convert-csv-to-xlsx.md

title	description	type	page_title	slug	position	tags	res_type
Convert CSV to XLSX	Learn how to convert CSV file to XLSX using SpreadProcessing.	how-to	Convert CSV to XLSX	convert-csv-to-xlsx	0	csv, xlsx, excel, spreadprocessing	kb

Product Version	Product	Author
2020.1.310	RadSpreadProcessing	Dimitar Karamfilov

Description

The below example shows how you can easily convert a CSV file to XLSX format.

Solution

Use the [SpreadProcessing]({%slug radspreadprocessing-overview%}) library to convert the file.

C# Convert CSV to XLSX

{{region kb-convert-to-xlsx1}} static void Main(string[] args) { string fileName = @"..\..\FileName.csv"; if (!File.Exists(fileName)) { throw new FileNotFoundException(String.Format("File {0} was not found!", fileName)); }

    Workbook workbook;
    var csvFormatProvider = new CsvFormatProvider();

    using (Stream input = new FileStream(fileName, FileMode.Open))
    {
        workbook = csvFormatProvider.Import(input);
    }


    string resultFile = @"..\\..\ResultFile.xlsx";

    var formatProvider = new Telerik.Windows.Documents.Spreadsheet.FormatProviders.OpenXml.Xlsx.XlsxFormatProvider();

    using (Stream output = new FileStream(resultFile, FileMode.Create))
    {
        formatProvider.Export(workbook, output);
    }

    System.Diagnostics.Process.Start(resultFile);
}

{{endregion}}