Open File In Excel Then Save It As Csv

Apr 20, 2010

I have a database file that excel reads just fine but i can't figure out what type of file it is. So i figure the easiest thing to do is open the file in vb.net via an excel object, then execute the save as i have seen 1000 examples but even after i think i add a reference vb still has no idea what "excel." is.[code]

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Open Excel Template And Save File?

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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Apr 19, 2010

I'm using VB Express 2008 and I would like to open an excel file and save it with different name file. For example, I would like to open a file in
C: est.xls
And then I want to save them with different file name such as
C: ry.xls

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Jan 10, 2012

I'm trying to export a datagridview to Excel and open the Excel spreadsheet (not SAVE the worksheet).

Public Sub ExcelRpt(ByVal DgvName As GridView, ByVal url As String)
Dim xlApp As Microsoft.Office.Interop.Excel.Application
Dim xlWorkBook As Microsoft.Office.Interop.Excel.Workbook
Dim xlWorkSheet As Microsoft.Office.Interop.Excel.Worksheet

[code]....

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Nov 27, 2010

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Nov 9, 2010

I can do this using VBA, but I want to be able to create the code using a compiled VB programme, which can then be opened in Excel.

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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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Mar 29, 2010

I get the following error message when I try the following:[code]"Excel cannot open the file 'ContactReports.xlsx' because the file format or file extension is not valid. Verify that the file has not been corrupted and that the file extension matches the format of the file."What I would like to do is Open a excel file that is the XLTemplatePath and the either rename or save the file at the XLSaveReportPath and then use that renamed/saved file to fill the report out.I am using Visual Studio 2008 in VB.NET

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Oct 13, 2011

I have searched S/O, but unable to find a solution that helps my problem. I am exporting data to an xls file from my asp.net application. I need to display the Open / Save As / Cancel dialog box when the user clicks "Export Data" button.

[Code]...

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[2005] Can't Open Excel File By Using XlApp.Workbooks.Open?

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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Mar 10, 2009

I took oledbconnection with excel file, after disposing this connection i m still unable to open that excel manually,It shows some access error.

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Save An Excel File After Opening Excel Application?

Jan 28, 2010

i'm trying to save an excel file after I open my excel application. This is what I have so far:

'Opens the report
xlPeakDemand.Visible = True
xlPeakDemandWorkbook.SaveAs("C:Documents and

[Code].....

When saving as an xls it works fine but when saving as a htm its a disaster Just a bunch or symbols and stuff. BUT if I go into my xls document and Save As webpage from there, it works fine!

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Dec 23, 2011

i have made a downloader . i use save file dialog to save file but when open save file dialog it does not get the file name and file extension from the source....please help me to make a file downloader which gets the file name and extension automatically from web. my downloader downloads file succesfully but doesn't show its real extension and file loses its default extension.

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Combine Excel File & Csv File And Save As Excel.?

Jan 26, 2009

I'm working with vb.net 2008. My application generates 1 excel file (with login details etc). The application will store user results for various sections into csv files. I'm trying to combine the csv files into the excel file. I'm trying to get this to work with one csv file initially ...but I am ending up with a blank Excel file. This is what I've tried so far:

Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
Dim oExcel As Object

[code].....

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Combine Excel File & Csv File And Save As Excel?

Jan 26, 2012

I'm working with vb.net 2008. My application generates 1 excel file (with login details etc). The application will store user results for various sections into csv files. I'm trying to combine the csv files into the excel file. I'm trying to get this to work with one csv file initially ...but I am ending up with a blank Excel file. This is what I've tried so far:

Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
Dim oExcel As Object

[code].....

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Mar 13, 2007

how can i save 2 textboxes(string) into 1 file? and when open the file, the string goes to definite texboxes...

[Code]...

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Mar 22, 2009

What i am trying to do is open a save file dialog and write to a .txt firl the contents of my listview. so far:

[Code]...

i have this, but i'm not to sure how to write to the .txt file i know i need to use a for each to loop the contents of the list view

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May 22, 2012

I need to open an excel file from vb.net and then search it for specific data. I then need to take those data and insert them into text boxes on a form that i have created. This is all controlled by a button click. I already have some code that will open a file dialog box and let me navigate to the correct file, but I am having trouble with the search portion. I have tried the Find function but I am not sure of the proper syntax. I am using Visual Studio 2008 and Excel 2003.

[Code]...

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Apr 22, 2010

I'm trying to Save Arabic string on file using file open but every time I load the file it gives me deffrant craters cant read it like "this code workking good In English but in arabic the resulut always like "??????" and cant read it back.

[Code]...

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Sep 6, 2009

Once a user has selected a file with the open file dialog, how can I handle this action? For example, if the user has selected a .txt file and has opened it, how can it get the data from the file? How can it return the path that the user found the file in? Then, how can it save the file?I know that there is a OpenFileDialog.OpenFile() method, but I am also pretty sure this is not what I am looking for. I have also tried the ToObject method, but I probably messed up somehow.

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Filter File Formats In Save As Dialog For An Excel File?

Oct 26, 2011

I need to create a dotNet saveAs dialog, but I need to populate the file formats in the dialog. After the person have selected a file, it must connect that to a file format that I populate into the SaveAs command in the Excel Interop. After the Interop SaveAs command, I must check if the file have been saved correctly.

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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

i want to open an excel file inside my folder which is dynamic meaning it can be in drive c: or d: as long as it is inside a specific folder grace

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Open An Excel File?

Aug 10, 2010

I want to open a excel file, and then close my projekt:

so when the projekt is close  the excel is open with a file.

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Jan 24, 2011

how open excel's file from vb

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Open An Excel File If The Value Of LblFileName Is Different Than The File On Disk?

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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Forms File Save Open

Jun 18, 2009

I am doing windows application project in vb.net ,code for how to save ,open and print a file /document.i have used the below code for save but its not working fine. [[code]

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Nov 23, 2009

How can I open and save files in my webbrowser.

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Save And Open A File With Inputs?

Mar 18, 2010

How can I save and open a file with inputs as follows:

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2. combo box

3. picturebox

how can i do it in visual basic 2008!...

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Apr 22, 2009

coding in visual basic 2008 express for save the text of all text boxes, Lables and Buttons and open again in same condition. For saving I am using code like Private Sub SaveToolStripMenuItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles SaveToolStripMenuItem.Click

[Code]...

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Dec 29, 2009

I am trying to open an excel CSV file and overwrite some data, close then use that file in my program. Everything go is fine except when I read the data from the file, the file seems to be corrupted! [code]...

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Save To Excel File?

Jul 22, 2011

I have a program where I put data into a list view in VB.net. I then use the code below in a button click to export the content into a excel file where I can then save it. however I plan to add alot more data to the list view ad would like to auto save the data in the list view to an excel file (where it saves it to disk not an open excel window) and then clears the list view then will repopulate the list view and repet the loop of saving the data to a new excel file on disk.[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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Best Or Better Method To Open Excel File

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

I am working on a VB.net program that must get data from excel workbooks.  I open the excel workbook, copy a chart image tp the clipboard, then copy the contents of the clipboard to a PictureBox.Image.  The problem I am having is the files contain links to other workbooks so when I open them I get a message box asking if I want to update the links.  Since this is ment to run automaticaly at certain times I will not be there to click on Yes or No.I also have a similar problem when I try to close the workbook.  I get the messagebox for saving changes to the file.Here is the code I am using:

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

I'm using vb.net 2008 I want to use this code to open Excel file from the same folder where the program(exe) will be.

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

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Apr 24, 2007

I have an excel file,having lot or micros, connecting to database, doing some complex calculation..inshot that excel file is itself an application.

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Jun 6, 2011

I want to rewad values from an Excel file that is always open and updating. I was using standard code to open up Excel and read from it, which worked fine, but that opens a new instance of the sheet. I need to read from a sheet that's already open.

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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Apr 29, 2011

I have been using Visual Basic for about 2 weeks now so I know I am getting in over my head at this point, but times a factor. I have created a user form with around 100 User entered text boxes and pull down menus, tabbed pages etc. I can create a distributable file with no problem. However I cannot find any kind of example, tutorial, etc that will show me how to allow an end user to save the form as "enterfilenamehere.DCP" (for example) and then reopen any .dcp file created in my form application. The only examples and tutorials I can find are how to type text and save it as a txt. format. Could someone lend a complete novice some advice or point me in a good direction on where to learn about saving and opening custom file types?To clarify The user can use my form, But at this point has no way of saving and recalling what they entered in my form. It's a one time use only...not really what I want.

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May 30, 2010

Okay so all i want to do, is to write something in a richtextbox then saving the text, as a .txt file, with ANSI encoding.

The title says to open and edit aswell, but i dont need thatm ingore that.

This is the code i have atm:

Save button:
Dim SaveFile As New SaveFileDialog
SaveFile.FileName = ""

[Code].....

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Feb 23, 2011

I have been working on a project that opens, modifies, then saves an xml file. The problem is that one of the attribute values contains a dash, causing the parser to throw an error when my xml editor application attempts to open the file. I have yet to find a working solution after weeks of searching the web, I tried the the following method for saving the xml file[code]...

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Dec 27, 2008

Code that opens image file this code works properly
Private Sub MenuItem4_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles FromFile.Click
PBDisplay.Visible = False
If OpenFileDialog1.ShowDialog() = DialogResult.OK Then
PBDisplay.SizeMode = PictureBoxSizeMode.AutoSize
[Code] ......

This code is what I am using to save image after it is re sized, It will not save the new image, it saves the old image and the old size. I am using a picture box to import the image into, then I am resizing the picture box and the image. But when it is saved it reverts to the original image.
Private Sub MenuItem6_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Save.Click
If SaveFileDialog1.ShowDialog = DialogResult.OK Then
PBDisplay.Image.Save(SaveFileDialog1.FileName)
End If
End Sub

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