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Writing object()() to excel fails

Posted on 2006-11-24
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Last Modified: 2008-06-02
I am writing a table of data into excel using the code below:

            app = CreateObject("Excel.Application") 'New Excel.Application
            app.DisplayAlerts = False

            wkbk = app.Workbooks.Open(template)
            wksheet = wkbk.Worksheets(sheetName)

            Dim oRange As Excel.Range = wksheet.Range(startCell)
            oRange = oRange.Resize(RowCount, ColumnCount)

            oRange.Value = oData

            'save
            wkbk.SaveAs(saveFile, format)


The oData object()() has data and formulae and if the formulae are correct I do not get an exception. When a formula is invalid I get the exception below. Is there a way to ingore this so that excel will accept all of the formulae anyway, even if they are invalid?


 System.Runtime.InteropServices.COMException (0x800A03EC): Exception from HRESULT: 0x800A03EC
   at System.RuntimeType.ForwardCallToInvokeMember(String memberName, BindingFlags flags, Object target, Int32[] aWrapperTypes, MessageData& msgData)
   at Excel.Range.set_Value(Object RangeValueDataType, Object )
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Question by:craigdev
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6 Comments
 
LVL 8

Expert Comment

by:doraiswamy
ID: 18007219
Maybe you can put it in a try catch block as below:

try
   oRange.Value = oData
catch ex as exception
' do nothing here
end try
0
 
LVL 1

Author Comment

by:craigdev
ID: 18007254
Im catching it already, i just need to know how to stop excel from throwing the exception in the first place
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LVL 13

Expert Comment

by:newyuppie
ID: 18007300
even if you type an incorrect formula in excel yourself it wont let you.
can you describe what oData is?
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LVL 1

Author Comment

by:craigdev
ID: 18007527
       Dim oData(rowsCount - 1, colsCount - 1) As Object

then i set each row/column value to be either a formula such as =A1*B1, or data value
sometimes i get errors in the formulae for whatever reason. I would rather write the formula out anyway and display as an invalid formula in excel. At the moment I cannot write any data out when there is a problem with a formula.

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LVL 13

Accepted Solution

by:
newyuppie earned 500 total points
ID: 18007654
here's what a quick google search turned up for you exception code:

Regional Settings Cause Some Excel Methods to Return an Error

If the locale selected in an end user's regional settings does not match the installed language for Microsoft Office Excel 2003, he or she might receive the following errors when calling certain Excel methods and properties:

    A first chance exception of type 'System.Runtime.InteropServices.COMException' occurred in mscorlib.dll.

    Additional information: Exception from HRESULT: 0x800A03EC.

-or-

    A first chance exception of type 'System.Runtime.InteropServices.COMException' occurred in ExcelProject.dll.

    Additional information: Old format or invalid type library.

For details on correcting this problem, see Globalization and Localization of Office Solutions.
http://msdn.microsoft.com/library/default.asp?url=/library/en-us/dv_wrcore/html/wroritroubleshootinginofficeatruntime.asp

0
 

Expert Comment

by:whitehen
ID: 21692297
The link to the resource suggested in the Accepted Solution has changed.
The new location is http://msdn.microsoft.com/en-us/library/4f9sc85k.aspx.
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