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Excel Interop - Problem with Autofit

Posted on 2007-12-02
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Last Modified: 2013-11-26
I am trying to use the autofit function to fit the data into the excel columns from a vb.net application.

However, i keep getting the following error when running the Autofit function:-
{"Exception from HRESULT: 0x800A03EC"}

Many thanks
Dan
Private Sub cmdExport_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles cmdExport.Click
        exc = New Excel.Application()
        Dim r As Integer
        Dim c As Integer
        Dim CellsRange As Excel.Range
 
        If exc Is Nothing Then
            Console.WriteLine("ERROR: EXCEL couldn't be started")
            Exit Sub
        End If
 
        exc.Visible = True
 
        Dim workbook As Excel.Workbook = exc.Workbooks.Add
        Dim WorkSheet As Excel.Worksheet = workbook.Worksheets.Add
        For r = 0 To gridResults.Rows.Count - 1
            For c = 0 To gridResults.Columns.Count - 1
                WorkSheet.Cells(r + 2, c + 1) = gridResults.Item(c, r).Value
            Next
        Next
        For c = 0 To gridResults.Columns.Count - 1
            WorkSheet.Cells(1, c + 1) = gridResults.Columns(c).HeaderText
            WorkSheet.Cells(1, c + 1).font.bold = True
            WorkSheet.Columns(c).autofit()
 
 
        Next
 
    End Sub

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Question by:DanJourno
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4 Comments
 
LVL 25

Accepted Solution

by:
imitchie earned 1000 total points
ID: 20392430
Make sure the case is exactly the same when using InterOp
0
 
LVL 25

Expert Comment

by:imitchie
ID: 20392434
In this case, it's AutoFit
0
 
LVL 5

Author Comment

by:DanJourno
ID: 20392441
Thanks for your reply.

I replaced the line:-
WorkSheet.Columns(c).autofit()
with
WorkSheet.Columns(c).AutoFit()

However, i get the same error.

Dan
0
 
LVL 5

Author Comment

by:DanJourno
ID: 20392536
Here is the solution I came to:-

I changed:
WorkSheet.Columns(c).AutoFit()
To
WorkSheet.Columns("A:Z").AutoFit()

It autofits all the columns instead of one at a time, but that doesnt both me.
Thanks for your help
Dan
0

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