private void button2_Click(object sender, EventArgs e)
{
SqlConnection con = new SqlConnection();
con.ConnectionString = KetNoi.str;
con.Open();
SqlCommand cmd1 = new SqlCommand();
SqlCommand cmd2 = new SqlCommand();
cmd1.Connection = con;
cmd2.Connection = con;
cmd1.CommandText = "DELETE FROM KetQua Where ID_SinhVien='" + txtmsv.Text + "'";
cmd2.CommandText = "DELETE FROM SinhVien Where SinhVien_ID='" + txtmsv.Text + "'";
DialogResult result;
result = MessageBox.Show("BẠN CÓ MUỐN THAY XÓA THÔNG TIN KHÔNG?", "THÔNG BÁO", MessageBoxButtons.YesNo, MessageBoxIcon.Question);
if (result == DialogResult.Yes)
{
cmd1.ExecuteNonQuery();
cmd2.ExecuteNonQuery();
MessageBox.Show("XÓA THÀNH CÔNG", "THÔNG BÁO");
}
con.Close();
this.Close();
frmDSSV frm = new frmDSSV(Lop_ID);
frm.Show();
}
private void button2_Click(object sender, EventArgs e)
{
this.Close();
frmDSSV frm = new frmDSSV(Lop_ID);
frm.Show();
}
private void btnDS_Click(object sender, EventArgs e)
{
SqlConnection con = new SqlConnection();
con.ConnectionString = KetNoi.str;
con.Open();
SqlCommand cmd = new SqlCommand();
cmd.Connection = con;
string TenLop;
TenLop = cboDSLop.SelectedItem.ToString();
cmd.CommandText = "SELECT Lop_ID FROM Lop WHERE TenLop='" + TenLop + "'";
SqlDataReader rd;
rd = cmd.ExecuteReader();
DataTable td = new DataTable();
td.Load(rd);
string MaLop;
MaLop = td.Rows[0][0].ToString();
con.Close();
frmDSSV frmDS = new frmDSSV(MaLop);
frmDS.Show();
this.Close();
}
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;
int sex;
if (radioButton1.Checked == true)
{
sex = 0;
}
else
{
sex = 1;
}
string TenLop = cbxLop.SelectedItem.ToString();
cmd.CommandText = "select* from Lop where TenLop ='" + TenLop + "'";
SqlDataReader rd;
rd = cmd.ExecuteReader();
DataTable td = new DataTable();
td.Load(rd);
string MaLop = td.Rows[0][0].ToString();
cmd.CommandText = "UPDATE SinhVien SET TenSinhVien='" + txttsv.Text + "',GioiTinh=" + sex + ",NgaySinh='" + mskns.Text + "',NoiSinh='" + txtnois.Text + "',NoiOHienTai='" + txttt.Text + "',KhoaHoc='" + txtkh.Text + "',LyLich='" + txtll.Text + "',ID_Lop='" + MaLop + "',HinhAnh='" + hinhanh + "'WHERE SinhVien_ID='" + txtmsv.Text + "'";
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();
this.Close();
frmDSSV frm = new frmDSSV(Lop_ID);
frm.Show();
}
