Can't insert data to mysql. HELPPPPPPPP

[rach.palo]

private void cmdsecadd_Click(object sender, EventArgs e)
        {
            try
            {

            string myConnection = "server=localhost;  port=3306; username=root; password=palo; database= student";
            MySqlConnection myConn = new MySqlConnection(myConnection);
            myConn.Open();
            MySqlCommand cmd = new MySqlCommand("insert into student.tblstudlog (studentnumber, fullname, year, section) values ('" + this.txtstudno.Text + "', '" + this.txtfullname.Text + "','" + this.txtyear.Text + "','" + this.txtsection.Text + "';", myConn);
            myConn.Close();
      }

      catch (MySqlException ex)
      {

          MessageBox.Show("Can't connect to database\n" + ex.ToString());
      }