private void dgvDanhSach_CellContentClick(object sender, DataGridViewCellEventArgs e)
{
if (dgvDanhSach.Rows.Count == e.RowIndex + 1 || e.RowIndex == -1)
{
return;
}
int id = Convert.ToInt32(dgvDanhSach.Rows[e.RowIndex].Cells["colMa"].Value.ToString());
if (e.ColumnIndex == dgvDanhSach.Columns["colSua"].Index)
{
frmSuaHS f = new frmSuaHS(id);
f.ShowDialog();
loadDuLieu();
}
else if (e.ColumnIndex == dgvDanhSach.Columns["colXoa"].Index)
{
int ketQua = HocSinhControl.xoaThongTin(id);
if (ketQua <= 0)
{
MessageBox.Show("Thực hiện thất bại");
}
else
{
loadDuLieu();
}
}
else if (e.ColumnIndex == dgvDanhSach.Columns["colChiTiet"].Index)
{
frmDiemHS frm = new frmDiemHS(id);
frm.ShowDialog();
}
}
private void btnXoa_Click(object sender, EventArgs e)
{
int ketQua = 0;
for (int i = 0; i < dgvDanhSach.Rows.Count - 1; ++i)
{
if (Convert.ToBoolean(dgvDanhSach.Rows[i].Cells["colCheck"].Value.ToString()))
{
ketQua += HocSinhControl.xoaThongTin(Convert.ToInt32(dgvDanhSach.Rows[i].Cells["colMa"].Value.ToString()));
}
}
if (ketQua > 0)
{
MessageBox.Show("xóa thành công " + ketQua);
loadDuLieu();
}
else
{
MessageBox.Show("xóa thất bại");
}
}