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Dates formatted as general in exported file

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SpreadStreamProcessing
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B
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B asked on 13 Feb 2019, 10:19 PM
When I'm exporting a file that has dates, the format is coming across as general instead date.  When I inspect the column data deserialized from the model object it is indeed showing a date format, it just doesn't seem to be applied when the workbook is created.  Any suggestions?

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Nikolay Demirev
Telerik team
answered on 18 Feb 2019, 11:08 AM
Hello B Smith,

The RadSpreadStreamProcessing exports only the data which is given. It does not "understand" that it is a Date value in order to apply a number format. In order to export cell values formatted as Date, you have to set the cell format too. Here is an example:
using (FileStream stream = File.Open(fileName, FileMode.OpenOrCreate))
{
    using (IWorkbookExporter workbook = SpreadExporter.CreateWorkbookExporter(documentFormat, stream))
    {
        using (IWorksheetExporter worksheet = workbook.CreateWorksheetExporter("Date"))
        {
            using (IRowExporter row = worksheet.CreateRowExporter())
            {
                using (ICellExporter cell = row.CreateCellExporter())
                {
                    cell.SetValue(DateTime.Now);
                    cell.SetFormat(new SpreadCellFormat() { NumberFormat = "m/d/yyyy" });
                }
            }
        }
 
    }
}

I hope the provided information was helpful.

Regards,
Nikolay Demirev
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Nikolay Demirev
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