data retrieving 2

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Data.SqlClient;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace WindowsFormsApplication1
{
    public partial class Form2 : Form
    {
        public Form2()
        {
            InitializeComponent();
        }

        private void button1_Click(object sender, EventArgs e)
        {

            SqlConnection con = new SqlConnection(@"Data Source=(LocalDB)\v11.0;AttachDbFilename=c:\users\codem\documents\visual studio 2012\Projects\WindowsFormsApplication1\WindowsFormsApplication1\Database1.mdf;Integrated Security=True");
            SqlCommand cmd;
            con.Open();
            cmd = new SqlCommand("select * from kkkk", con);
            SqlDataAdapter sda = new SqlDataAdapter(cmd);
            DataTable dt = new DataTable();
            sda.Fill(dt);
            foreach(DataRow dr in dt.Rows)
            {
                int i =Convert.ToInt32(txtrow.Text) ;
                if(dt.Rows[i]!=null)
                {
                    label1.Text = dt.Rows[i]["name1"].ToString();
                    label2.Text = dt.Rows[i]["name2"].ToString();
                }
                break;

            }
            cmd.ExecuteNonQuery();
           
            con.Close();
           
        }

        private void Form2_Load(object sender, EventArgs e)
        {

        }
    }
}