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How to format a Excel Cell from C#

Posted on 2008-06-13
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Last Modified: 2013-12-17
I am exporting some double datatype value to an Excel file
format (using C#, see attached code snippet).
In this case, its two numbers 2.11 and 2.10.
Problem in Excel is, the number is displayed as 2.11 and 2.1 instead of 2.11 and 2.10.

Question  :
How can I format the Excel cell such that it will display 2.10 and not 2.1?
Excel.Application oXL = new Excel.Application();
oXL.Visible = false;
Excel._Workbook oWB = (Excel._Workbook)(oXL.Workbooks.Add(Missing.Value));
Excel._Worksheet oSheet = (Excel._Worksheet)oWB.ActiveSheet;
 
try
{
    object[,] rawData = new object[10,10];
 
    rawData[1, 1] = 2.11;    
    rawData[2, 1] = 2.10;    
 
    oSheet.Columns.AutoFit();
 
    // Get file name to save exported data
    saveFileDialog.FileName = "somefile";
    DialogResult mDR = ParSaveFileDialog.ShowDialog();
    if (mDR == DialogResult.OK)
    {
        oWB.SaveAs(saveFileDialog.FileName, Excel.XlFileFormat.xlExcel9795, string.Empty, string.Empty, false, false,
                   Excel.XlSaveAsAccessMode.xlNoChange, Excel.XlSaveConflictResolution.xlLocalSessionChanges,
                   false, 0, 0);
    }
finally
{
    oWB.Close(false, string.Empty, false);
    oXL.Quit();
}

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Question by:sepknow
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2 Comments
 
LVL 47

Accepted Solution

by:
Wayne Taylor (webtubbs) earned 2000 total points
ID: 21776915
In VB, the format is either of these....

    oSheet.Cells(1, 1).NumberFormat = "0.00"
    oSheet.Range("A1").NumberFormat = "0.00"

Wayne
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LVL 2

Expert Comment

by:TheLastStraw
ID: 21777410
oSheet.cells(1,ColumnDataIsIn).entirecolumn.numberformat = "0.00"

this will format whole column with two significant decimal places
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