"External component has thrown an exception" - ASP.NET Bug?

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  • =?Utf-8?B?U0g=?=
    #1

    "External component has thrown an exception" - ASP.NET Bug?

    There seems to be an issue with .NET 3.5/Visual Studio 2008 (Team System).

    After convincing my company to create our latest project in .NET 3.5, this
    is kind of reflecting bad on me.

    Problem:

    Solution will NOT compile. Error is simply: "External component has thrown
    an exception". NO other details.

    What started the problem?:

    I created a content page and put it in a subdirectory. If I remove this
    content page the problem dissapears.

    Workaround:

    If I right click on the content page -click build page -then compile the
    solution then this works fine. Obviously this is not desirable, especially
    with automated deployments.



    Win2k3, MS VS.NET 2008 TFS, .NET 3.5, Simple ASP.NET Web Application.


    ANY help would be appreciated.
    Tags: None
    • Eliyahu Goldin
      #2
      Re: "Extern al component has thrown an exception" - ASP.NET Bug?

      If you google for "External component has thrown an exception" (don't skip
      the quotes) you will find quite a number of discussions on this problem. You
      need either clean up the project by deleting all temporary fields, removing
      the last installed component etc. or check carefully your web.config,
      project references, control registration directives to see if everything is
      there and is consistent. Do both: cleanup and checkup.


      --
      Eliyahu Goldin,
      Software Developer
      Microsoft MVP [ASP.NET]
      http://msmvps.com/blogs/egoldin

      http://usableasp.net



      "SH" <SH@discussions .microsoft.comw rote in message
      news:7D34EC0F-D79C-4310-A144-CCDDEF00D8A0@mi crosoft.com...
      There seems to be an issue with .NET 3.5/Visual Studio 2008 (Team System).
      >
      After convincing my company to create our latest project in .NET 3.5, this
      is kind of reflecting bad on me.
      >
      Problem:
      >
      Solution will NOT compile. Error is simply: "External component has thrown
      an exception". NO other details.
      >
      What started the problem?:
      >
      I created a content page and put it in a subdirectory. If I remove this
      content page the problem dissapears.
      >
      Workaround:
      >
      If I right click on the content page -click build page -then compile
      the
      solution then this works fine. Obviously this is not desirable, especially
      with automated deployments.
      >
      >
      >
      Win2k3, MS VS.NET 2008 TFS, .NET 3.5, Simple ASP.NET Web Application.
      >
      >
      ANY help would be appreciated.

        Comment

        • =?Utf-8?B?U0g=?=
          #3
          Re: &quot;Extern al component has thrown an exception&quot; - ASP.NET Bug?

          Thanks for the reply. I've done many a search for "external comp....".

          * What do you mean by deleting temporary fields? Do you mean files?

          The one thing that I thought it might have been is the control references,
          since I did create a user control, but then delete it after. There is no
          trace of this user control in the master page of content pages. Where else
          could metadata around this be lurking?

          "Eliyahu Goldin" wrote:
          If you google for "External component has thrown an exception" (don't skip
          the quotes) you will find quite a number of discussions on this problem. You
          need either clean up the project by deleting all temporary fields, removing
          the last installed component etc. or check carefully your web.config,
          project references, control registration directives to see if everything is
          there and is consistent. Do both: cleanup and checkup.
          >
          >
          --
          Eliyahu Goldin,
          Software Developer
          Microsoft MVP [ASP.NET]
          http://msmvps.com/blogs/egoldin

          http://usableasp.net

          >
          >
          "SH" <SH@discussions .microsoft.comw rote in message
          news:7D34EC0F-D79C-4310-A144-CCDDEF00D8A0@mi crosoft.com...
          There seems to be an issue with .NET 3.5/Visual Studio 2008 (Team System).

          After convincing my company to create our latest project in .NET 3.5, this
          is kind of reflecting bad on me.

          Problem:

          Solution will NOT compile. Error is simply: "External component has thrown
          an exception". NO other details.

          What started the problem?:

          I created a content page and put it in a subdirectory. If I remove this
          content page the problem dissapears.

          Workaround:

          If I right click on the content page -click build page -then compile
          the
          solution then this works fine. Obviously this is not desirable, especially
          with automated deployments.



          Win2k3, MS VS.NET 2008 TFS, .NET 3.5, Simple ASP.NET Web Application.


          ANY help would be appreciated.
          >
          >
          >

            Comment

            • =?Utf-8?B?U0g=?=
              #4
              Re: &quot;Extern al component has thrown an exception&quot; - ASP.NET Bug?

              I think I've fixed it.

              I created a new ASCX (just add new item from VS 2008 TFS). The control was
              empty, completely default ASCX. anyway, I deleted it and the problem went
              away. I definately put this down to a bug in the VS 2008 IDE more than
              anything else.

              I hope it doesn't come back! Thanks for your help

              SH.

              "SH" wrote:
              Thanks for the reply. I've done many a search for "external comp....".
              >
              * What do you mean by deleting temporary fields? Do you mean files?
              >
              The one thing that I thought it might have been is the control references,
              since I did create a user control, but then delete it after. There is no
              trace of this user control in the master page of content pages. Where else
              could metadata around this be lurking?
              >
              "Eliyahu Goldin" wrote:
              >
              If you google for "External component has thrown an exception" (don't skip
              the quotes) you will find quite a number of discussions on this problem. You
              need either clean up the project by deleting all temporary fields, removing
              the last installed component etc. or check carefully your web.config,
              project references, control registration directives to see if everything is
              there and is consistent. Do both: cleanup and checkup.


              --
              Eliyahu Goldin,
              Software Developer
              Microsoft MVP [ASP.NET]
              http://msmvps.com/blogs/egoldin

              http://usableasp.net



              "SH" <SH@discussions .microsoft.comw rote in message
              news:7D34EC0F-D79C-4310-A144-CCDDEF00D8A0@mi crosoft.com...
              There seems to be an issue with .NET 3.5/Visual Studio 2008 (Team System).
              >
              After convincing my company to create our latest project in .NET 3.5, this
              is kind of reflecting bad on me.
              >
              Problem:
              >
              Solution will NOT compile. Error is simply: "External component has thrown
              an exception". NO other details.
              >
              What started the problem?:
              >
              I created a content page and put it in a subdirectory. If I remove this
              content page the problem dissapears.
              >
              Workaround:
              >
              If I right click on the content page -click build page -then compile
              the
              solution then this works fine. Obviously this is not desirable, especially
              with automated deployments.
              >
              >
              >
              Win2k3, MS VS.NET 2008 TFS, .NET 3.5, Simple ASP.NET Web Application.
              >
              >
              ANY help would be appreciated.

                Comment

                • Eliyahu Goldin
                  #5
                  Re: &quot;Extern al component has thrown an exception&quot; - ASP.NET Bug?

                  Good.

                  Yes, I meant temporary files, sorry.

                  VS 2008 is a vary large product. It is easy to understand that optimizing
                  performance while providing tremendously rich functionality may cause
                  integrity issues. Cleaning up is the major troubleshooting technique here.

                  --
                  Eliyahu Goldin,
                  Software Developer
                  Microsoft MVP [ASP.NET]
                  http://msmvps.com/blogs/egoldin

                  http://usableasp.net



                  "SH" <SH@discussions .microsoft.comw rote in message
                  news:DE2D9B32-D578-4825-9EE2-565769ED0A62@mi crosoft.com...
                  >I think I've fixed it.
                  >
                  I created a new ASCX (just add new item from VS 2008 TFS). The control was
                  empty, completely default ASCX. anyway, I deleted it and the problem went
                  away. I definately put this down to a bug in the VS 2008 IDE more than
                  anything else.
                  >
                  I hope it doesn't come back! Thanks for your help
                  >
                  SH.
                  >
                  "SH" wrote:
                  >
                  >Thanks for the reply. I've done many a search for "external comp....".
                  >>
                  >* What do you mean by deleting temporary fields? Do you mean files?
                  >>
                  >The one thing that I thought it might have been is the control
                  >references,
                  >since I did create a user control, but then delete it after. There is no
                  >trace of this user control in the master page of content pages. Where
                  >else
                  >could metadata around this be lurking?
                  >>
                  >"Eliyahu Goldin" wrote:
                  >>
                  If you google for "External component has thrown an exception" (don't
                  skip
                  the quotes) you will find quite a number of discussions on this
                  problem. You
                  need either clean up the project by deleting all temporary fields,
                  removing
                  the last installed component etc. or check carefully your web.config,
                  project references, control registration directives to see if
                  everything is
                  there and is consistent. Do both: cleanup and checkup.
                  >
                  >
                  --
                  Eliyahu Goldin,
                  Software Developer
                  Microsoft MVP [ASP.NET]
                  http://msmvps.com/blogs/egoldin

                  http://usableasp.net

                  >
                  >
                  "SH" <SH@discussions .microsoft.comw rote in message
                  news:7D34EC0F-D79C-4310-A144-CCDDEF00D8A0@mi crosoft.com...
                  There seems to be an issue with .NET 3.5/Visual Studio 2008 (Team
                  System).
                  >
                  After convincing my company to create our latest project in .NET 3.5,
                  this
                  is kind of reflecting bad on me.
                  >
                  Problem:
                  >
                  Solution will NOT compile. Error is simply: "External component has
                  thrown
                  an exception". NO other details.
                  >
                  What started the problem?:
                  >
                  I created a content page and put it in a subdirectory. If I remove
                  this
                  content page the problem dissapears.
                  >
                  Workaround:
                  >
                  If I right click on the content page -click build page -then
                  compile
                  the
                  solution then this works fine. Obviously this is not desirable,
                  especially
                  with automated deployments.
                  >
                  >
                  >
                  Win2k3, MS VS.NET 2008 TFS, .NET 3.5, Simple ASP.NET Web Application.
                  >
                  >
                  ANY help would be appreciated.
                  >
                  >
                  >

                    Comment

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