EasyXLS

How to export data to CSV file in C++.NET

/*---------------------------------------------------------------
 | Tutorial 30
 |
 | This tutorial shows how to export data to CSV file in C++.NET.
 --------------------------------------------------------------*/

using namespace System;
using namespace EasyXLS;
using namespace EasyXLS::Constants;

int main()
{
    Console::WriteLine("Tutorial 30\n----------\n");

    // Create an instance of the class that exports Excel files, having a sheet
    ExcelDocument ^workbook = gcnew ExcelDocument(1);

    // Set the sheet name
    workbook->easy_getSheetAt(0)->setSheetName("First tab");

    // Get the table of data for the worksheet
    ExcelWorksheet ^xlsFirstTab = safe_cast<ExcelWorksheet^>(workbook->easy_getSheetAt(0));
    ExcelTable ^xlsFirstTable = xlsFirstTab->easy_getExcelTable();

    // Add data in cells for report header
    for (int column=0; column<5; column++)
    {
        xlsFirstTable->easy_getCell(0,column)->setValue(String::Concat("Column ",(column + 1).ToString()));
        xlsFirstTable->easy_getCell(0,column)->setDataType(DataType::STRING);
    }

    // Add data in cells for report values
    for (int row=0; row<100; row++)
    {
        for (int column=0; column<5; column++)
        {
            xlsFirstTable->easy_getCell(row+1,column)->setValue(
                String::Concat("Data ", (row + 1).ToString(), ", ", (column + 1).ToString()));
            xlsFirstTable->easy_getCell(row+1,column)->setDataType(DataType::STRING);
        }
    }

    // Export CSV file
    Console::WriteLine("Writing file C:\\Samples\\Tutorial30 - export CSV file.csv.");
    workbook->easy_WriteCSVFile("C:\\Samples\\Tutorial30 - export CSV file.csv", "First tab");

    // Confirm export of CSV file
    String ^sError = workbook->easy_getError();
    if (sError->Equals(""))
        Console::Write("\nFile successfully created. Press Enter to Exit...");
    else
        Console::Write(String::Concat("\nError encountered: ", sError, "\nPress Enter to Exit..."));

    // Dispose memory
    delete workbook;

    Console::ReadLine();

    return 0;
}


C++ without .NET Framework
This tutorial is valid for C++ applications that can use .NET Framework. For applications that does not have .NET Framework integrated, a similar code sample is available.

EasyXLS Excel libraries:

.NET
Excel Library for C++.NET
full .NET version to import, export or convert Excel files
Excel Writer for C++.NET
.NET version to create and export Excel files
Download EasyXLS™ Excel Library for C++.NET

File formats:

Office 365
MS Excel 2021 - 2024
MS Excel 2007 - 2019
MS Excel 97 - 2003
XLSXXLSMXLSBXLS
XMLHTMLCSVTXT