under port 50803   I changed the builtin web server to run under a fixed port and adjusted my  Start URL  to use that port as well  project -  properties -  web -   Servers  section  -   Use Visual Studio Development Server  -  specific port

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I had this problem  but in my case it was because of a delayed loading of the module I was trying to debug  I had a DLL linked to my main project and the DLL is what I was debugging  The DLL was only called when certain functions in the main application were called so VS2010 didn t load the module until those functions were called   When I started the project I recieved this message  but by the time I executed the function the debugger had loaded the module and the related debugging information   This thread helped me a lot  http   geekswithblogs net dbutscher archive 2007 06 26 113472 aspx

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I had the same problem but in VS2013 for a Web App   For me  the answer was to update the Build Configuration for the solution -   Right-click on the Solution and choose Properties Select the Debug configuration Select  Configuration  under  Configuration Properties  in the trivet Check on the  Build  box for each project you want to debug   Once I did this  all of my breakpoints started working

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I had to manually uninstall all instances of the  dll from the registry  and all instances of the  dll from my local drive   Uninstalled reinstalled my app and now im hitting breakpoints  Wasted a half a day doing this

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Whenever I ve had this particular error come up  it s turned out that the folder that Visual Studio is loading assemblies from is different from the folder the web-application is running from   That is  the application server is running the application from  C  dev MyApplication bin    but Visual studio is debugging from   C  dev MyOtherApplication bin  or something along those lines  anyway     Note - for various reasons  I do my debugging with IIS as the application host instead of the dinky standalone gizmo that most people use  This could influence the usefulness of my answer   Update   For IIS the application server directory  i e  C  dev MyApplication above  is the physical directory configured for the web application - this can be controlled by changing basic settings for the app   For Visual studio the debugging directory  i e  C  dev MyOtherApplication above  is the directory in which your svc files are found  usually the same directory as your csproj project file

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If you re debugging a web project  make sure the debug  true  attribute has been set in your web config file    lt system web gt       lt compilation debug  true         gt

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For those reading that are using Visual Studio 2008  not Visual Studio 2010 and are getting this error   The answers above did not help me in this situation  so I m sharing my experience  If you re debugging an IIS Web application in Visual Studio 2008 by attaching to the w3wp exe process rather than using the ASP NET Development Server for debugging  start with debugging   this might be your issue  Visual Studio might be still referencing a symbol file  file used during debugging  from your dll from an IIS process that is out of date   And that symbol file has been recreated by a  NET source code recompile but the IIS process is still referencing the old symbol file  To fix  Just stop debugging in Visual Studio  restart the web application  and re-attach to the process   Then the breakpoints should turn from yellow  when you see this error  to red again                           More things to try  found new situation today   Do each bullet in the link below ONE AT A TIME  but repeat my steps below with each one you try  http   carnotaurus philipcarney com post 4130422114 visual-studio-debugging-issue-with-files-of-the-same 1   Stop debugging  press red square icon  in Visual Studio 2   Clean Solution 3   Build Solution 4    INSERT BULLET INSTRUCTION HERE  5   Tools  gt  Attach to Process  or start with debugging  6   Start the program that you re attaching to  and run it such that your code will get hit  6 explained  If attaching to nunit exe  then open NUnit and run a test so your breakpoint will be hit If attaching to w3wp exe  IIS site   then open your site in the browser and go to the page that will hit your breakpoint EDIT  Today I noticed that if you try debugging on a project that is not set as the start-up project  it will show this   When you attach to your w3wp exe process  it thinks its debugging on the project that is set as the start-up project   To resolve  just right click the web application project  and choose  quot Set As Start Up Project quot    Then try re-attaching to your process

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For me the issue was that I had  Optimize code  enabled in the Build tab of my project s settings

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This answer is not specifically related to Silverlight but the general error  The breakpoint will not currently be hit  No symbols have been loaded for this document  A noob mistake is that the project is not set as debug in configuration manager  Worth a check

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What i did to fix this issue was in the page where my break-point was not hitting  i selected the folder   add an existing item and then select the item from its save path  This allowed the break point to start working

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The scenario is this  a particular project is your start up project  e g  has the Main method    That project is referencing other projects in your solution   Breakpoints in the other projects aren t getting hit   Quick solution  when you build your solution  look in the Build output path  usually bin Debug  for the start up project   Look at the DLL and PDB files for the projects you re referencing   Make sure their last modified date is the date you last built your solution   If they are not  then copy them from the Build output path for each project into your start up projects Build output path   For example   Project A has Main   It references Project B   Your breakpoints aren t being hit in Project B   Copy the DLL and PDB file from Project B s Build output path to Project A s Build output path   Then run your solution   The break point will now be hit   Now you need to figure out why Project A isn t copying over Project B s DLL and PDB file   The answers here cover most scenarios   One scenario not touched is making sure your projects and solution are binded to TFS properly   I had some projects binded and some not binded correctly   That caused the issue for me   Once I fixed that  the problem went away and I no longer had to copy over the DLL and PDB files

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I had this very issue when at a client where - for each application solution - they copied most shared assemblies to a  References  folder  then added them to the solution both as  Solution items  and as a  Project  within the solution   Not sure yet why  but some of them were debuggable  some not  even though in the References settings for the assemblies the correct full paths were specified   This unpredictable behaviour alomst drove me mad     I solved this by removing all the assemblies from the  References  folder for which there were projects with source code  and keeping very good track of version information for shared assemblies

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I had the same problem  I was debugging my project  and i had to right click the project and select  new debug instance    I only needed to do this once  then after that it worked as normal

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Open the Web Application url from the Browser  and then  in the VS Net IDE  use  Tools-- AttachtoProcess  then attach to aspnet wp exe   The Debugger will start working

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This error can also arise when remote debugging if you aren t debugging the most up to date executable  When you are remote debugging don t forget to move over new code to the remote machine after  re building on your local dev machine

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Delete the  xap file if your breakpoint aren t being hit  Inside YourProject Web ClientBin Delete YourProject xap  I ve have tried all above and stumble across this fix  works everytime   Wise to clean the project after deleting as well

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I tried lots of things   What worked for me  I made the Silverlight app the  Set as Startup Project  by right clicking on the project   Then I tried to run it  which obviously failed as it relied on RIA Services to a web server that was not running  And then I reset the Web project as the Startup Project    and hey presto    it is all working

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This is how I fixed my problem  after cloning into different repositories  for Visual Studio 2015   In Visual Studio    Click Tools- Options In the left pane  click Debugging- Symbols Click  Empty Symbol Cache

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This error crops up every now and then for me and I can always trace it back to project settings for the assembly concerned  You dont have to  wait  until your code fails to respect a break point or until you set the break point  to know which assemblies have symbols loaded    When you run a project in debug mode it will list in the Output window which assemblies have symbols loaded as below  You may need to open the image in a new tab   T    So in this case BASD Core Data dll does NOT have symbols loaded  So you can then compare the project settings for this assembly to that of another assembly that did manage to load symbols  in order to work out why some do and some don t load symbols     For me  however   every  time this happens it s because the Debug info is not being created  So i open Project Properties   Build   Advanced in a  C   project   So for Basd Core Data dll above i e  no symbols the advanced build settings were     Whereas for Basd Core Configuration dll i e  an assembly where I could set and hit a breakpoint the settings were     So I m outputting debug info in the latter project and not in the first  hence my ability to hit the break point in Basd Core Configuration dll  Also note that it s not enough to simply have a  pdb file in the bin folder of a project for a given  dll because it might well be out of date and therefore not picked up by Visual Studio as a valid symbol file for the  dll you re trying to step through   Also note that changing build configurations can change the build info settings and where symbols get pulled from     I realise in this case I m in Release mode but the method still applies

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I had the same problem  Following worked for me  Go to the web application -- gt  Properties -- gt  Silverlight Applications  If you don t see you Silverlight application in the list there then click Add and select your Silverlight Application from  Project  dropdown and Add it

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Right click on solution --  Properties  Look under Common Properties --  Startup Project  Select multiple startup projects  select Start action on the projects you need to debug

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I had the same issue and after googling I found two typical solutions for this    Make sure the Silverlight debugger is activated in the  Web project  Open up the project properties and select the Silverlight debugger under the  Web  tab  Restart Visual Studio and delete all bin and obj folders    But none of these worked for me  Then someone mentioned far down a thread to try using IE as the browser instead  This made debugging and breakpoints work again   Edit   Later I have struggled with IE9 not working  because it attaches to the wrong process  Instead of manually attaching to the correct IE process every time  I found a neat trick    Right-click one of the generated pages in the  Web project   html or  aspx  Click  Browse with     Set IE as default browser  will only affect Visual Studio s choice of browser    Now  Visual Studio will launch IE when running the  Web project and attach to the correct process  That should do it

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Had the same problem  For some reason  one of the DLLs was registered in the GAC  therefore it always had a different version than the code   Once I removed it from the GAC  problem was solved

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Another anecdote which might be useful-  I encountered this problem when one of my projects was using file references from a Release output folder   When the build results were placed in a Goods folder  these Release dlls were overwriting the Debug dlls    The solution was to make sure in the csproj file  my reference s HintPath was   lt HintPath gt       Core Goods   Configuration  MyFramework dll lt  HintPath gt   and not    lt HintPath gt       Core Goods Release MyFramework dll lt  HintPath gt

[c#] The breakpoint will not currently be hit. No symbols have been loaded for this document in a Silverlight application

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