public static void Main(string[] args)
{
Console.WriteLine("Iniciando programa...");
string path = Environment.GetFolderPath(Environment.SpecialFolder.Desktop); // obtiene la ruta del escritorio del usuario en sesion
Console.Write("Indique el nombre de archivo (Formato .xlsx) ubicado en su escritorio: ");
string fileName = Console.ReadLine();
if (fileName.Remove(0, fileName.Length - 4) == ".xlsx") // si es formato ".xlsx" entra
{
using (var stream = File.OpenRead(path + "/" + fileName))
using (var importer = new ExcelImporter(stream))
{
ExcelSheet sheet = importer.ReadSheet();
Event[] events = sheet.ReadRows <Event>().ToArray();
Console.WriteLine(events[0].Name); // Pub Quiz
Console.WriteLine(events[1].Name); // Live Music
Console.WriteLine(events[2].Name); // Live Football
}
}
else
{
Console.WriteLine("Solo archivos de formato .xlsx");
}
Console.ReadKey();
}
public static IEnumerable <TEntity> Load <TEntity, TConfiguration>(byte[] content) where TConfiguration : ExcelClassMap <TEntity>, new()
{
IEnumerable <TEntity> entities;
try
{
using (var ms = new MemoryStream(content))
using (var importer = new ExcelImporter(ms))
{
var index = GetHeadingIndex(content);
if (index < 0)
{
throw new InvalidDataException("The file does not contain data-sheet data.");
}
importer.Configuration.RegisterClassMap <TConfiguration>();
var sheet = importer.ReadSheet();
sheet.HeadingIndex = index;
entities = sheet.ReadRows <TEntity>().ToList();
}
}
catch (Exception ex)
{
var message = $"Cannot load collection of {typeof(TEntity).Name} type from the give file stream.";
throw new ImportFormatException(message, ex);
}
return(entities);
}
public void Ctor_Stream()
{
using (var stream = Helpers.GetResource("Primitives.xlsx"))
using (var importer = new ExcelImporter(stream))
{
Assert.Equal("Primitives", importer.ReadSheet().Name);
}
}
public void Ctor_IExcelDataReader()
{
using (var stream = Helpers.GetResource("Primitives.xlsx"))
using (var reader = ExcelReaderFactory.CreateReader(stream))
using (var importer = new ExcelImporter(reader))
{
Assert.Equal("Primitives", importer.ReadSheet().Name);
}
}
private List <MuncipalityTaxDto> ReadTaxesFromLocalFile(string fileLocalPath)
{
System.Text.Encoding.RegisterProvider(System.Text.CodePagesEncodingProvider.Instance);
using var stream = System.IO.File.OpenRead(fileLocalPath);
using var importer = new ExcelImporter(stream);
ExcelSheet sheet = importer.ReadSheet();
var taxes = sheet.ReadRows <MuncipalityTaxDto>().ToArray().ToList();
return(taxes);
}
public void OptionalNoSuchValueMap()
{
using var original = Helpers.GetResource("VeryLargeSheet.xlsx");
var importer = new ExcelImporter(original);
importer.Configuration.RegisterClassMap <OptionalDataWithMissingValueClassMap>();
ExcelSheet sheet = importer.ReadSheet();
foreach (object value in sheet.ReadRows <DataClassWithMissingValue>())
{
}
}
public void DefaultMap()
{
using var original = Helpers.GetResource("VeryLargeSheet.xlsx");
var importer = new ExcelImporter(original);
importer.Configuration.RegisterClassMap <DataClassMap>();
ExcelSheet sheet = importer.ReadSheet();
foreach (object value in sheet.ReadRows <DataClass>())
{
}
}
public async Task <IActionResult> Upload(File file)
{
if (file.FormFile.Length > 0)
{
using var importer = new ExcelImporter(file.FormFile.OpenReadStream());
ExcelSheet sheet = importer.ReadSheet();
var books = sheet.ReadRows <Book>().ToList();
_context.AddRange(books);
await _context.SaveChangesAsync();
}
return(RedirectToAction("Index"));
}
