private void btnThem_Click(object sender, EventArgs e)
{
if (txtMaSV.Text.Trim() == "")
{
MessageBox.Show("Trống", "Lỗi", MessageBoxButtons.OK, MessageBoxIcon.Error); return;
}
if (txtHoTen.Text.Trim() == "")
{
MessageBox.Show("Trống", "Lỗi", MessageBoxButtons.OK, MessageBoxIcon.Error); return;
}
if (txtLop.Text.Trim() == "")
{
MessageBox.Show("Trống", "Lỗi", MessageBoxButtons.OK, MessageBoxIcon.Error); return;
}
if (txtNgaySinh.Text.Trim() == "")
{
MessageBox.Show("Trống", "Lỗi", MessageBoxButtons.OK, MessageBoxIcon.Error); return;
}
if (txtDiemTk.Text.Trim() == "")
{
MessageBox.Show("Trống", "Lỗi", MessageBoxButtons.OK, MessageBoxIcon.Error); return;
}
bool GT = false;
if (ckNam.Checked)
{
GT = true;
}
DateTime ns = DateTime.Parse(txtNgaySinh.Text.Trim());
double diemtk = double.Parse(txtDiemTk.Text.Trim());
lst = SinhVienCotroller.addInList(lst, txtMaSV.Text.Trim(), txtHoTen.Text.Trim(), ns, GT, txtLop.Text.Trim(), diemtk);
SinhVienCotroller.GhiFile(Tenfle, lst);
lst = SinhVienCotroller.docFile(Tenfle);
Hienthi();
}
private void frmMain_Load(object sender, EventArgs e)
{
lst = SinhVienCotroller.docFile(Tenfle);
Hienthi();
}