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ExportToExcel Format

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Tab Alleman
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Tab Alleman asked on 06 Sep 2010, 09:54 PM
I am trying to control the format that excel chooses for my cells when I do an ExportToExcel() of my grid.

I have a column that holds percentage values.   In the column declaration, I have the following: 

DataFormatString

 

="{0:N1}%"  FooterAggregateFormatString="{0:N1}%"

 


But although both format strings are the same, in the excel sheet that is generated, the data rows are formatted with the "Number" category, and so they have values like "0.36", while the footer is formatted with the "Percentage" category and has values like "36.4%" (which is what I want).

I have tried at least a dozen things and I can't get the data rows to display in a percentage format.   Is there any way to control the format of data rows when you use ExportToExcel?

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Princy
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answered on 07 Sep 2010, 08:14 AM
Hello Tab,

Try the following method to display the cell value in percentage format when its exporting to excel.

ASPX:
<telerik:GridBoundColumn DataField="Percentage" HeaderText="Percentage" 
UniqueName="Percentage" DataFormatString="{0:N1}%" FooterAggregateFormatString="{0:N1}%" Aggregate="Sum" />

C#:
    bool isExcelExport = false;
 
    protected void RadGrid1_ItemCommand(object source, GridCommandEventArgs e)
    {
       if (e.CommandName == RadGrid.ExportToExcelCommandName)
        {
             isExcelExport = true;
        }
     }
 
protected void RadGrid1_PreRender(object sender, EventArgs e)
    {
        if (isExcelExport)
        {
              foreach (GridDataItem item in RadGrid1.MasterTableView.Items)
              {
                  string value = item["Percentage"].Text;
                  item["Percentage"].Text = value + "%";
              }
        }

Thanks,
Princy.
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Tab Alleman
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answered on 07 Sep 2010, 05:09 PM
Thanks for your reply.   Unfortunately it didn't work for me.   In Excel, the values for "Percentage" are still getting formatted with the "Number" category, and look like "0.35" instead of "35%".
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Daniel
Telerik team
answered on 07 Sep 2010, 09:37 PM
Hello Tab,

I recommend that you set the desired format manually on the GridExportCellFormatting event:

protected void RadGrid1_ExcelExportCellFormatting(object source, ExcelExportCellFormattingEventArgs e)
{
   if (e.FormattedColumn.UniqueName == "MyColumn")
       e.Cell.Style["mso-number-format"] = "Percent"; //or 0%
}

Word/Excel export (HTML-based)

Best regards,
Daniel
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Tab Alleman
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answered on 07 Sep 2010, 10:15 PM
Yes!    That's exactly the sort of functionality I was hoping existed.   Thanks, Daniel!
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Tab Alleman
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Princy
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Tab Alleman
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Daniel
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