Retrive Email of a User using Id in C# and SQL Server

Code in C# to retrive email address of a User with given id.

You can use @ to avoid special characters in string

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.Data.SqlClient;
namespace DatabaseApp
{
    public partial class Form1 : Form
    {
        // SQL Connection
        SqlConnection scon = new SqlConnection(@"Data Source=DESKTOP-OKJGB88\SQLEXPRESS;Initial Catalog=bscs;Integrated Security=True");
        private SqlCommand scom;
        public Form1()
        {
            InitializeComponent();
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            // Write a SQL command for retriving email of given id
            scom = new SqlCommand("Select email from Contacts WHERE id=@id", scon);
            scom.Parameters.AddWithValue("@id", 2);
            scon.Open();
            String email = scom.ExecuteScalar().ToString();
            MessageBox.Show("Email is: " + email);
        }
    }
}