private void btReport_Click(object sender, EventArgs e)
{
try
{
frmXuatDanhSachLop frm = new frmXuatDanhSachLop();
frm.ShowDialog();
}
catch (Exception)
{
MessageBox.Show("Chưa chọn lớp");
return;
}
}
private void inDanhSáchLớpToolStripMenuItem1_Click(object sender, EventArgs e)
{
frmXuatDanhSachLop frm = new frmXuatDanhSachLop();
frm.ShowDialog();
}
private void btnIn_Click(object sender, EventArgs e)
{
frmXuatDanhSachLop frm = new frmXuatDanhSachLop();
frm.ShowDialog();
}