What's the error in this program?

public static string Insert_Data(int code, string userName, string englishName, string country)
{
    SqlConnection conn = new SqlConnection(ConfigurationManager.ConnectionStrings["myConnectionString"].ConnectionString);
    try
    {
        conn.Open();
        SqlCommand cmd = new SqlCommand("Insert into hazem (Code,UserName,EnglishName) values (@code,@userName,@englishName)", conn);
        SqlCommand cmd2 = new SqlCommand("Insert into country (CountryName) values (@country)", conn);

        cmd2.CommandType = CommandType.Text;
        cmd2.Parameters.AddWithValue("@country", country);




        cmd.CommandType = CommandType.Text;
        cmd.Parameters.AddWithValue("@code", code);
        cmd.Parameters.AddWithValue("@userName", userName);
        cmd.Parameters.AddWithValue("@englishName", englishName);



        cmd.ExecuteNonQuery();
        cmd2.ExecuteNonQuery();


        conn.Close();

        return "Success";


    }

    catch (Exception ex)
    {
        return "failure";
    }
}