.NET Tutorials, Forums, Interview Questions And Answers
Welcome :Guest
Sign In
Register
 
Win Surprise Gifts!!!
Congratulations!!!


Top 5 Contributors of the Month
MarieAdela
Imran Ghani
Post New Web Links

How to catch FileNotFoundException when missing one of referenced assemblies

Posted By:      Posted Date: October 25, 2010    Points: 0   Category :.NET Framework
 
Hi all,

I'm developing a simple application that references an 3rd party assembly.
In case this assembly isn't installed in GAC, I want to display my custom error message and close the application.

My problem is that FileNotFoundException is thrown before the Main function is called, so I can't handle this issue by the good way and windows Send/Don't Send dialog is displayed.

Is there any way to resolve this issue and programmatically close the application before FileNotFoundException is thrown?

Thanks,
Michael.




View Complete Post


More Related Resource Links

Microsoft.SqlServer.Dts and related assemblies to develop custom ssis task are missing

  
Hi All, I tried to develop a simple ssis task but the problem that I can't refer the necessary assemblies like Microsoft.SqlServer.Dts.Runtime And also Microsoft.SqlServer.DTSPipelineWrap Microsoft.Sqlserver.DTSRuntimeWrap Microsoft.Sqlserver.ManagedDTS Microsoft.SqlServer.PipelineHost What is certan that they aren't installed within the GAC in my case, so where could I find them? I have SQL server 2008 entrprise edition Other question, should I use Microsoft.SqlServer.Dts.Design and  Microsoft.SqlServer.ManagedDTS which are missed too, or they are part of the 2005 version only Thank you   The complexity resides in the simplicity

Problems with ASP.Net 2.0 missing all tags and assemblies

  

Out of nowhere I suddenly started seeing errors in Visual Studio 2005 SP1 while working on a asp.net v2.0 site.  It almost seems like it's missing .Net but as I said, this came out of nowhere with no known new software or changes made to the systems in question.  I have a Windows 2003 SP2 x86 box that is experiencing this and I have a Windows XP SP3 x86 box with the same problems.  Oddly enough the same exact project on my Windows 7 x64 workstation, my Windows 7 x64 laptop, or my other Windows 7 x86 workstation have absolutely no problems with the same exact site!  I've tried copying the site files over again and again thinking it was something in the web.config but all of the same references and assemblies are listed.

While editing an aspx page I see tons of errors like these:
ASP.NET tags: Could not find System.Web.UI.HtmlControls namespace. Are you missing an assembly reference?
ASP.NET tags: ASP.net tag asp:Image not registered
ASP.Net tags: ASP.net tag asp:contentplaceholder not registered

 

While editing a .vb file I get all kinds of errors where it seems like it's missing just about everything

Problems with ASP.Net 2.0 missing all tags and assemblies

  

Out of nowhere I suddenly started seeing errors in Visual Studio 2005 SP1 while working on a asp.net v2.0 site.  It almost seems like it's missing .Net but as I said, this came out of nowhere with no known new software or changes made to the systems in question.  I have a Windows 2003 SP2 x86 box that is experiencing this and I have a Windows XP SP3 x86 box with the same problems.  Oddly enough the same exact project on my Windows 7 x64 workstation, my Windows 7 x64 laptop, or my other Windows 7 x86 workstation have absolutely no problems with the same exact site!  I've tried copying the site files over again and again thinking it was something in the web.config but all of the same references and assemblies are listed.

While editing an aspx page I see tons of errors like these:
ASP.NET tags: Could not find System.Web.UI.HtmlControls namespace. Are you missing an assembly reference?
ASP.NET tags: ASP.net tag asp:Image not registered
ASP.Net tags: ASP.net tag asp:contentplaceholder not registered

 

While editing a .vb file I get all kinds of errors where it seems like it's missing just

Missing DomainServices assemblies

  
After installing the VS 2010 Prof and WCF RIA Services Toolkit, I am missing the following assemblies:

System.ServiceModel.DomainServices.Hosting
System.ServiceModel.DomainServices.Server
    
What install provides these?

Content Query Web Part missing in SharePoint 2010

  
If you don't see content query web part listed in the web parts list, this is because you have not enabled "Search Server Web Parts" feature in site collection features. Enable this feature and content query web part will show in the list of web parts.

SQL Server 2005 Try and Catch Exception Handling

  
I'm pretty excited to see that there is some real error handling for T-SQL code in SQL Server 2005. It's pretty painful to have your wonderfully architected .NET solution tainted by less-than-VBScript error handling for stored procedures in the database. The big difference being the addition of TRY..CATCH blocks. Let's take a look:

Missing 'new item templates'

  

 Hi all,

          I am a 'newbie' to VWD and I am slowly working through the Basic Walkthrough Help files, and learning plenty along the way.

However, when I tried to create a new database in the LINQ control walkthrough I found that the option to create a new database is missing, and further investigation has found that many other new item templates are missing.

I am using a brand new machine with Windows 7 Ultimate and have enabled IIS and .NET from Control Panel-Programs-Turn Windows Features On-Off. I used the WPI to install all basic elements eg. IIS Components, SQL Server Express.

The only 'new item templates' I have when I right-click the App_Data Folder and choose 'new item' are:-

ADO.NET Data Service

AJAX Enabled WCF Service

Dynamic Data Field

SQL Server Database

Text File

XML File

Does anyone know where I have gone wrong.

 

Michael J. Hill


reader.getordinal("column_may_not_exist") how to catch the exception?

  

hi,

would any body please help me to catch the exception if the column doesnot exist as my table columns are not static.

sometimes its throwing me indexoutofrange exception as the column doesnot exist

thanks for the help guys


The type 'System.Data.Linq.DataContext' is defined in an assembly that is not referenced. You must

  

Hi,

This is frustrating, and I don't know how to solve it.

I have a strange problem. I am adding a LinqDatasource object, and set the context:

        protected void LinqDataSource_ContextCreating(object sender, LinqDataSourceContextEventArgs e)
        {
            e.ObjectInstance = new KaruselaDataContext(ConfigurationManager.ConnectionStrings["ConnectionString"].ConnectionString);
        }


Then I get this error:
The type 'System.Data.Linq.DataContext' is defined in an assembly that is not referenced. You must add a reference to assembly 'System.Data.Linq, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089'.

 

On web.config I already have this:
<add assembly="System.Data.Linq, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"/>

NOTE: The datacontext is in a different project (DLL proect) where I added a refernce to System.Data.Linq.

is there another way adding a refernce to a web project? or only though teh web.config?

Thanks.


Basic Instincts: Naming and Building Assemblies in Visual Basic .NET

  

Learn what the different parts of an assembly name mean, how to create a stronly named assembly, and get other assembly security tips.

Ted Pattison

MSDN Magazine August 2003


ERROR [S1000] [Microsoft][ODBC Visual FoxPro Driver]Function name is missing ).

  

I Am Continiously Getting Error For Following Line Of Code, It Work  Fine In Other Database

Am I Doing Any Mistake

if (sh3itno != "" && dpsh3no != "")
            {
                string queryy = "SELECT [CHEQNO] FROM [SH3MAST] WHERE (([CHEQDATE] = " + chqdate + ") AND ([FAVOUR] = " + favour + ") AND ([CHQTYPE] = " + ctype + ") AND ([TRSTN] = " + trstn + ") AND ([TRBANK] = " + trbank + ") AND ([SH3ITNO] = " + sh3itno + ") AND ([DPSH3NO] = " + dpsh3no + "))";
                OdbcCommand cmd3 = new OdbcCommand(queryy, connen1);
                connen1.Open();
                string chqno =cmd3.ExecuteScalar().ToString(); (Here Iam Getting Error)
                tbl.Rows[i]["cheque no"] = chqno;
                connen1.Close();
            }
 
 
Stack Trace: 


[OdbcException (0x80131937): ERROR [S1000] [Microsoft][ODBC Visual FoxPro Driver]Function name is missing ).]
   System.Data.Odbc.OdbcConnection.HandleError(OdbcHandle hrHandle, RetCode retcode) +39
   System.Data.Odbc.OdbcCommand.ExecuteReaderObject(CommandBehavior behavior, Strin

All my server-controls became unrecognized!!! like there's compilation error or web.config missing!

  

hi!

please help - the problem is in post subject.

I have lots of warnings with following text:

"Warning 10 Element 'HyperLink' is not a known element. This can occur if there is a compilation error in the Web site, or the web.config file is missing. C:\Users\Pavel\Documents\Visual Studio 2010\WebSites\BioWebSite\ToScientist.aspx 26 18 C:\...\BioWebSite\" 

But web.confg is there! And there's no compilation error!

Site builds just fine. And If I upload it to my hoster - it works!

 

But with all these errors I cant add controls to pages - VS2010 adds hyperlink without ID, and intelisens stoped to work.

Strange, but in my other project (web-application) I have no such difficuty.


Apparently missing something in my understanding of session handler...

  

 It was doing exactly what I expected until I added more than 1 property to it.   It seems if I set the value of a property this, in turn, sets every property in the handler to the same value.  It's blatantly obvious I didn't have the understanding I thought I did on this.  :-)

Could someone point out what I'm missing?  I figured it had something to do with the "shared" but if it's not shared then I would have to declare an instance on my page which would kinda ruin the state of my variables (otherwise, I'd just put them all in my class), right??

Private Shared _strStudentName As String
Private Shared _strSchoolID As String


    Public Shared Property StudentName() As String

        Get

            If (HttpContext.Current.Session(SessionHandler._strStudentName) Is Nothing) Then
                Return String.Empty
            Else
                Return HttpContext.Current.Session(SessionHandler._strStudentName).ToString()
            End If

        End Get

        Set(ByVal value As String)
            HttpContext.Current.Session(SessionHandler._strStudentName) = value
        End Set

    End Property



    Public Shared Property SchoolID() As String

        Get

            If (HttpContext.Current.Session(SessionHandler._strSchoo

Syntax error (missing operator) in query expression

  
Good Day Gurus!

I have a Excel user application which has a user form (named 'Registo') that displays criteria and an image that has been entered in it's corresponding spreadsheet. This works the way it should.  There's also the ability to search the spreadsheet via a form (by clicking 'Pesquisar' button) this opens a search form. However, I having a bit of a problem with it. When I try to search for something it basically doesn't do anything at all. It just sits there. So I tried to debug it and I think I'm having a problem with either the JET db engine or somethign with teh query or maybe I don't have the correct reference.

I 'borrowed' this Excel application from another forum because it's exactly what I'm looking for! However, I suck at vb.

So I was hoping somebody could take a look at the code and see if I'm missing something?  I'm kinda' desparate to get this working because I'm been trying to figure it out for days and I'm running out of time.  Cry
 
Option Explicit

'constantes para auxiliar na verificação do código
Private Const Ascendente As Byte = 0

How to CATCH "Invalid postback or callback argument" exception?

  

Hi,

How can I catch this exception? I do not want it to stop my page execution. Can/Should I do that?

Server Error in '/' Application.
________________________________________
Invalid postback or callback argument.  Event validation is enabled using <pages enableEventValidation="true"/> in configuration or <%@ Page EnableEventValidation="true" %> in a page.  For security purposes, this feature verifies that arguments to postback or callback events originate from the server control that originally rendered them.  If the data is valid and expected, use the ClientScriptManager.RegisterForEventValidation method in order to register the postback or callback data for validation.
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.ArgumentException: Invalid postback or callback argument.  Event validation is enabled using <pages enableEventValidation="true"/> in configuration or <%@ Page EnableEventValidation="true" %> in a page.  For security purposes, this feature verifies that arguments to postback or callback events originate from the server control that originally

Categories: 
ASP.NetWindows Application  .NET Framework  C#  VB.Net  ADO.Net  
Sql Server  SharePoint  Silverlight  Others  All   

Hall of Fame    Twitter   Terms of Service    Privacy Policy    Contact Us    Archives   Tell A Friend