help coding runescape

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Data.SqlClient;
using System.Configuration;
using System.Web.UI.WebControls;

/// <summary>
/// Summary description for AccountDetails
/// </summary>
public class AccountDetails
{
    string _connStr = ConfigurationManager.ConnectionStrings["CreateAccount"].ConnectionString;
    private string _UserName;
    private string _Password;
    private string _Dob;
    private string _Email;
    private string _Gender;


    public AccountDetails()
    {

    }
    //overloaded class constructor with 4 parameters
    public AccountDetails(string p_UserName, string p_Password, string p_Dob, string p_Gender, string p_Email)
    {
        this.UserName = p_UserName;
        this.Password = p_Password;
        this.Dob = p_Dob;
        this.Gender = p_Gender;
        this.Email = p_Email;
    }



    public int CreateAccount()
    {
        string msg = null;
        int result = 0;
        string queryStr = "INSERT INTO Accountdetails(Username,Password,Dob,Gender,Email)"
            + "values (@UserName,@Password,@Dob , @Gender, @Email)";

        SqlConnection conn = new SqlConnection(_connStr);

        SqlCommand cmd = new SqlCommand(queryStr, conn);

        cmd.Parameters.AddWithValue("@UserName", this.UserName);
        cmd.Parameters.AddWithValue("@Password", this.Password);
        cmd.Parameters.AddWithValue("@Dob", this.Dob);
        cmd.Parameters.AddWithValue("@Gender", this.Gender);
        cmd.Parameters.AddWithValue("@Email", this.Email);
        conn.Open();
        result += cmd.ExecuteNonQuery(); // Returns no. of rows affected. Must be > 0
        conn.Close();
        return result;

    }




    //public class properties, accessing from outside the class is possible
    public string UserName
    {
        get { return _UserName; }
        set { _UserName = value; }
    }
    public string Password
    {
        get { return _Password; }
        set { _Password = value; }
    }
    public string Dob
    {
        get { return _Dob; }
        set { _Dob = value; }
    }
    public string Gender
    {
        get { return _Gender; }
        set { _Gender = value; }
    }
    public string Email
    {
        get { return _Email; }
        set { _Email = value; }
    }
}


this is the code im using