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 =

[code]....

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Assuming that I am going to add new record. I use this function to generate the ID for the new record.

Public Function GetMax(ByVal strTable As String, ByVal strField As String) As Integer
Dim cmd1 As New SqlCommand
Dim conn As New SqlConnection(gStrConnection)
Dim no As Integer
Dim str1 As String
[Code] .....

It returns 1. How can I modify this to make it 20120001 wherein the first 4 number (2012) will depends on the year today.

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Aug 4, 2011

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

[code].....

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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"))
conn.Open()[code]....

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

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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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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.

[Code]...

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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
ecords)

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!

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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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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"

[Code]....

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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[Code]...

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

[code].....

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I looked at some on here and found this:

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

[Code]....

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What can I do to get the export to work?

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[Code]...

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

[Code]....

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[Code].....

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

[Code].....

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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.

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[Code]...

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