Export DataSet To Existing Excel Worksheet
Nov 4, 2010
VB2005. I have several DataSets that I create or grab from an external source. One example is
Dim sql As String = "SELECT TOP 30 * FROM myTable" & vbCrLf & _
"WHERE Area='YY' AND CarNum='734EP' " & _
"ORDER BY ProcDate ASC;"
Dim da As New OleDbDataAdapter(sql, myOLEDBconn)
'create a dataset and fill it with the returned data.
Dim ds As New DataSet
da.Fill(ds, "MyData")
Once I have these DataSets I then have to pump them into a specific worksheet in an existing Excel2007 workbook. The connection and interaction with Excel and the workbook/worksheet is already established and that works. But I am stuck in exporting the DataSets
into the specific worksheet.
Note that I have already scoured the web and MS Community site and all code that I have found so far iterates through each and every row and column of the DataSet and then adds that to the worksheet in a cell by cell manner. This is fine and in testing that works. But there has got to be a better way to do this. For even a moderate sized DataSet the exporting just takes a long time. 25 records with 15 columns takes about 10 to 15 seconds.
I've also been experimenting with some scratch code I found that converts the DataSet to an ADODB Recordset and then uses the xlwksht.Cells.CopyFromRecordset function to export it in one fell swoop. I haven't got this one to work just right but it seems in the end it also does an iteration through each and every record and field to convert to the ADODB recordset.
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Nov 30, 2007
I am looking for an example to export the data from a dataset to an existing excel speadsheet in vb.net 2005?
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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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Apr 25, 2012
Below is the method I'm using to export my gridview data to Excel. The user has asked if I can name the worksheet tab.
Private Sub btnExportToExcel_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles btnExportToExcel.Click
Dim form As New HtmlForm
Dim strAttachment As String
[code]....
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Apr 9, 2011
in my scheduling app I am able to export to excel and fill the first worksheet with data and save the workbook and change the name of the worksheet(Thanks to .paul) but I am stuck on adding a new workshhet and renamiming it.so I do this:
'in this case I am starting with Jan 16 - Feb 12, 2011 and changing it to Jan16Feb12,2011,
' this will be the workbook name.
fileToOpen = lblDateRange.Text
fileToOpen = fileToOpen.Replace(" ", "").Replace("-", "") & ".xls"
[code]....
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Jan 5, 2011
I see the examples where I can export a table into an Excel Worksheet by using
SELECT * INTO [Excel 8.0;Database=C:Book1.xls].[Sheet1] FROM [MyTable]
But I can only use [MyTable] if it is a binding source correct? What i would like to do is something like:
[Code]...
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Sep 10, 2007
I was wondering what is the most efficient way to populate a dataset from an excel worksheet.I have tried many ways but most are very inconvenient.
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Apr 7, 2012
I need to save the results of each search that I run on my database, into an excel file. So it is an iterative process where the new search results are added on as new rows to the excel file in each export. I am running the following code which works perfectly fine but for the fact that each export is saved to a newly created excel file.[code]...
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Mar 27, 2009
I have the following bit of code that I have used in the past to export a DataSet generated from the Stored Procedure 'HISTORICAL_COSTS' to Excel.[code]...
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Oct 29, 2009
how to access the dataset if it is in another page so that i could export it to the excel sheet....and
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Sep 9, 2011
Export data from Dataset with multiple table to excel sheet
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Aug 31, 2009
I want to export dataset content using VB in one shot as i'm exporting crystal report
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Jan 21, 2011
how to Export DataSet to Multiple Excel Sheets and download those file into a zip in C# asp.net?
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Oct 29, 2011
I am looking for some guidance with the most optimal or efficient way to export a dataset to an excel file. I have searched the forums and found a number of methods to do this. However, the code I am currently using is very inefficient as it is itterating through the rows and columns to create the excel file. The app I am working on needs to be able to create 50 or so excel files each with 500+ rows and 40-50 columns. This method seems to inefficient for my use.
I have seen some code out there to use an ODBC call to excel to create the file. I am wondering if someone can verify that this is the most efficient way to meet my goal. It should also be noted that after the export I will want to do some basic formatting of the sheet. Adding bold column headers, autofilters, and autofit all columns.
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Jan 22, 2010
I'm using ODBC to export tables from a dataset to an Excel file without auto-formatting Excel or even needing to have Excel installed on the users PC. This works great but I just had a request to autosize the columns and make the header line bold. The only way I know of doing this is to fully automate Excel to control the row/column/cell formatting. Does anyone know a way of doing this without auto-formatting Excel?
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Apr 9, 2011
I already have an Excel worksheet. How do I write some values to that worksheet from my VB application?
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Mar 5, 2011
I have worked out all the other bugs in my Staffing app. A while back .paul helped me with exporting my data to excel. So what I need to do now is this:
Schedule AM RN's and export to excel DONE
Schedule PM RN's and export to excel appending to existing worksheet
Schedule AM NT's and export to excel appending to existing worksheet
Schedule PM NT's and export to excel appending to existing worksheet
Schedule AM WC's and export to excel appending to existing worksheet
Schedule PM WC's and export to excel appending to existing worksheet
I only need 1 workbook, and each new full schedule will be a new worksheet with the beginning date/ending date as the worksheet name.
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Sep 25, 2010
I have a spreadsheet control on a windows form that I would like to populate with data from an existing worksheet (myworkbook.xls, sheet1).
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Dec 9, 2010
i built a patient management software for a clinic and i need to export patiet list from ASP.net grid view to excel file my question is:Is there a way to export gridview to excel i am using vb.net and visual web developer 2010 i store datasource from advanced search page into a session and redirect to result page
here is the code of result page
[Code]...
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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
[code].....
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Aug 18, 2011
I'm trying to copy multiple excel source files into one excel file. My current code is working only for 3 source files..If more than 3 files are there, it doesn't copy the data but creates blank work sheet in the output excel file. Lets say I have a source folder with 5 excel files. Each workbook contains one worksheet with data. It copies upto 3 worksheets along with data into output excel file.
Lets say excel1 contains A as work sheet, excel2 contains B as work sheet ,excel3 contains C as work sheet ,excel4 contains D as work sheet ,excel5 contains E as work sheet .Now my output excel file should look like..OutputExcel with A, B, C, D, E along with respective data.But my current code is giving output as A,B,C worksheets along with respective data but its creating blank sheet1,sheet2 in place of D & E.
SSIS Script Task Vb.Net Code:
Public
Sub Main()
Dim filePath
As
String =
[code].....
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Apr 7, 2011
I want to add a textbox to a worksheet using VB.NET. I've searched for this in Internet and MSDN. In an artcile of MSDN, I found that maybe I should use "msoAutoShapeType", but I don't know how to use it.
I have add "Excel Libary 12.0" to my project and open and write value to worksheet, but could anyone tell me how to add a textbox to worksheet?
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May 3, 2010
I'm using vb.net to manipulate excel worksheets and I need to copy a row from one worksheet to another in a different workbook. Nothing I've tried seems to work.
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Apr 15, 2008
I would like to prompt the user, in the middle of a VB program, either with MsgBox or any other dialog, to input data in a worksheet of the Workbook that contains the code and then, on some event, read the data and continue execution. I was not successful with MsgBox (and other forms) since it is modal. The user cannot get focus on the worksheet, input data and then continue execution by clicking a command button.
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Dec 4, 2009
When I used the following code:[code]the workbook opens but I get the following error - Invalid index. (Exception from HRESULT: 0x8002000B (DISP_E_BADINDEX))
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Jul 24, 2010
I am using VB.Net 2008 on Windows XP, and I am trying to sort a Worksheet in Excel. My code is as follows:
Public Sub SortLateDeliveries()
Dim intCounterA As Integer
Dim intCounterB As Integer
[Code]....
I have tried both of the sort codes indicated (one is commented out), and I have searched the internet and have found that other people appear to be using one or other of the codes listed and it works for them!
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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 24, 2011
I have been trying to create a excel sheet as an output of my .exe but canīt doit.[code]...
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May 22, 2009
I have a bunch of Excel files, each file with multiple worksheets (aka, tabs). I want to loop thru each file, and within each file, loop thru its worksheets and do some stuff. I've included Microsoft.Office.Interop in my code and I am able to do Excel operations but I am not sure how you loop thru the multiple worksheets within a workbook.
Here is what I have so far.
Imports System
Imports Microsoft.Office.Interop
'The command take one argument.
'It is used to locate the current source directory where the Excel files are saved.
'The command will open each file and loop thru the tabs in the file.
[Code] ......
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Jul 15, 2009
I'm trying to allow users to add a volumetric sheet to an existing excel spreadsheet. I need it to check to see if the requested tab name currently exists and if not then to create the sheet and be able to populate it with the proper information. Also, how do I reference back to the active worksheet once it is created.[code]...Create and name a new worksheet within an excel file?
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