COM Assembly MS Access And Using DoCmd In .NET?

Oct 10, 2011

I agreed to trade some code with my wife (her SQL for my .NET), but I am running to an issue on my side. I have taken some old vb that she is needing converted to .NET and made it work, but there are two lines of code:


I have found out that these are objects related to using Access, but i can't figure out how to use them in .NET. It seems that, in the original code, they are used without instantiation, but I get the "Reference to a non-shared member requires an object reference" on those two lines of code. I have never worked with Access before, but it seems like it would be a simple fix if I just knew exactly what was having its warnings enabled/disabled.


Change Tablename In Docmd.Transferspreadsheet In Access VBA?

Jun 12, 2012

Process: I have the below code which gets the base SQL statement and defines the working query. Based on this it then generates & exports Excel spreadsheet into a defined folder (wkfolder).

Objective: The exported workbook name is fine but the sheet-name comes up as "RunReport". I wish to change the sheetname to "UpdateData".[code]...

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IDE :: DoCmd.TransferText Method?

Dec 1, 2009

I  am using ms-access 2002.   I have to export the data of a ms-access table in Fixed Width format.To accomplish this I am using  DoCmd.TransferText method. DoCmd.TransferText acExportFixed, "schema.ini", "table_ABC", "C: estingTestData.txt"But I am getting error message: "Run time error-3625 The text file specification 'schema.ini' does not exist.You cannot import, export, or link using the specification."Here schema.ini is at same location as  of  text file. i.e.  "C: esting"  I tried with DoCmd.TransferText acExportFixed, "C: estingschema.ini", "table_ABC", C: estingTestData.txt"

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Create PDF Using DoCmd.Outputto Method In Legal Size Page?

Sep 30, 2011

I am using the following command "DoCmd.Outputto acOutputReport, Report Name, acFormatPDF, FileName".The report I am using legal as the page size. When the PDF is created in is created using letter size pages and the buttom of each page is cut off. I would like to find out why this is happening.Bob Gouveia

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Dec 19, 2010

getting a DoCmd.RunMacro method for running macros inside EXCEL and Word?

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Apr 12, 2010

I want to create a project that I will use to only hold image and string resources that I will need in multiple projects.What I can't figure out is how do I access these resources using code from other projects.

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Returning Object From COM Assembly Into VBA (Access)?

Mar 15, 2011

I have an assembly in VB .NET 2.0 that I am trying to use to call a webservice.This will be COM visible, and return the results to Access in VBA.The .NET Assembly passes all tests and executes perfectly.I was experiencing "Object does not support this property or method" errors when calling the methods from VBA.I broke it down to a certain object that was being returned and added some test methods to the .NET DLL.There is a "Patient" object I want to return.It looks like this (made it very very simple to test it):

Option Strict On
Option Explicit On
<ComClass(Patient.ClassId, Patient.InterfaceId, Patient.EventsId)> _


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Gac - Installed To With Gacutil Mytext.dll Assembly - But Can't Access It Or Reference It

Mar 3, 2009

How to I reference my own .dll after i add it to the GAC? I successfully added my .dll to the GAC, have seen it in the list. However, when i try to reference in Visual Studios..... i am lost.

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Error: Could Not Load File Or Assembly Or One Of Its Dependencies. Access Is Denied

Mar 20, 2007

I cannot figure out how to get past this error. I have 1) Given the user "everyone" access to the entire directory that this dll is contained in 2) Deleted the dll and rebuilt the project 3) Deleted the Temporary ASP.NET files in the Windows Directory 4) Restarted IIS 5) Tried to change to a different user in IIS security including trying ASPNET. we are not using windows authentication. 6) Even copied that dll from other machines.

Here's the error. I have no clue at this point if it's code missing inside it or something else wrong with it or my setup. Other people on my team are using this dll ok. Could not load file or assembly 'Anthem' or one of its dependencies. Access is denied.

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. IO.FileLoadException: Could not load file or assembly 'Anthem' or one of its dependencies. Access is denied. [Code]

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Dec 28, 2005

When running setup to install published program, the following message occurs: System Update Required: Unable to install or run the applicaiton.  The application requires that asssembly CrystalDecisions.CrystalReports.Engine Version 10.2.3600.0 be install in the Global Assembly Cache (GAC) first.  This version is listed in the references of the program and in my mind, be included in build.  How do I get by this error?

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Published Setup Requires Assembly CrystalReports 10.2.3600.0 In Global Assembly Cache?

Apr 18, 2012

When running setup to install published program, the following message occurs: System Update Required: Unable to install or run the applicaiton.  The application requires that asssembly CrystalDecisions.CrystalReports.Engine Version 10.2.3600.0 be install in the Global Assembly Cache (GAC) first.  This version is listed in the references of the program and in my mind, be included in build. How do I get by this error?

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VS 2008 Unable To Emit Assembly: Referenced Assembly AxInterop.MSFlexGridLib Does Not Have A Strong Name

Dec 4, 2009

I have recently upgraded an VB6 project to vs2008. I was almost finished when the following error occured. Unable to emit assembly: Referenced assembly AxInterop.MSFlexGridLib does not have a strong name Prior to this error appering, I tested my app several times and it was fine. Only after publishing it did the error appear. I have tried all solutions I could find, but nothing helps. I have read [URL]

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Unable To Load Assembly Ensure That The File Is A Valid .net Framwork Assembly?

Jun 17, 2009

I receive this error as "Assembly Load Error" whenever adding a form or other object that has to be inherited. 

"Unable to load assembly. Ensure that the file is a valid .net Framwork assembly"

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C# - Loading An Assembly Using Assembly.LoadFrom() As The Assemblies Are Located In A Different Path?

Apr 2, 2012

I am loading an Assembly using Assembly.LoadFrom() as the assemblies are located in a different path from Application Base directory.

Dim oAssembly As Assembly = _
Assembly.LoadFrom("C:\MyFolder\" + ddlXlate.SelectedItem.ToString() + ".dll")

And I consume a Type from that assembly without any problem:

oXML = CType(oAssembly.CreateInstance(sBaseType + ".XlateContainer"), _

However, the problem occurs when I try to use a Type from this assembly from within another method like the one below:

oComboBox.DataSource = _
[Enum].GetValues(Type.GetType(sType + "+ItemEnum," + sAssemblyName))

sAssemblyName is the one I loaded using LoadFrom() actually. After it said it cannot find the assembly, I used AssemblyResolve event which solved my problem :Subscribing AssemblyResolve event :

AddHandler AppDomain.CurrentDomain.AssemblyResolve, _
AddressOf MyResolveEventHandler

Event Handler Method:

Private Shared Function MyResolveEventHandler(ByVal sender As Object, _
ByVal args As ResolveEventArgs) As Assembly
Return Assembly.LoadFrom("C:\PSIOBJ\" + args.Name + ".dll")
End Function

And I thought maybe the error occurs because it cannot find a dependent assembly defined in assembly manifest file I loaded using LoadFrom() already but when I checked the args.Name, I saw it was trying to load same assembly and after that it worked without any problem. So basically a type in the loaded assembly cannot be found before the event adding change.

My old code was using AppDomain.CurrentDomain.Load() and Assembly.Load() methods and they were working fine without the AssemblyResolve event. I was able to reach types in dynamically loaded Assembly from every where within the same AppDomain.

LoadFrom() can find dependencies automatically within the same requested assembly path and that couldn't be problem as everything this dll needs was there. So at first it looked like a AppDomain problem to me as it looks like it seems it can reach assemblies from Load context instead of LoadFrom context and I am now using LoadFrom context.But now it seems I should pass oAssembly instance evertwhere to use any type from the loaded assembly?Doesn't it load the assembly where I can reach it everywhere (same AppDomain) using simple Type.GetType(...) method?

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Jun 1, 2011

I'm wanting to include a system tray icon in my WPF project, and found this resource:[URL]..which looks like it will work beautifully, but it's written for C# and I'm using for this project. I downloaded his project and built the notifyicon as a DLL, then added as a reference to my project.

It throws up an error: Unable to emit assembly: Referenced assembly 'Hardcodet.Wpf.TaskbarNotification' does not have a strong name So I'm trying to figure out the best way to proceed. Do I need to strong name it, or is there a better way to do this?

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Oct 9, 2008

I've got an exception when I deployed my application: "the located assembly's manifest does not match the assembly reference" What I remember is changing the project name from the previous source code, does it affect that much?

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Jun 25, 2012

I have created several DLL (.NET) libraries that are used in several projects. In these DLL libraries I want to know/retrieve which assembly (EXE) calls/uses the library, so if possible I want to know info like assembly name (EXE), strong name, version number, etc.

NB: Examples may be in C# or VB. I use both languages.

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Deployment :: Referencing Assembly From Another COM Enabled Assembly?

Apr 7, 2009

I have written a .net assembly which plugs into to a third party COM application. The .net assembly is COM visible to the third party application. However this .net assembly references other regular assemblies. If I put these assemblies in the GAC the COM visibile assembly sees them without a problem. However for various reasons I do not want to put them into the GAC but I cannot get my COM visible assembly to see the other assemblies when they are in other locations. I have tried putting them in the same directory as the COM visible assembly. I have tried putting them in the same directory as the third party app's exe but neither of these work.

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Could Not Load File Or Assembly"project Name" Or One Of Its Dependencies.the Module Was Expected To Contain An Assembly Manifest

May 31, 2009

When ever I finish simple programs no matter what it is and i click to debug it it comes up"Error while trying to run project:could not load file or assembly"project name" or one of its dependencies.the module was expected to contain an assembly manifest"

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.net - Compilling Assembly From The Other Just Compilled Assembly?

Apr 21, 2011

sorry for my English, I don't speek well... I need to compile assembly in memory, that can compile another one. There is a form with one button. Here is a code of the form

Imports System
Imports System.Threading
Imports System.CodeDom
Imports System.CodeDom.Compiler
Imports System.Collections


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C# - Check If An Assembly Is A Framework Assembly?

Jan 14, 2010

Since, it's possible for anyone to name an assembly starting with 'System', checking for 'System' is not a satisfactory solution.

Alternatively, if that's not possible, how about checking the modules in an assembly?

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Jun 20, 2010

I am building a dll-Assemby A which references another Assembly B. Assembly B is strongly named and installed in the GAC of my development computer. An other computer will not have assembly B installed in the GAC.

Question: If i handle strongly named assembly B like a private assembly and copying it into the bin-directory by specifying local copy = true in the properties-window, will the programm run on the other computer?

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"System.IO.FileNotFoundException: Could Not Load File Or Assembly" When The Assembly Does In Fact Exist?

Oct 8, 2009

One of them is giving us trouble in only 1 spot out of the 4 spots we use it at:The trouble spot is a windows form project that uses reflection to dynamically load some DLLs that run long running processes. One of these long running processes is an agent that relies on one of our vender DLLsWe're getting the missing assembly exception at the point where we first enter a function that references the library. I already checked the silly things such as if we had forgotten to move a reference from the old version to the new version, but that's not the case. I also checked the bin directory of the project and the assembly is there.

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Write A Unit Test Assembly In C# To Test Against An Assembly Written In VB?

Sep 20, 2011

Probably a dumb question, but can you write a unit test project in one language to test against another project in a different language?I'd like to translate one of our VB assemblies into C#, but want to build unit tests to verify the results. I've tried to set a unit test project up to do this, but I can't seem to access the VB code within a unit test... I can't figure out if I'm just missing/doing something stupid, or it really isn't allowed.

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Difference Between [Assembly] & Assembly?

Feb 26, 2011

What does [String] mean in VB.NET?

Dim assem As [Assembly] = [Assembly].GetExecutingAssembly()
Dim assem As Assembly = Assembly.GetExecutingAssembly()

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Running Access - Application That Has An Ms Access 2007 DataBase Which Runns Great If Access Is Installed

Oct 15, 2011

I have an application that has an Ms Access 2007 DataBase which runns great if access is installed. Is there any code that I can use in vb that I would be able to run access with out installing it.

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Jun 12, 2011

I have a project, we will call it Asynchronous UPC Scanner (AUS for short). I saved the project with the name of "Asynchronous UPC Scanner" but changed the assembly name and project name to AUS.When I build the exe and run it, the program does nothing but use up 30k memory and they throws an "Failed to initalize..." error. The really weird this is if I change the name of the program to "Asynchronous UPC Scanner" the exe works with no what is up with that?!

EDIT: OK it seems if I name it anything other that AUS, it works it possible there is another assembly registered with the same name?

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Mar 30, 2010

I assume because the CLR this wouldn't be an issue?

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Apr 6, 2010

I have 2 dll files from a third party, and they have the same name (v7 and v8). My program needs to be able to use both of these dll's (meaning wether the enduser has a lisence for v7 or v8 of the thirdparty dll, they can still use the program). But I am stopped from referencing both of them as they have the same name. How do I resolve this? Searched the web and found info about sn.exe and strong names, but can't find a good explanation of how this works. Anyone?

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Jul 21, 2009

I have a file name, like "Foo.dll," for a library that I know is in the bin directory. I want to create an Assembly object for it. I'm trying to instantiate this object from a class that's not a page, so I don't have the Request object to get the path. How do I get the path I need to use Assembly.Load()?

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Oct 28, 2010

I am using this code, I got it to work fine with any C# assembly that allows it to be ran from memory. Is there anyway I could get it to work with

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The error I receive is "Parameter count mismatch"

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Apr 20, 2012

When I add a .dll file as a reference in C# application it shows an error:A reference to the ".dll" could not be added.Please make sure that the file is accessible and that it is a valid assembly or COM component.

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Apr 10, 2009

How does CLR load assembly?

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Mar 13, 2010

Can somebody show an example of loading a standalone assembly, enumerating its methods and invoking one?

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Mar 20, 2011

I'm learning about GAC and signing assembly! And I have some problems...1. I make a DLL having some basic functions in ONE SOLUTION (Signed and Compile)2. Then, I make a FormApp, add a reference to this DLL and using its function to do somethings in OTHER SOLUTION. No error appears!3. I run this project, so I get an error:A call to PInvoke function 'MyDLL.LunarDate:: ' has unbalanced the stack. This is likely because the managed PInvoke signature does not match the unmanaged target signature. Check that the calling convention and parameters of the PInvoke signature match the target unmanaged signature.

I tried 4 possible abilities that I can image:
1. I unsign DLL and re-add it to FormApp : It's OK
2. I sign FormApp with same pnk : The same error


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Jun 12, 2012

I'm looking at my ClassLibrary1.dll inside


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exe /i "C:UserswhereverClassLibrary1.dll"
Microsoft (R) .NET Global Assembly Cache Utility. Version 4.0.30319.1
Copyright (c) Microsoft Corporation. All rights reserved.


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Jan 20, 2009

In an installation on the user machine , it was required to Register an Assembly in the GAC.i registered it using the .net config utility from control panel.But .net config utility is available only if .net frame 1.1 redistributable is installed or .net 2.0 full sdk is installed ( or vs 2005).i was wondering if i can use gacutil to place the assembly in GAC on a machine which only has .Net framework 2.0 redistributable installed on it.

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Jun 9, 2012

I've converted a 2005 project to 2010.  As I was debugging some issues I noticed that my compiles didn't seem to change anything so I deleted the bin directory and recompiled.  Now all of my Web Services "ServiceName.asmx.vb" are no longer in the assembly and when I try to run them in the debugger, I get the following error:

Could not create type 'MyWebService.MyNamespace.MyService'.

I have verified that the Class and Codebehind are correct in the 'MyService.asmx' file.

I have verified that the MyService.asmx.vb file is marked to Compile and that the asmx file is Content.

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Sep 14, 2011

<%@ Register TagPrefix="jwg" Namespace="Janus.Web.GridEX" Assembly="Janus.Web.GridEX" %>

What would be the physical location of Assembly "Janus.Web.GridEX"... I looked into C:Windowassembly but I did not find "Janus.Web.GridEX"...

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Sep 4, 2009

I need a way to transfer a compiled assembly from client to the server and be able to store that in the database or in a file in such a way that I can grab those bytes on the "to" side and re-load assembly. Is there a way to do it. To clarify, I have a winforms application that will generate code and compile it based on some metadata. Now I need to be able to transfer this to a web site and store it somehow, but I don't want a dll (because it can be de-compiled). I would then have a "server" program on the to side, that would load this in memory. I could just transfer encrypted source code, but I thought I could just transfer compiled assembly.

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