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I need to fill a list box from an Excel File

Posted on 2005-03-08
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Last Modified: 2010-04-23
I need to fill a list box from the contents of a Excel File
I have the following code but I pretty sure it is failing on the range part.

Thanks

        Dim oxl As Object
        Dim i As Long
        Dim WorkBookName As String
        Dim sName As String

        'get workbook name
        WorkBookName = "H:\Bridge\Special Assignments\Stephen\PreStress Cells\Prestress Variables.xls"
        'get sheet name
        sName = "SuperStructure"

        oxl = CreateObject("Excel.Application")
        oxl.Visible = False
        oxl.Workbooks.Open(WorkBookName)
        'get the header count
        With oxl.Workbooks(1).Sheets(sName)
            .Activate()
            .Range("A23").Select()
            .Range("A23:A64").Select() '-4161 = xlToRight
            'fill headers in listbox
            For i = 1 To oxl.Selection.Count
                lstExcelData.Items.Add(.Cells(1, i).Value)
            Next
        End With
    End Sub
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Question by:sherrick123
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9 Comments
 
LVL 12

Expert Comment

by:S-Twilley
ID: 13487977
If I remember, letters in Excel increment going across... and numbers going down (which represent row numbers.  From what I can see, your range is stretching downwards in the first column... so should this line be change to reflect that

lstExcelData.Items.Add(.Cells(i, 1).Value)    ' .Cell(RowNumber, ColumnNumber

=============================

On a different note, I found it easier importing the Microsoft Excel Object Library... then used similar code to what you're doing (although its untested)

Imports Excel

Public Class Form1
    Inherits System.Windows.Forms.Form

    ....

    Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
        Dim sheetName As String = "SuperStructure"

        Dim myExcel As New Excel.Application()
        Dim myDoc As Excel.Workbook = myExcel.Workbooks.Open("H:\Bridge\Special Assignments\Stephen\PreStress Cells\Prestress Variables.xls")
        Dim mySheet As Worksheet = myDoc.Sheets(sheetName)
        Dim iRow As Integer

        With mySheet
            For iRow = 23 To 64
                lstExcelData.Items.Add(.Cells(iRow, 1).Value)
            Next
        End With
    End Sub

==========================

Hope this works.. or at least helps
0
 

Author Comment

by:sherrick123
ID: 13488163
It does not allow a "New" Excel.Application
0
 
LVL 12

Expert Comment

by:S-Twilley
ID: 13488237
Which Object Library did you import?

I imported the reference to "Microsoft Excel 10.0 Object Library"

and Im using VB.NET 2002... and it allowed me to
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Author Comment

by:sherrick123
ID: 13488467
I imported the reference to 11.0 and it did not allow me to Imports Excel

So I imported 5.0
0
 
LVL 12

Accepted Solution

by:
S-Twilley earned 375 total points
ID: 13488639
Seems strange...  by the way...did you try changing your original code with

lstExcelData.Items.Add(.Cells(i, 1).Value)  

... I think that's the correct way around, but I can' run Excel at the moment because of M$ activation thing being stupid
0
 

Author Comment

by:sherrick123
ID: 13489371
I went ahead and did it like this.  Not very elegant BUT its done...

         For i = 23 To 62 '1 To oxl.Selection.Count
                test = .range("A" & i).value
                lstExcelData.Items.Add(test & ".dgn") '(.Cells(i, 1).Value)
           Next

I never could get the dang Range thing to work.
            .Range(oxl.Selection, oxl.selection(???????).Select())

If you can get it to work.  Let me know.  I suppose if I work on this more I will need a better way to get the range of cells.

Any ideas on that???

Other wise you answered my question

Thanks again
0
 

Author Comment

by:sherrick123
ID: 13805570
I am going to give the points to S-Twilley,  He pointed me in the right direction
0
 
LVL 12

Expert Comment

by:S-Twilley
ID: 13805661
Thanks...  it's all good as long as you reach the solution :P
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