private void btnExport_Click(object sender, EventArgs e)
{
ExcelExport export = new ExcelExport();
export.export2ExcelSpecial(dtgvDSPhat, @"C:\Users\Dell7559\Desktop\", "DataPhat");
}
private void btnIn_Click(object sender, EventArgs e)
{
ExcelExport export = new ExcelExport();
export.export2Excel(dtgvNhanVien, @"C:\Users\Dell7559\Desktop\", "dataTest");
}
