Exporting To Excel - Setting Column Width?

Dec 7, 2009

I am exporting data from a DataGridView into Excel, how can i set the size of a column when exporting?


Exporting ReportViewer To Excel / Line Width Variation

Apr 28, 2009

I am creating reports using the Microsoft ReportViewer control.I am encountering some formatting issues when exporting the reports into Excel. The problem is that I am specifying a line width of 1pt in ReportViewer, which is the smallest line possible (or is it?).When the export is done, the line widths in Excel are all thick borders.I am trying to figure out how to get the line widths to be standard lines in Excel.

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VS 2010 DataGridView - Null Reference On Setting Column Width?

Jun 9, 2010

I have a databound DataGridView, and I'd like to keep one column in front, with a slightly smaller width than the default. The grid's AutoSizeColumnsMode property is set to Fill so that the columns fill out the entire grid. This makes the first column equally large as all others, which is why I need to set its width manually. The smaller column is the first one with the checkboxes. I have two grids that I need to do this with, and for some reason it works just fine with the first grid, but gives a null reference error on the second grid...

Here's the code for the first grid (working fine):
Public Sub UpdateTodoGrid()
' Load todo items
todoGrid.DataSource = _TodoManager.LoadAll()
' Set backcolor
For Each row As DataGridViewRow In todoGrid.Rows
[Code] .....

As you can see, the code is exactly the same (except for not setting the BackColor of each row and not using the ReadOnly property*). When I run this code, it gives me a null reference error ("Object reference not set to an instance of an object.") on the line where I set the column's Width. Obviously 'col' is not Nothing (otherwise it would have errored before that line), and there's nothing else there that could be Nothing... I assume that something happens internally in the grid when you set the width of a column, and that there is a null reference there, but obviously I have no control over that.

The grid's are absolutely the same, as the second grid is just a 'copy' (meaning I copy/pasted it in the designer) of the first. So all their properties are equal. I thought maybe the ReadOnly properties were the problem, but I tried putting them in in the same way and the issue did not go away... The first grid is not ReadOnly (because the checkboxes need to be editable), but all rows except the first are, while the second grid is completely ReadOnly.

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Set The Column Width And Leave The Top 10 Rows Empty In Order To Insert An Image Into Excel Report?

Sep 3, 2009

How can I set the column width and leave the top 10 rows empty in order to insert an image into my Excel report?

Here is my code:

If ComDset.Tables(0).Rows.Count > 0 Then
With Excel


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IDE :: MS Access Table - Exporting Data In Fixed Width Format

May 23, 2007

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"
but no success.

For delimited format it is working fine
DoCmd.TransferText acExportDelim, "", "VDMMEMBS", "C: estingTestData.txt"
I have gone through the link [URL]
Error message is same as of me but example shown is related to import of txt file.

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Add Persistence To Multiple DataGridView In Terms Of Hide/Show Column And Column Width

Feb 24, 2010

Add persistence to multible DataGridView in terms of Hide/Show column and column width

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Resize Listview Column To Largest Width (column Header Or Item) C#

Jul 4, 2011

I have been trying to find out how to resize listview column width to the largest widthor either column header or item in c#


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.net - Exporting To Excel Removes Leading Zeros. Css Styles To The Table Does Not Carry Over To The Excel Export?

Aug 4, 2011

I have an asp:table which I want to exported to excel. One of my fields are alpha numeric and when exported to excel the leading 0s are stripped off. After going through this thread: Validation (CSS 2.0): 'mso-number-format' is not a known CSS property name I would like to use the css method "mso-number-format:@;.But the css is not exported to excel. I just tried to test it with simpler css things like bold font etc but its not getting carried over. I can see that if I surround my asp:Label with tags this change gets carried over to the excel but not the css bold . Other solutions in other thread does not work for me as ="00111" shows up as desired in excel but in the web form it shows up as ="00111" which is not what i want.

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Exporting To Excel - Get Excel To Return Down A Row And Display The Next Product Within The List Box?

Apr 16, 2011

I am building an ordering system for my job.  The idea is that the customer will put in a stage name for an item.  That stage name is then interpreted by the program.The product id and the amount the customer wants to order is placed in a list box on the form.  There are a couple of buttons, ADD, REMOVE, CLEAR, and EXPORT.  The user input is handled by input boxes.  When the user pushes the EXPORT button, excel should open and list out the interpreted product codes with the corresponding amount to order. I can get excel to open, but I can not get excel to display more than one line.  It will display the first product, but then it comes up with an unhandled exception.I can not figure out how to get excel to return down a row and display the next product within the list box.

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Formatting Worksheet In Excel (Exporting Excel)?

Aug 22, 2011

I got a code that exports datagridview to excel, how can I format the worksheet in excel through coding in vb.net because I have to include a header before the data in the datagridview nd some data that is in my form in vb.net like the values in my labels and textboxes.

Imports System.Data
Imports System.Data.SqlClient
Imports Excel = Microsoft.Office.Interop.Excel


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Setting The Height And Width Of A Printdocument?

Jun 11, 2009

I have tried everything and read everything and I still can't set the height and width of a document? It always boils down to setting the kind to "Custom", however the

Dim psize As Printing.PaperSize
psize.Kind = PaperKind.Custom
always fails on property 'Kind' is read only.

Then of course the line psize.height = 200 always aborts because 'Kind is not set to custom'.

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Double Animation - Setting Width Of Border?

Jul 14, 2009

I have a stack panel with 10 borders in it. the application performs the following operations:
1) it takes the last border and set its width = 0
2) It remove the border form the last position and it inserts this border in the first position
3) Once is in the first position a double animation increases its width to 50
No it works well for 10 times then it become impossible to set the width of the border to 50, it stay to 0. It looks like when you run a double animation the width property becomes blocked and you can not change it. Is there a way to unblock it?

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Setting TextFields MaxLength Property automatically With The Width

Jan 3, 2010

When I drag a dataset onto a form (as details), is there a way in which the textFields maxLength property is automatically set with the width within the actual table. Or do i have to select each textBox and enter it manually?

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Binary File - Setting Width And Height Variables Into Array

Apr 14, 2011

I am working with binary files that have 500 rows and 500 columns (width x height). When I load these files into array I set width and height variables to 500 and I was wondering instead of hard-coding like that how I can code in a way that the program should find the # of rows and # of columns of the file before loading the file into array...

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Asp.net - Exporting Data To Excel ?

Sep 28, 2011

I am unable to export my data into excel.

Dim sqlString As String = "spExportRateProfile" & Session("OfficeNumber") & "," & Session("SalesRepID")
Dim conn As SqlConnection = New SqlConnection(Utils.GetConfigKey("ConnectionStringVimas"))

What do I need do after this to export my data to excel?

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Error Exporting To Excel

Aug 15, 2011

I am trying to export a datagridview ti excel, but i get an error I do not quite understand.I have made two click-events using two buttons looking like this: [code]Button 1 fills the datagridview and in works, but when I get try button two I get an invalid index error pn the line highlighted in red.

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Exporting A Datagridveiw To Excel?

Apr 10, 2009

I am exporting a datagridveiw to excel, this works fine. As of now there are columns and headers that i needed to add to the excel data that did not exist in the datagridveiw. This also works fine, the data is held in cells a2:f2, now i want to take this data in these columns and filldown to the last filled row of the excel sheet. In this example lets say i have 49 rows of information, i want to take a2:f2 and copy it down to the 49 row of the excel form. Below is the entire code of the export process, i have noted where i need this code to go with , i am not sure if i should just use a for loop, which i have tried to no avail.


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Exporting A DataGridView To Excel?

Mar 13, 2006

I have a datagridview(DGV) which contains data based on a user selections from a pre-defined dataset

In point form:

User starts program

program builds datatable

user opens file and program read all data from file into the dataset.datatable

user defines the data they want to see

program displays datagrid based on dataset.datatable and user choices. (basically it displays the whole dataset and removes unwanted columns

I want to be able to export the datagrid to excel (not sure which method yet). I have tried the excelexporter component i found somewhere on the msdn forums (it exports the data to look exactly like the datagridview) but its painfully slow. It exports something in the region of 100 records per minute. Most of the time, the datagridview can contain anywhere from 3000-32,000 records. As such, at 100 records per minute, the excel generation can take updwards of 50minutes. Unacceptably slow for the purposes of the program.

What do people recommend as the best method to quickly dump the contents of a datagrid into excel. By quickly, im talking at the speed of about 10,000 records per minute. In all honesty, anything over 5000 records per minute will be fast enough, but the quicker the better!

Is there a way of creating a new dataset.datatable that is built of the contents of the datagridview and then building an excel sheet by connecting to the new dataset?

I would like to be able to export to Excel 2000-2003 at a minimum, but if i can do excel 97 as well it won't hurt.

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Exporting A Table To Excel?

Aug 23, 2010

I need to export data from a sql table into an existing excel spreadsheet (not create a new one) in Visual Studio 2008.

Here is the code I am using:

Dim SecFileName
As String =
"C: est estfile.xlsx"


I get an error saying the external table is not in the correct format. I assume taht means the existing spreadsheet. But I have verified that I have the same number of fields (i.e. columns) as the spreadsheet I am inserting the data into.

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Exporting Aspx To Excel?

Feb 4, 2011

I need the code for exporting the content of aspx report(which is a static page without any html components butcontains css style) to excel sheet without using any asp.net components like datagrid or any other.I need the complete

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Exporting Data To Excel

Mar 23, 2006

i need to export a query result to excel. I did it using a few methods but it seems that it is taking to long if loading large amount of data like 1000 rows. I did looping a datatable and write the values to excel via excel object 11.0. - 20 secs for 1000 rows exporting the data to CVS but i will have problems formatting the data. using copyfromrecordset using adodb. But they want it to be done in .net Are there any better and faster ways? Must be done programmatically using vb.net.

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Exporting Datagrid To Excel?

Mar 18, 2012

I am using the written below code for exporting datagrid view to excel . My DatagridView has 17 columns and 2000 rows . The code i am using takes a very long time for exporting data . Is there any other way to do it fast.


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Exporting Datagridview To Excel

Jul 28, 2010

I have a problem in exporting data grid view to excel. The problem is while i export the contents are exporting but the 'column header' is not exporting to excel. can any one give me solution its urgent this the code which im using.[code]

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Exporting Dataset To Excel

Mar 15, 2012

I'm exporting datagridview data to Excel via dataset.Col 1 of my datagridview contains dates and the grid shows the dates w/o time.Once exported the dates to Excel, they are then formatted via wSheet.Range("B:B").NumberFormat = "ddMM"..The above code works fine for dates having a single digit day. For days 10 and above, the dates are shown as dd/MM/yyyy 00:00 in the excel sheet.[code]If days are single digit, month is swapped with day when writing to Excel from a dataset.

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Exporting DataTable To Excel?

Feb 10, 2012

I have been trying to export a DataTable to an excel file and have been hitting a few wallsI am using Visual Studio 2010, VB.Net, Windows 7 64-bit, Office 2010 32-bit. 1) I first had trouble with not closing the Excel.exe *32 process and solved that by using the FinalReleaseComObject(ExcelFile).2) When I use the FinalReleaseComObject, it re-checks the "Ignore other applications that use Dynamic Data Exchange" under Excel's Options-->Advanced. Then any time I try to double-click on an Excel file, I get the error: "There was a problem sending the command to the program." Excel opens, but the worksheet I want does not. The only solution I have found to this problem is to have the DDE unchecked

Private Sub PrintTable(ByVal data As DataTable, ByVal FileName As String)
Dim priorSum As Integer = 0


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Exporting DGV To Excel Sheet?

Aug 25, 2009

I looked at some on here and found this:

Public Sub Test()
Dim xlApp As Global.Excel.Application
Dim xlWorkBook As Global.Excel.Workbook


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Exporting Excel 2003 To Pdf?

Sep 12, 2011

I have a vb6 app that creates an Excel 2003 doc that I need to export to pdf. I have the following code to export,

excelWorkBook.Worksheets.PrintOut Copies:=1, ActivePrinter:="Adobe PDF",' printtofile:=True, prtofilename:=strOutputName 

but nothing prints. The app exports to pdf works in test, but not when I move it to production. I have to remote into the machine that runs the app, so my printers from my local pc are "attched" to the remote session, can this have something to do with no output.  The remote machine does not have the Adobe print drivers installed.

What can I do to get the export to work?

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Exporting Filtered Dgv To Excel?

Jun 17, 2012

i have a dgv populated from a csv file and i am filtering the dgv further and exporting it to the excel. But my problem is it is exporting all the values from the original dgv not from the filtered dgv. I am using one dgv and 2 buttons in my form. When I click the button 1 my dgv gets filtered . when i click the button 2 it must export the filterd dgv to excel but it is not in a way as it is supposed to be instead it exports the unfilterd dgv (all the values from the dgv)


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Exporting From Listview To Excel?

Jun 5, 2011

I'm making a project and part of it requires exporting data from listview with two columns (expense and price) to excel. Here's my code so far:

Dim oExcel As Object
Dim oBook As Object
Dim oSheet As Object


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Exporting To Excel From DataGridView

Jun 22, 2010

I am filling a datagridview with very lengthy results. Roughly 60k rows on average. I am filling them via an oracle database using a table adapter. The records then have a filter placed on them in the datagridview so the results displayed are a bit different.

My problem: I built an export to excel function which populated a dataset and then red through it and wrote to excel. Bad idea with the amount of records I am using. I tried just writing the records straight to a csv file using streamwriter but I don't very much like this way.

My proposal: I would like to fill an array from the datagridview and then be able to dump the array into excel. However I am having some trouble finding examples on creating an array from a datagridview.

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Exporting To Excel In A VB Windows App?

Oct 20, 2009

I have a windows application that exports data from a datagridview into excel. Now this data can change based on what a user does in the datagridview itself. An example would be out of 1,000 files the user can sort through using DataGridViewAutoFilter to search for a handful of rows, say 50 or 143 or whatever.

The user then clicks on the button which exports to the excel worksheet. I'm looking for some help on getting a subtotal count at the bottom of the export. I would like to be able to have some additional code in place that would subtotal the records that the user exports into the worksheet. Let me show you what I have so far:


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Exporting Values To Excel?

Nov 23, 2011

I'm trying to export a set of values to excel. The data is being taken through a DAQ card and is displayed in two textboxes on the form. So far I can export 1 data point to A1 and B1 of the spreadsheet. here is what I have so far.

Private Sub Timer1_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Timer1.Tick
Dim acquiredData() As Double = DaqTaskComponent1.Read


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Importing And Exporting To Excel

Sep 5, 2007

This is in vb 2005, and I would like to be able to click a button (i.e. export to excel, import from excel) and do this.If you need any more information then just let me know.

1)How do you export the data that is displayed in a datagrid to Excel.

2)How do you import data from an excel file, and fill the datagrid with that information.

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Change Font When Exporting To Excel?

Dec 28, 2009

How do I change the font size when I export to excel?

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Charting With VB 2010 And Exporting To Excel?

Jun 7, 2012

Im doing a project with .Net 4.0, Visual Studio 2010 and Visual Basic .Net.I needed to add a Chart (the new one included by default in .Net 4.0) that represents temperatures evolving with time, so I added the drawing points in the elapsed event of the timer every second.The graph is doing somewhat ok, but I need another functionality, and this is, every time I stop the timer, save the graph in an excel (.XLS or .XLSX) file. As by default the chart provides with a collection of the type "System.Windows.Forms.DataVisualization.Charting.DataPointCollection", I would like to know if there is a way to create an xml and put the info of those collections in the excel file.I have looked around but I didn't find any similar example, last thing im thinking about is to use an iterative way to manually write in the excel file, but maybe its too much time consuming as the iteration will be of several thousands seconds.

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Excel - Exporting Some Data To A DataGrid

Jun 6, 2011

I am working on exporting some data to a DataGrid (with no luck). So far I have:


When this runs, I get an error message that says: System.Data.OleDb.OleDbException: The Microsoft Jet database engine could not find the object 'Sheet'. Make sure the object exists and that you spell its name and the path name correctly. The excel file has only one sheet that is named "Sheet", and the location specified in the connection line is correct. Any ideas on why this may be happening?

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Exporting Data From A Datagridview To Excel?

Jul 28, 2010

I am using Visual Studio 2008 and looking for an efficient and hopefully straightforward approach for exporting data from a DataGridView to Excel. If doable, my preference would be to export the data to Excel without instantiating an Excel application. I found some code on the Microsoft support site that is fairly accessible but the example shows how to export just a few pieces of data. Would someone be able to demonstrate how to modify this code to so that it could be used for large amounts of data (for example, data from a DataGridView).

'Establish a connection to the data source.
Dim sConnectionString As String
sConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0;" & _


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Exporting Data To Excel Cells?

Feb 18, 2011

How can I update an existing excel file? I want to change certain values already present in the excel file and I am using
Dim excelConnectionString As String = "Provider=Microsoft.ACE.OLEDB.12.0;Data Source=C:Test.xlsx;Extended Properties=""Excel 12.0 Xml;HRD=No""" 
Dim excelConnection As New OleDbConnection(excelConnectionString) 


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Exporting DataGridView To Excel File?

Aug 25, 2009

I have a a DGV with the following fields:

Now my DGV has records in it and I try to export it to Excel File. Now it exports the the Column Names above but none of the records. My code is below.
Dim fs As New IO.StreamWriter("C:exported.xls", False)
fs.WriteLine("<?xml version=""1.0""?>")
fs.WriteLine("<?mso-application progid=""Excel.Sheet""?>")
fs.WriteLine("<ss:Workbook xmlns:ss=""urn:schemas-microsoft-com:office:spreadsheet"">")
[Code] .....

I got this code from the MSDN forums from a link someone posted. They said they changed IntCol and it worked to incoude the records as well but I cant figure it out. When I hit Export it does prom,pt me to save the file and saves the Names above to excel sheet but none of the records.

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Exporting Excel Range As Image?

May 23, 2012

I have a working excel vba macro that does what I want from here and I am trying to convert it to VB.NET.

The code from VBA:

Sub bah()
''' Set Range you want to export to file
Dim rgExp As Range: Set rgExp = Range("B2:C6")
''' Copy range as picture onto Clipboard


I am running into trouble converting the ActiveChart.Paste method. I can't get it to work in VB.NET. It either throws an error or It just leaves an empty box when I do it in VB.NET (if I add .chart before the paste it runs, but doesn't paste any values), but in VBA it fills in the values of interest. I have tried creating a chart object, but that did not seem to work either.

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Exporting To Excel - Run In A Pc Where Office Is Not Installed?

Mar 24, 2010

I have a function in my application which exports data to excel. It works fine when it is installed in a pc where office is installed. How can I run in a pc where Office is not installed? Do I need to install full Office in user computer? Are there any redistributables which makes my work done??


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Exporting To Excel From VS 2008 Error

Jul 13, 2011

I have a routine in VS 2008 that exports data to an excel spreadsheet. This has been running without any problems for months. Now I am getting the 'cannot expand named range' error. The strange thing is that it doesn't happen all the time. I can export the data 2-3 times and it works fine but the fourth time I get the error. There is no rhyme or reason. We have upgraded to Office 2010 recently but I updated the excel reference in my project to Microsoft Excel 14.0 Object library. Even if that was an issue why would it work sometimes and other times not? [code]

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Exporting To Excel With Color Formatting

Oct 20, 2011

I have this page with a gridview that displays data that needs to be formated with different colors according to the values it gets. Now, I already export it into excel, no problem, but someone decided that the excel file should be colour formated just as the grid on the web page. You can see on the attachment the web page and the excel file in question. When I export to excel, its all white, obviously. How do I get to do this? To worsen things, I'm not even into VB, I do Java, but somebody asked me to solve this, It wasn't even me who did the export to excel code in the first place.

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Extra Character When Exporting To Excel?

Aug 24, 2010

I am exporting a sql data table to excel using VB 2008. The export works fine but when I open the excel spreadsheet and click on individual cells, I see an apostrophe at the beginning of the string. Is there a way to keep this from happening in the export?

Here is my code:

Dim strfileall = "C: estdata.xls"      
Dim SQL1
As String =


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Slow Exporting From Access To Excel?

Oct 9, 2009

I have to generate about 800 excel files from an access database.

For the first 10-15 of them it's working nice, a few seconds/excel file but it's constantly taking longer, at the 150th excel file it's taking 10 minutes.

Here is my code:

It's doing this for each nrliste in the access table (about 800 of them)

Dim lista = From ls In Liste _
Where ls!Concatenare = nrliste(i) _
Select ls


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