MySQL Error

You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'order (service,price,billno,dates) VALUES ('WASH (L)','13','BILL-00002','2015-11' at line 1


string a,b;
                foreach (DataGridViewRow row in dataGridView1.Rows)
                {

                    a = dataGridView1.Rows[row.Index].Cells["Service"].Value + "";
                    b = dataGridView1.Rows[row.Index].Cells["Price"].Value + "";

                    string query1 = "INSERT INTO order (service,price,billno,dates) VALUES (@1,@2,@3,@4)";
                    MySqlCommand cmd1 = new MySqlCommand(query1, con);
                    cmd1.Parameters.AddWithValue("@1", a);
                    cmd1.Parameters.AddWithValue("@2", b);
                    cmd1.Parameters.AddWithValue("@3", label15.Text);
                    cmd1.Parameters.AddWithValue("@4", label17.Text);
                    cmd1.ExecuteNonQuery();

                }
                con.Close();