private void btnImport_Click(object sender, EventArgs e)
{
ExportExcel ee = new ExportExcel();
if (!string.IsNullOrEmpty(txtFile.Text))
{
dsStudent = ee.ExcelToDS(txtFile.Text);
StudentBind();
}
}
private void btnExport_Click(object sender, EventArgs e)
{
if (Marks != null)
{
ExportExcel ee = new ExportExcel();
ee.ExportToExcel(cmbClass.ClassID+"��������ʳɼ�", DateTime.Now.ToShortDateString(), GridViewMark);
}
else
{
MessageBox.Show("û�����ݣ����ܵ���");
return;
}
}