UserForm Open Excel File Via ComboBox

Mar 17, 2009

How to use a vba userform to input a number to the excel file and get another number from that excel file back to the userform?!! (such as input value to A1 and collect C1 back to userform). Beside is that possible to open another excel file via ComboBox and input the number (C1) to that particular excel file...

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Export To Excel Excel Could Not Open The File Because The File Format Is Not Valid?

May 8, 2012

I have this issue that occurs with me and driving me crazy i have a report that contains thousands of records and i need to export it to excel , but the excel normal extension .xls

is showing missing records at the end of the file , so i save my file as an .xlsx extension it saves correctly but when i open the file it generates an error

"Excel cannot open the file '<var>filename</var>.xlsx' because the file format for the file extension is not valid. Verify that the file has not been corrupted and that the file extension matches the format of the file."but when i test the file i drag it and open it in an empty notepad all the records shows up correctly

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Feb 11, 2009

I would like to open the excel file after create the excel file. The creating file function is done, but the system unable to open the excel file. My coding as below:

Dim xlApp As Excel.Application
Dim xlWorkBook As Excel.Workbook
Dim misValue As Object = System.Reflection.Missing.Value

[code]....

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Jul 13, 2010

I have an application the contains several excel files bundled with it. I'm not opening the files and processing them within my application. These files contain a data-connection to reload all of the pivot-tables within each excel file. I have a 'link' on my form, that when clicked, it determines which file to open and calls a sub using filename and executing Process.Start(filename) for any excel file I want to open. I have no problems opening any one of the files and then exiting excel.

The problem is when I 'close' a file, but don't exit Excel; then try to open another file(clicking link on form)... it creates a new instance of Excel.

I know from experimenting that the fileopendialog form will 'reuse' an existing Excel instance, IF it does not already have a file open.

How can I do the same thing without using the fileopendialog?

I don't want the end-user to have access to the folders where these files live. That's why I have multiple 'links' on my form, one for each xls that already exists. I just want them to be able to click on a link and the xls file opens AND if they choose to merely 'close' a file and not exit... Don't create a new instance of Excel, but re-use the existing one.

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Feb 3, 2010

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[Code]...

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Sep 18, 2010

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Nov 26, 2010

I have written an access application for project management and am trying to convert it to VB so i can make an exe. what i need to do is open an excel file because my gnatt chart creator is an excel document.When i run my debugger it says it doesn;t know what the open command is..I think i need to include a reference but do not know which one and there are lots to choose from. i have included the excel reference so the compiler knows what an Excel.Application is and what Application.Workbooks is. but when i try and go beyond work book i get no options like open or save or saveas or worksheets.[code]

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Nov 4, 2009

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Aug 10, 2010

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Jan 24, 2011

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Mar 29, 2012

The following gives me an error when I try to open an Excel file if the value of lblFileName is different than the file on disk by differences of upper or lowercase letters.

[code]...

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Jan 25, 2011

[code]...

how can I assign value to wb witout open the file (I want another function to give wb value without open the file)

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Jun 2, 2011

Im struggling on how to open an excel workbook without one of two problems.

1. After the first workbook is opened and I close the workbook, if another is opened the worksheet area is "transparent", as in, you can see the desktop or any open app behind excel.

2. Closing excel and opening another workbook after X times (4+?) via the vb.net app I use causes the computer to reboot.

I am stuck thinking it is the method used to open excel within the app.The code below has two methods, both produce the same affect. One method is blocked (makes it easy to test either one).[code]I have two buttons that open workbooks, both have identical code less the workbook requirements.Is there a better or best method to use for opening excel workbooks from vb.net?

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Aug 24, 2011

I've been trying for a while to declare or to open a excel sheet in vb.net. I already read excel file in vb.net and other links but it doesn't work. I added Microsoft Excel 12.0 Object Library. I included:

[Code]...

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Jun 4, 2010

On my computer I've VB.net 2005. and also office 2007. I try to open an excel file like that

Imports Excel = Microsoft.Office.Interop.Excel
Public Class Form1
Private Sub Button1_Click(ByVal sender As System.Object, _
ByVal e As System.EventArgs) Handles Button1.Click

[Code].....

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Feb 16, 2009

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Dim objXLS As Object = CreateObject("Excel.Application")
Dim FileName, Sheet As String
Dim data As IDataObject

[code]....

objXLS.ActiveWorkbook.Close()'This is where I get the file save changes message boxI am using Visual Studio 2008 Pro and excel 2003My operating system is XP?

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Nov 26, 2011

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Dim exl As New Excel.Application
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as when did in Process.Start("Name.xlsx")

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I'm using xlWorkBook = xlApp.Workbooks.Open("c:\example.xls") which opens a new instanc of example.xls.

If example.xls is already open, is there a way of reading from it?

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Aug 19, 2010

I have a program that filters data and then outputs it to a tabg delimited file. I then use Excel Interop to open this file in Excel because directly outputting to a worksheet takes too long. So currently I am using this code:

AD.DF.WriteToFile(vbTab)
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The first line takes the filtered data and outputs to a tab delimited file. The second opens that same file in a new workbook in Excel. And obviously the third makes Excel visible. Here is my problem though: right now when this code is run there are two open workbooks. I already have an active workbook and I would just like to open this file to that workbook.

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Oct 12, 2011

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Oct 13, 2011

I want to open a excel template with a browse button, the file needs to open and must be directly saved by the user. after the file is saved the file location needs to be displayed in a textbox.With this i can open excel itself, but i don't know how to open the template and save the document

Dim Xl As Excel.Application
Dim Filepath As String
Dim Workbook As Excel.Workbook

[code]....

The file opens and i get a save as dialog, but when i want to save the document it doesn;t save at all, However it won't give me a error.

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I have a vb program that reads data from an excel sheet and displays it in a datagridview. The problem with this program is that it is able to read the data and display it only when the excel file is opened but when the excel file is not opened, it gives an error report that[code]...

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ProjectName     ExcelFile
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Jun 12, 2011

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Private Sub Button1_Click
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Dim objWB As Excel.Workbook

[Code].....

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I'm using Vb.net 2008 This code will open specific Excel file from specific location(C: a1.xlsx) and print data to it. Is it possible to open this file from any location(as when we use Process.Start("ta1.xlsx") )on Pc and complete the process of code( print datat)

vb
Dim exl As New Excel.Application
Dim exlWorkSheet As Excel.Worksheet
exl.Visible = True

[code]....

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[Code]...

The last line throws an exception "Cannot open file" with certain end-user profiles. It works perfectly fine when executing from an Admin account. I just cannot figure out what user privileges and access settings may cause the error. Note that it also works with some end-user accounts (not admins). What missing user rights can cause this?

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[Code]...

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