string str = @"Data Source=CJ;Initial Catalog=XSCJ;Integrated Security=True";
SqlConnection conn = new SqlConnection(str);
conn.Open();
string selectsql = "insert into Student values('" + textBox1.Text + "','" + textBox2.Text + "','" + textBox3.Text + "','" + textBox4.Text + "','" + textBox5.Text + "','" + textBox6.Text + "','" + textBox7.Text + "','" + textBox8.Text + "')";
SqlCommand cmd = new SqlCommand(selectsql, conn);
cmd.CommandType = CommandType.Text;
SqlDataReader sdr;
sdr = cmd.ExecuteReader();
conn.Close();
//UpdataForm udform = new UpdataForm();
this.DialogResult = System.Windows.Forms.DialogResult.OK;
MessageBox.Show("添加成功");