Convert CSV to Excel in C# with Aspose.cells

convert_csv_to_excel_complete_code_example.cs

using System;
using Aspose.Cells;

namespace CsvToExcelDemo
{
    class Program
    {
        static void Main(string[] args)
        {
            // Apply license (optional for evaluation)
            try
            {
                var license = new License();
                license.SetLicense("Aspose.Total.NET.lic");
            }
            catch (Exception ex)
            {
                Console.WriteLine("License not applied: " + ex.Message);
            }

            // Define input and output paths
            string csvPath = "sample.csv";
            string excelPath = "sample.xlsx";

            // Configure load options for CSV
            var loadOptions = new LoadOptions(LoadFormat.Csv)
            {
                Encoding = System.Text.Encoding.UTF8,
                // Set delimiter if not a comma, e.g., ';'
                // Separator = ';'
            };

            try
            {
                // Load CSV into a workbook
                var workbook = new Workbook(csvPath, loadOptions);

                // Save as XLSX
                workbook.Save(excelPath, SaveFormat.Xlsx);

                Console.WriteLine($"Conversion successful: {excelPath}");
            }
            catch (Exception e)
            {
                Console.WriteLine("Error during conversion: " + e.Message);
            }
        }
    }
}