Convert HTML to Excel XLS XLSX in C# | Webpage to Excel

HTML-to-Excel-Advance.cs

// Load the source HTML file
using (Converter converter = new Converter("input.html"))
{
    // Set the convert options for XLS format
    GroupDocs.Conversion.Options.Convert.SpreadsheetConvertOptions options = new GroupDocs.Conversion.Options.Convert.SpreadsheetConvertOptions()
    {
        PagesCount = 1,
        Format = GroupDocs.Conversion.FileTypes.SpreadsheetFileType.Xls
    };

    // Convert HTML to XLS format
    converter.Convert("HTMLtoXLS.xls", options);
}

HTML-to-XLSX.cs

// Load the source HTML file
using (Converter converter = new Converter("sample.html"))
{
    // Set the convert options for Excel format
    GroupDocs.Conversion.Options.Convert.SpreadsheetConvertOptions options = new GroupDocs.Conversion.Options.Convert.SpreadsheetConvertOptions();

    // Convert HTML to XLSX format
    converter.Convert("HTMLtoXLSX.xlsx", options);
}