SqlException (0x80131904): Line 28: Incorrect syntax near '('.]

MySqlConnection con = new MySqlConnection("SERVER=192.168.3.1;DATABASE=mysar;UID=root;PASSWORD=xxxx;");
SqlConnection sqlcon = new SqlConnection("Data Source=RMS;Initial Catalog=TestMySQLLinuxProxyServer;Integrated Security=True");
sqlcon.Open();
try
{
    con.Open();
    MessageBox.Show("Connection is established");
    MySqlCommand cmd = new MySqlCommand("select * from mysar.traffic", con);
    MySqlDataReader datareader = cmd.ExecuteReader();
    string[] s = new string[10];
    int i = 0;
    string tempstring;
    while (datareader.Read())
    {
        //list[0].Add(dataReader["id"] + "");
        ////id,ip,description,isResolved,hostname
        //hostnames[0].Add(datareader["id"] + "");
        //hostnames[1].Add(datareader["ip"]+ "");
        //hostnames[2].Add(datareader["description"] + "");
        //hostnames[3].Add(datareader["isResloved"] + "");
        //hostnames[4].Add(datareader["hostname"] + "");
        //MessageBox.Show(hostnames[0].ToString());
        
        int j = 0;
        for (i = 0; i < datareader.FieldCount; i++)
        {
            //MessageBox.Show(datareader[i].ToString());
            tempstring = datareader[i].ToString();
            s[j] = tempstring;
            j++;
            if ((i % 9) == 0 && i != 0)
            {
                //MessageBox.Show(s[0]+s[1]+s[2]+s[3]+s[4]);
                SqlCommand sqlcmd = new SqlCommand("insert into traffic values('" + @s[0] + "','" + @s[1] + "','" + @s[2] + "','" + @s[3] + "','" + @s[4] + "','" + @s[5] + "','" + @s[6] + "','" + @s[7] + "','" + @s[8] + "','" + @s[9] + "')", sqlcon);
                sqlcmd.ExecuteNonQuery();
                j = 0;
            }
            //MessageBox.Show(s[i].ToString());
        }
    }
    MessageBox.Show(datareader.FieldCount.ToString());
    sqlcon.Close();
    datareader.Close();
    con.Close();
    MessageBox.Show(s[0]);
    
    //List< string >[] list = new List< string >[3];
}
catch (Exception ex12)
{
    MessageBox.Show(ex12.ToString());
}