Could Not Load File Or Assembly 'Microsoft.Office.Interop.Excel'?

Apr 16, 2010

I have a program that reads data from excel.

I use:Imports Microsoft.Office.Interop as well as a Reference from the "COM" tab called "Microsoft Excel 11.0 Object Library"

I built my program then copied the .exe from the inDebug folder to a location on my company's server. I then double clicked the .exe and it ran as I expected it would.My boss then tried (from another computer) and he gets this error:See the end of this message for details on invoking just-in-time (JIT) debugging instead of this dialog box.

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Project 'MyProject' Requires A Reference To Version '14.0.0.0' Of Assembly 'Microsoft.Office.Interop.Excel'

Apr 14, 2011

I have Visual Studio 2010 and a VB Project that had a reference to Microsoft.Interop.Excel 12.0. Well recently I changed the reference version to 14.0. That was actually a mistake and now I need to bump it back down to version 12.0. However I get this error in my project now...

Project 'MyProject' requires a reference to version '14.0.0.0' of assembly 'Microsoft.Office.Interop.Excel', but references version '12.0.0.0'
of assembly 'Microsoft.Office.Interop.Excel'.

I tried removing references and adding the com object to, but no avail.

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Excel Interop: System.Runtime.InteropServices.COMException (0x800A03EC): Microsoft Office Excel Cannot Access The File

Feb 25, 2010

I need to create an excel file from the database records. I fetched and put the data in an excel file and tried to save that file as follows.

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Using The Microsoft.Office.Interop.Excel.dll Library; Does Excel Need To Be On The End User's Machine

Nov 22, 2011

I have been doing a lot of reading on this topic and most folks seem to agree that having Excel is required to use the COM Interop libraries. However they are never specific as to where that should be installed. Does it need to be installed on the machine I am developing on or does it need to be on every machine that I deploy to?

Edit: I should mention that this is desktop development/deployment targeted for all Windows machines.

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Turn A Microsoft.Office.Interop.Excel.Chart Object Into A Microsoft.Office.Tools.Excel.Chart Object?

Aug 5, 2010

Basically I've coded an Excel 2007 project in VB.NET 2010 that allows you to create charts with a fair amount of interactivity. I want the user to be able to save and reopen this workbook and still have that interactivity in any already-created charts, so they don't have to re-create them.

When I create the charts, I use Sheet1.Controls.AddChart(...), which returns a Microsoft.Office.Tools.Excel.Chart with which I can handle events and such. However, when I reopen the file and look through the Sheet1.Controls collection, there are no Chart objects. Accessing the charts through Sheet1.ChartObjects.Chart gives me Interop Charts, when I need the Tools Charts.

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Make Microsoft.Office.Interop.Excel?

Feb 16, 2011

have a Visual Basic 2008 project with references to Microsoft.Office.Interop.Excel and Microsoft.Office.Interop.Access for Office 12/Office 2007. I also have Office 2007 installed on my PC. I tried running my program on a PC which has Office 2003installed (i installed the compatibility pack to open .xlsx files) and the Access Database Engine for .accdb Databases.It does not have VS2008 installed but has .Net Framework 3.5 SP1 installed.

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Get Worksheet Title Using Microsoft.Office.Interop.Excel?

Oct 11, 2011

how can i get Excel Worksheet title from an excel process already running on user machine using Microsoft.Office.Interop.Excel.

Actually, I have to implement this in windows service and Process.GetMainWindow title is not working with VB.Net service thats why i am looking for some solution thru Microsoft.Office.Interop.Excel.

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Microsoft.Office.Interop Get Excel Active Row And Column?

May 16, 2012

I am in need to get Excel Sheet name and current Column and Row, I have theActiveSheet.Name working but unsure how to get Column and Row

Private Sub ButtonTab_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles ButtonTab.Click
Dim MyExcel As New Excel.Application

[code].....

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Using Microsoft.Office.Interop.Excel In Windows Service

Feb 19, 2012

I'm wondering if you can use the Microsoft.Office.Interop.Excel in a windows service application type.

I've a windows form application which opens an Excel file and do some actions and save it as another file. All this is working perfect in windows forms. When I copy the same code and paste it in a windows service, then it is not possible to open the file even.

I receive the following error message:

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.net Microsoft.Office.Interop.Excel Active Cell + 1 Column?

May 25, 2012

I have code that will plus Row but need help with pluse column.Full code snippets:

Imports Microsoft.Office.Interop
Public Class Form1
Private Sub ButtonTab_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles ButtonTab.Click
Dim MyExcel As New Excel.Application

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Application' Is Ambiguous In The Namespace 'Microsoft.Office.Interop.Excel

Mar 9, 2010

Application' is ambiguous in the namespace 'Microsoft.Office.Interop.Excel

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Checkedchanged' Is Not An Event Of 'microsoft.office.interop.excel.checkbox'?

Jan 19, 2010

I added: import microsoft.office.interop.excel and I suddenly got this error:" 'checkedchanged'is not an event of 'microsoft.office.interop.excel.checkbox'"

for each cb2 as checkbox in thechecks
addhandler cb2.checkedchanged,addressof checkpress
next

it erroreed on the cb2.checkedchanged part and this code has worked before. however once I add the import it errors. what namespace am I supposed to put it under?

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Using Microsoft.Office.Interop.Excel Without Actually Having Excel?

May 1, 2011

I'm using Microsoft.Office.Interop.Excel in VB.Net in order to export an .xls file as a .pdf file. This was the only method I could find without relying on third party software to be installed on the running machine or using an expensive add-on to Visual Studio. This method requires opening excel and saving a file through the code.

My problem is that I only have a trial version of Microsoft office as I never actually use it. Well the limitation of times I can open it is up as I have run the program enough times for debugging purposes and now I can't continue development on this application. Is there a development kit for visual studio that provides the API I need for this functionality without actually having Office installed? I don't need Microsoft Office so I don't want to have to buy a full version just to develop and test an application.

I've looked at some options like this, but there is very specific formatting that needs to remain intact in the .xls for the conversion to .pdf that doesn't seem to work if I use an intermediary format. I've also read a little bit about the openOffice API, but is that compatible with .Net? If so, can someone point me to a tutorial that explains how to use the API with .Net? Specifically VB if possible, but I can work with C# code.

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Microsoft Office Installed - Warning 2 Unable To Find Dependency 'INTEROP.MICROSOFT.OFFICE.CORE'

Jul 23, 2010

So I have this error.

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So I'm guessing it has something to do with the fact that I don't have office loaded on my computer. Now I have another laptop, with office that I loaded this project on, and it works fine. So do I have to load office on this computer, or can I just reference something?

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Microsoft.Office.Interop.Excel : Disable Select Locked Values In A Worksheet?

Aug 29, 2011

I am using the Microsoft.Office.Interop.Excel library in VB.Net on an excel sheet that is protected. All of the protected settings are working fine except that I cannot set Select Locked Cells which shows when you are using the Excel protect sheet interface but I cannot see how to set this to false using the library. I have tried all of the different values in the protect method but none of them toggle the value.Excel protected sheet menu Below is the code snippet I am using to get my workSheet, populate some values, and then protect the sheet. GetWorkSheet is an internal method which will return a WorkSheet object, and invoiceData is a datatable which has the data which is being added to the spreadsheet.

Dim newSheet As Worksheet = getWorkSheet(newSheetName)
' Make the current Work Sheet active so that it will be accepting the data.
newSheet.Activate()
newSheet.Unprotect(sheetPassword)

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VS 2008 Error 2 'KeyUp' Is Not An Event Of 'Microsoft.Office.Interop.Excel.TextBox'

Mar 29, 2010

Error2'KeyUp' is not an event of 'Microsoft.Office.Interop.Excel.TextBox'. how can i fix this error

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VS 2008 Error2 'KeyUp' Is Not An Event Of 'Microsoft.Office.Interop.Excel.TextBox'?

Nov 4, 2009

Error2'KeyUp' is not an event of 'Microsoft.Office.Interop.Excel.TextBox'.

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IDE :: Error: Could Not Load File Or Assembly Interop.XXXX.dll

Jan 14, 2011

it works on 32bit and framework 4 - error: could not load file or assembly Interop.XXXX.dll Steps to reproduce:Create a new VB.Net winform project on a 64 bit system with framework 4 drop windows media player control on form. builds and runs fine. project references has two interops to temporary directory under obj folder copy if necessary the two interops to the build output path and delete the old project references and add new ones pointing to the interops in the output path build and run, everything is fine.ste the target frameowrk to 3.5 and repeat the whole process. the build fails.This is just a simple example of what I am seeing on a much mor complex project. It happens with all interops, not just WMP.

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Getting The Error "Application" Is Ambiguous In The Namespace 'microsoft.office.interop.excel'?

Sep 1, 2010

I have a project which opens a simple Excel file and populates it. It was working fine until this morning, when it has suddenly started giving me the error above: 'Application' is ambiguous in the namespace 'Microsoft.Office.Interop.Excel'.I haven't changed any project references, or anything within the file itself. The references include Microsoft.Office.Interop.Excel. The imports statement is there: importsMicrosoft.Office.InteropThe object declaration is also complete: Dim xl AsMicrosoft.Office.Interop.Excel.Application which is the line that's giving me the error!

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Define Font In Printdocument After Declare "Imports Microsoft.Office.Interop.Excel"?

May 12, 2012

Imports Microsoft.Office.Interop.Excel

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After Creating New Mail Using Microsoft.Office.Interop.Outlook Button 'Attach File' Does Not Work

Mar 18, 2010

I am creating simple mail without any atach using Microsoft.Office.Interop.Outlook. Mail is successfully created and opened, but after this button 'Attach File' does not work (it could be clicked, file could be selected but it is not attached). Here is simple code:

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VS 2010 Error: Could Not Load File Or Assembly 'Interop.ActiveDs.Version=1.0.0.0

Apr 22, 2010

I am working on an application which compiles fine on machine that is Win 7 and 64 bit CPU. But when copy and I run the exe file on similar machine (Win 7 64bit) I get error message: Error: Could not load file or assembly 'Interop.ActiveDs.Version=1.0.0.0,... I have added ActiveDS Type Library 1.0 C:WindowsSysWow64activedstlb as a reference in the project file.

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Could Not Load File Or Assembly ' Interop.DTS,version=2.0.0.0,cultral,publickeytoken=null' Or One Of Its Dependencies

Jun 27, 2009

I have problem when i use DTS package in my Application which I use VB.net .when i install the Application in the client and run it the are message appear :" could not load file or assembly ' interop.DTS,version=2.0.0.0,cultral,publickeytoken=null'or one of its dependencies . the system cannot find the file specified " In my PC run successfuly but in the client the previous?

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Could Not Load File Or Assembly 'Microsoft.VisualBasic

Apr 26, 2010

I am trying to use my .NET DLL library that is compiled in VIsual Studio 2008 in Linux. Now for that they have this Mono CLI implementation but unfotunately they have not fully implemented Microsoft.VisualBasic library as of yet. So when i try to call certain methods from my DLL i get this error: "Could not load file or assembly 'Microsoft.VisualBasic, Version=8.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a' or one of its dependencies.".

But not every function in my DLL crashes with this error. I found out that it is because this error only occurs when i use VisualBasic functionality. But the problem is that many things that come from this library are default things that you can do when using VB .NET.

Is there any way i can completely remove VIsualBasic functionality from my code in my DLL library?

I read in another post that setting Option Strict On is a good place to start but i still get the error even after doing that. Additionaly, i have unchecked VisualBasic namespace and removed it from references.

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Office Automation :: Excel File - Set A Reference To The Microsoft Excel 12.0 Object Library

Oct 6, 2009

I'm trying to upgrade a VB6 app to VB 2008. I have read the article in the tutors corner about automating Excel from VB but I cannot get it to work. Heres what I have done:

1) set a reference to the Microsoft Excel 12.0 Object Library

2) Added "Imports Excel = Microsoft.Office.Interop.Excel" to the top of the module

3) in a routine I have added: Dim X As New Excel.Application Here's where I get an error: Error 75 'Application' is ambiguous in the namespace 'Microsoft.Office.Interop.Excel'.

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Can't Get Microsoft.office.interop Referenced Anywhere?

Nov 5, 2010

I have been using Excel in vb.net for years and no problem but I have a new app and nothing is working. First I can't get Microsoft.office.interop referenced anywhere, which was weird. Then I can't instantiate Excel App.. Dim pExcel_App as New Excel.Application -- this gives me error "New cannot be used on an interface??But I can do this..Dim pExcel_App As New Excel._ExcelApplication -- where did this come from?Then I can't put anything into cells Dim wkbSheet As Excel.Worksheet wkbSheet.Cells(1,1) = "Title" --- this give me an error "Expression is a value and therefore cannot be the target of an assignment"

THe really weird thing is that I have an old app open at the same time that is just fine with all this code. AND the intellisense is different for each cell.The good one sets is as a range, the bad one says it is an object???I re-installed the MS PIA's but this didn't help.

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Specify V11 (with V11 & V12 Installed) Microsoft.Office.Interop.Word

Sep 2, 2010

I am working on a legacy VB.NET application that uses Microsoft.Office.Interop.Word, with Office 2003 installed on the server. When I publish my site, even though my config file clearly shows v11: The site will crash saying v12 couldn't be found: Could not load file or assembly 'Microsoft.Office.Interop.Word, Version=12.0.0.0, Culture=neutral, PublicKeyToken=71e9bce111e9429c' or one of its dependencies. The located assembly's manifest definition does not match the assembly reference. (Exception from HRESULT: 0x80131040)

Note: I currently have Office 2003 & 2007 installed on my dev machine, also, when looking @ references I am given the option of selecting v11 or v12 (so v11 is def. there). Within a page on the site the page does an import statement for Microsoft.Office.Interop.Word. Is it possible to specify the version at this point, or any way to force it to use v11 without me uninstalling my v12?

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Microsoft Office Excel Cannot Access The File?

Oct 29, 2010

I have create Office Excel application in my machine(XP). and i have placed the application in windows server 2008 giving the following error.

Microsoft Office Excel cannot access the file 'serverInput.xls'. There are several possible reasons:

The file name or path does not exist.The file is being used by another program.The workbook you are trying to save has the same name as a currently open workbook.

both client and server systems installed office 2007 and added reference microsoftexcellibrary 12.0

created assembly for the application and calling the code from the form.

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.net - Add A Textbox Programmatically To Another Page Using Microsoft.Office.Interop.Word?

May 20, 2012

I am able to insert a textbox into a Word document using the below code:

Dim opProcedures As Word.Shape
opProcedures = oDoc.Shapes.AddTextbox(Microsoft.Office.Core.MsoTextOrientation.msoTextOrientationHorizontal, 0, 0, 456.75, 24.75)
opProcedures.TextFrame.TextRange.Text = "Operational Procedures"

This adds a textbox to the first page of the document however even when I change the first (top) parameter I am unable to move the textbox onto the second page (only lower down onto the 1st page, any greater values than the height of the first page an it disappears).

How can I get the textbox to appear on the 2nd page of the document?

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Error - Exit Is Not A Member Of Microsoft.Office.Interop.Outlook

Dec 9, 2010

I have written a program in which I have import

Imports

Now when I write

Application.Exit()

It show error

Exit is not a member of Microsoft.Office.Interop.Outlook

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