C#でMicrosoft Officeを使用せずにExcelファイルを操作する

using IronXL;

// Initialize a new Workbook
var workbook = new WorkBook();
// Add a new Worksheet named "Sales Data"
var worksheet = workbook.CreateWorkSheet("Sales Data");

// Populate the Worksheet with data
worksheet["A1"].Value = "Month";
worksheet["B1"].Value = "Sales";
worksheet["A2"].Value = "January";
worksheet["B2"].Value = 5000;
worksheet["A3"].Value = "February";
worksheet["B3"].Value = 6000;

// Save the Workbook as an Excel file
workbook.SaveAs("SalesReport.xlsx");

Imports IronXL

' Initialize a new Workbook
Private workbook = New WorkBook()
' Add a new Worksheet named "Sales Data"
Private worksheet = workbook.CreateWorkSheet("Sales Data")

' Populate the Worksheet with data
Private worksheet("A1").Value = "Month"
Private worksheet("B1").Value = "Sales"
Private worksheet("A2").Value = "January"
Private worksheet("B2").Value = 5000
Private worksheet("A3").Value = "February"
Private worksheet("B3").Value = 6000

' Save the Workbook as an Excel file
workbook.SaveAs("SalesReport.xlsx")

using IronXL;

// Load an existing Excel file
var workbook = WorkBook.Load("FinancialData.xlsx");

// Access a specific worksheet by name
var worksheet = workbook.GetWorkSheet("Quarterly Report");

// Read values from specific cells
string quarter = worksheet["A2"].StringValue;
double revenue = worksheet["B2"].DoubleValue;
double expenses = worksheet["C2"].DoubleValue;

// You can also iterate over rows and columns if needed
foreach (var row in worksheet.Rows)
{
    foreach (var cell in row)
    {
        Console.WriteLine(cell.Value);
    }
}

Imports IronXL

' Load an existing Excel file
Private workbook = WorkBook.Load("FinancialData.xlsx")

' Access a specific worksheet by name
Private worksheet = workbook.GetWorkSheet("Quarterly Report")

' Read values from specific cells
Private quarter As String = worksheet("A2").StringValue
Private revenue As Double = worksheet("B2").DoubleValue
Private expenses As Double = worksheet("C2").DoubleValue

' You can also iterate over rows and columns if needed
For Each row In worksheet.Rows
	For Each cell In row
		Console.WriteLine(cell.Value)
	Next cell
Next row

using IronXL;

// Load an existing Excel file
var workbook = WorkBook.Load("EmployeeData.xlsx");
var worksheet = workbook.DefaultWorkSheet;

// Adding new data to cells
worksheet["A4"].Value = "John Doe";
worksheet["B4"].Value = "Sales";
worksheet["C4"].Value = 45000;

// Updating existing data
worksheet["C2"].Value = 50000; // Update salary of an existing employee

// Save the changes to a new file
workbook.SaveAs("UpdatedEmployeeData.xlsx");

Imports IronXL

' Load an existing Excel file
Private workbook = WorkBook.Load("EmployeeData.xlsx")
Private worksheet = workbook.DefaultWorkSheet

' Adding new data to cells
Private worksheet("A4").Value = "John Doe"
Private worksheet("B4").Value = "Sales"
Private worksheet("C4").Value = 45000

' Updating existing data
Private worksheet("C2").Value = 50000 ' Update salary of an existing employee

' Save the changes to a new file
workbook.SaveAs("UpdatedEmployeeData.xlsx")

using IronXL;

// Load the Excel file
var workbook = WorkBook.Load("ProjectData.xlsx");

// Export the entire Workbook or a specific Worksheet to CSV
workbook.SaveAsCsv("ProjectData.csv");

// You can also export to other formats like JSON
workbook.SaveAsJson("ProjectData.json");

Imports IronXL

' Load the Excel file
Private workbook = WorkBook.Load("ProjectData.xlsx")

' Export the entire Workbook or a specific Worksheet to CSV
workbook.SaveAsCsv("ProjectData.csv")

' You can also export to other formats like JSON
workbook.SaveAsJson("ProjectData.json")

using IronXL;
using System.Data;

// Load an existing Excel file
var workbook = WorkBook.Load("EmployeeRecords.xlsx");
var worksheet = workbook.DefaultWorkSheet;

// Convert the Worksheet to a DataTable
DataTable dataTable = worksheet.ToDataTable(true);

Imports IronXL
Imports System.Data

' Load an existing Excel file
Private workbook = WorkBook.Load("EmployeeRecords.xlsx")
Private worksheet = workbook.DefaultWorkSheet

' Convert the Worksheet to a DataTable
Private dataTable As DataTable = worksheet.ToDataTable(True)

using IronXL;

// Creating a workbook
var workbook = new WorkBook();

// You can save the Workbook in various formats
workbook.SaveAs("ExcelDocument.xlsx"); // XLSX format
workbook.SaveAs("ExcelDocument.xls");  // XLS format
workbook.SaveAsCsv("ExcelDocument.csv");  // CSV format

Imports IronXL

' Creating a workbook
Private workbook = New WorkBook()

' You can save the Workbook in various formats
workbook.SaveAs("ExcelDocument.xlsx") ' XLSX format
workbook.SaveAs("ExcelDocument.xls") ' XLS format
workbook.SaveAsCsv("ExcelDocument.csv") ' CSV format