private void btnCopySheet_Click(object sender, EventArgs e)
{
ExcelBinder excelbinder = new ExcelBinder();
excelbinder.NewDocument();
excelbinder.Visible = true;
excelbinder.RenameSheet(3, "RenameTest1");
excelbinder.SetActiveWorkSheet(3);
excelbinder.SetValue("A1", "Renamed Test Sheet");
excelbinder.sheetCopy("RenameTest1", "CopyedTest2");
excelbinder.SetActiveWorkSheet("CopyedTest2");
excelbinder.SetValue("A1", "Copyed Test Sheet");
excelbinder.SaveAsDocument(Path.Combine(Environment.CurrentDirectory, "testcopyheet.xls"));
excelbinder.CloseDocument();
excelbinder.QuitDocument();
}