private static void ImportCsvDocument(Application a, CsvDocument csvDocument)
{
var tempCsvFile = GetTempCsvFile();
try
{
csvDocument.Save(tempCsvFile);
var targetSheet = a.Workbooks.Add().ActiveSheet;
a.ScreenUpdating = false;
try
{
var workbook = a.Workbooks.Open(tempCsvFile);
try
{
Range range = workbook.Sheets[1].Range("A1");
range.CurrentRegion.Copy(targetSheet.Range("A1"));
}
finally
{
workbook.Close(false);
}
}
finally
{
a.ScreenUpdating = true;
}
}
finally
{
File.Delete(tempCsvFile);
}
}
public static CsvDocument FromExcel(string fileName)
{
AssertExcelIsInstalled();
var csvFileName = GetTempCsvFile();
var xlsxFileName = fileName;
try
{
ConvertToCsv(csvFileName, xlsxFileName);
return(CsvDocument.Load(csvFileName));
}
finally
{
File.Delete(csvFileName);
}
}
public static void SaveToExcel(this CsvDocument csvDocument, string fileName)
{
AssertExcelIsInstalled();
var a = new Application();
try
{
a.DisplayAlerts = false;
LoadCsvDocument(a, csvDocument);
a.ActiveWorkbook.SaveAs(fileName, XlFileFormat.xlOpenXMLWorkbook, CreateBackup: false);
}
finally
{
a.Quit();
Marshal.ReleaseComObject(a);
}
}
public static void ViewInExcel(this CsvDocument csvDocument)
{
AssertExcelIsInstalled();
var a = new Application();
try
{
a.DisplayAlerts = false;
LoadCsvDocument(a, csvDocument);
}
finally
{
a.Visible = true;
a.DisplayAlerts = true;
Marshal.ReleaseComObject(a);
}
}
private static void LoadCsvDocument(Application a, CsvDocument csvDocument)
{
ImportCsvDocument(a, csvDocument);
FormatAsTable(a);
SelectFirstCell(a);
}