private void button3_Click(object sender, EventArgs e)
{
string MaSV;
string TenSV;
MaSV = txtmsv.Text;
TenSV = txttsv.Text;
frmsuakqSV frmsua = new frmsuakqSV(MaSV, TenSV);
frmsua.Show();
}
private void button1_Click(object sender, EventArgs e)
{
SqlConnection con = new SqlConnection();
con.ConnectionString = KetNoi.str;
con.Open();
SqlCommand cmd = new SqlCommand();
cmd.Connection = con;
string TenMonHoc = cbxMonHoc.SelectedItem.ToString();
cmd.CommandText = "select * from MonHoc where TenMonHoc='" + TenMonHoc + "'";
SqlDataReader rd;
rd = cmd.ExecuteReader();
DataTable td = new DataTable();
td.Load(rd);
string MaMonHoc = td.Rows[0][0].ToString();
int LanThi;
LanThi = Convert.ToInt16(txtLanThi.Text);
double DiemThi;
DiemThi = Convert.ToDouble(txtDiemThi.Text);
double TongKet;
TongKet = Convert.ToDouble(txtTongKet.Text);
cmd.CommandText = "UPDATE KetQua SET LanThi=" + LanThi + ",DiemThi=" + DiemThi + ",DiemTongKet=" + TongKet + " WHERE ID_SinhVien='" + MaSV + "' AND ID_MonHoc='" + MaMonHoc + "'";
DialogResult result;
result = MessageBox.Show("BẠN CÓ MUỐN THAY ĐỔI THÔNG TIN KHÔNG?", "THÔNG BÁO", MessageBoxButtons.YesNo, MessageBoxIcon.Question);
if (result == DialogResult.Yes)
{
cmd.ExecuteNonQuery();
MessageBox.Show("CẬP NHẬT THÀNH CÔNG", "THÔNG BÁO");
}
con.Close();
Close();
frmsuakqSV frmsua = new frmsuakqSV(MaSV, TenSV);
frmsua.Show();
}