CODEWITHSUNDEEP
c#.netexcelclosedxml
pencilCake
pencilCake

Reputation: 53263

Can I save an EXCEL worksheet as CSV via ClosedXML?

Is it possible to save a worksheet of a workbook as CSV via ClosedXML?

For example:

var workbook = new XLWorkbook(fileName);
IXLWorksheet worksheet;
workbook.Worksheets.TryGetWorksheet(sheetName, out worksheet);

How to Save it as CSV?

Upvotes: 15

Views: 20546

Answers (4)

Aivan Monceller
Aivan Monceller

Reputation: 4680

Other answers will fail to generate a valid CSV if cells have the separator so here is a better way

var lastCellAddress = worksheet.RangeUsed().LastCell().Address;
File.WriteAllLines(csvFileName, worksheet.Rows(1, lastCellAddress.RowNumber)
    .Select(r => string.Join(",", r.Cells(1, lastCellAddress.ColumnNumber)
            .Select(cell =>
        {
            var cellValue = cell.GetValue<string>();
            return cellValue.Contains(",") ? $"\"{cellValue}\"" : cellValue;
        }))));

This is based on @Extragorey's answer

Upvotes: 24

Extragorey
Extragorey

Reputation: 1764

As @Emanuele points out, @Raidri's answer won't generate a proper CSV format, and it also omits blank rows entirely. To fix this:

var lastCellAddress = worksheet.RangeUsed().LastCell().Address;
System.IO.File.WriteAllLines(csvFileName, worksheet.Rows(1, lastCellAddress.RowNumber)
    .Select(row => String.Join(",", row.Cells(1, lastCellAddress.ColumnNumber)
        .Select(cell => cell.GetValue<string>()))
));

Upvotes: 1

Emanuele
Emanuele

Reputation: 664

Wrong in 

row.LastCellUsed(false)

it's not a correct format for csv. Last columns will be empty instead of get relative separator.

Upvotes: 0

Raidri
Raidri

Reputation: 17550

No, it is not possible directly in ClosedXML. You have to use loops or LINQ to build your own CSV file.

For example:

System.IO.File.WriteAllLines(csvFileName,
    worksheet.RowsUsed().Select(row =>
        string.Join(";", row.Cells(1, row.LastCellUsed(false).Address.ColumnNumber)
                            .Select(cell => cell.GetValue<string>()))
 ));

Upvotes: 10

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