gcSpreadSheet1.Sheets[0].ColumnHeader.Columns[0].Label = "Label";
gcSpreadSheet1.Sheets[0].Cells[0, 0, 2, 2].Text = "test";
gcSpreadSheet1.Invalidate();
private void button1_Click(object sender, RoutedEventArgs e)
{
//gcSpreadSheet1.SaveExcel("c:\\zipfile\\test.xlsx", GrapeCity.Windows.SpreadSheet.Data.ExcelFileFormat.XLSX);
//gcSpreadSheet1.SaveExcel("c:\\zipfile\\test.xlsx", GrapeCity.Windows.SpreadSheet.Data.ExcelFileFormat.XLSX, "1NaMe5");
//gcSpreadSheet1.SaveExcel("c:\\zipfile\\test.xlsx", GrapeCity.Windows.SpreadSheet.Data.ExcelFileFormat.XLSX, GrapeCity.Windows.SpreadSheet.Data.ExcelSaveFlags.SaveBothCustomRowAndColumnHeaders);
gcSpreadSheet1.SaveExcel("c:\\zipfile\\test.xlsx", GrapeCity.Windows.SpreadSheet.Data.ExcelFileFormat.XLSX, GrapeCity.Windows.SpreadSheet.Data.ExcelSaveFlags.SaveBothCustomRowAndColumnHeaders, "1NaMe5");
gcSpreadSheet1.Invalidate();
}