How to bind selected row in a listview to a new form(or existing form) in c# windows forms

Hi Everyone

My name is vishal. For the past one week i have been trying to figure out how to bind selected row of a list view to a new form.

I have done some coding here but when i double click on the list view it shows the first data in the table in a new form. It does not show current selected row in a new form.

 public partial class Patient : Form
    {
 private string conString = "Data Source=NPD-4\\SQLEXPRESS;Initial Catalog=Tuscan21;Integrated Security=true";
        private DataSet dataset;
      private string selectString="Select p.patient_id as patient_id,p.patient_dob as patient_dob,n.patient_first_name as patient_fname,n.patient_middle_name as patient_mname,n.patient_last_name as patient_lname,p.patient_sex as patient_sex,n.virology as virology,a.apartment_name as apartment_name,a.door_number as door_number,a.street_name_1 as street_name_1,a.street_name_2 as street_name_2,a.street_name_3 as street_name_3,a.village as village,a.city as city,a.state as state,a.country as country,a.apartment_number as apartment_number,a.pincode as pincode from PATIENT_NAME n,PATIENT_ID p,ADDRESS a where n.patient_id=p.patient_id and a.patient_id=p.patient_id";

public void loadPatient(string mpatientID)
        {
            button1.Text = "Save";
            SqlConnection conn = new SqlConnection(conString);
            SqlDataAdapter dap = new SqlDataAdapter(selectString, conn);
            dataset = new DataSet();
            dap.Fill(dataset, "PATIENT_NAME");
            dap.Fill(dataset, "PATIENT_ID");
            dap.Fill(dataset, "ADDRESS");
            txtFname.DataBindings.Add("Text", dataset, "PATIENT_NAME.patient_fname");
            txtMname.DataBindings.Add("Text", dataset, "PATIENT_NAME.patient_mname");
            txtLname.DataBindings.Add("Text", dataset, "PATIENT_NAME.patient_lname");
            cboVirology.DataBindings.Add("Text", dataset, "PATIENT_NAME.virology");
            cboSex.DataBindings.Add("Text", dataset, "PATIENT_ID.patient_sex");
            dtDOB.DataBindings.Add("Text", dataset, "PATIENT_ID.patient_dob");
            txtApartmentNo.DataBindings.Add("Text", dataset, "ADDRESS.apartment_number");
            txtApartmentName.DataBindings.Add("Text", dataset, "ADDRESS.apartment_name");
            txtDoorNo.DataBindings.Add("Text", dataset, "ADDRESS.door_number");
            txtStreet1.DataBindings.Add("Text", dataset, "ADDRESS.street_name_1");
            txtStreet2.DataBindings.Add("Text", dataset, "ADDRESS.street_name_2");
            txtStreet3.DataBindings.Add("Text", dataset, "ADDRESS.street_name_3");
            txtVillageArea.DataBindings.Add("Text", dataset, "ADDRESS.village");
            txtCity.DataBindings.Add("Text", dataset, "ADDRESS.city");
            txtState.DataBindings.Add("Text", dataset, "ADDRESS.state");
            txtPostalCode.DataBindings.Add("Text", dataset, "ADDRESS.pincode");
            txtCountry.DataBindings.Add("Text", dataset, "ADDRESS.country");

        }

The above code is in my form(Patient) with method/function public void loadPatient(string mpatientID)

The below code is from my another form Searchpatient.

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;
using System.Configuration;
using System.Linq;
namespace DRRS_in_Csharp
{
    public partial class Searchpatient : Form
    {
        public Searchpatient()
        {
            InitializeComponent();
            this.lstSearch.DoubleClick += new System.EventHandler(this.lstSearch_DoubleClick);
        }
        private void btnSearch_Click(object sender, EventArgs e)
        {
            SqlConnection conn = new SqlConnection("Data Source=NPD-4\\SQLEXPRESS;Initial Catalog=Tuscan21;Integrated Security=true");
            lstSearch.Items.Clear();
            DataTable dt = new DataTable();
            SqlCommand cmd=new SqlCommand();
            DataSet ds;
            SqlDataAdapter adp = new SqlDataAdapter();
            lstSearch.Columns.Add("ID",100, HorizontalAlignment.Left);
            lstSearch.Columns.Add("DOB",95, HorizontalAlignment.Center);
            lstSearch.Columns.Add("NAME",180, HorizontalAlignment.Center);
            lstSearch.Columns.Add("SEX", 60, HorizontalAlignment.Right);
            lstSearch.Visible = true;
            lstSearch.View = View.Details;
            lstSearch.GridLines = true;
            if (txtPatientID.Text.Trim() != "")
            {
                cmd = new SqlCommand("Select p.patient_id as patient_id,p.patient_dob as patient_dob,n.patient_first_name+' '+n.patient_middle_name+' '+n.patient_last_name as patient_name,p.patient_sex as patient_sex from PATIENT_NAME n,PATIENT_ID p where p.patient_id=n.patient_id and n.patient_id=" + txtPatientID.Text.Trim() + "", conn);
                adp = new SqlDataAdapter(cmd);
                ds = new DataSet();
                adp.Fill(ds,"PATIENT_NAME"+"PATIENT_ID");
                dt = ds.Tables["PATIENT_NAME" + "PATIENT_ID"];
            }
            else if(txtName.Text.Trim() != "")
            {
                cmd = new SqlCommand("Select p.patient_id as patient_id,p.patient_dob as patient_dob,n.patient_first_name+' '+n.patient_middle_name+' '+n.patient_last_name as patient_name,p.patient_sex as patient_sex from PATIENT_NAME n,PATIENT_ID p where p.patient_id=n.patient_id and ((n.patient_first_name like '%" + (txtName.Text.Trim()) + "%') or (n.patient_middle_name like '%" + (txtName.Text.Trim()) + "%') or (n.patient_last_name like '%" + (txtName.Text.Trim()) + "%'))", conn);
                adp = new SqlDataAdapter(cmd);
                ds = new DataSet();
                adp.Fill(ds, "PATIENT_NAME" + "PATIENT_ID");
                dt = ds.Tables["PATIENT_NAME" + "PATIENT_ID"];
            }
            else if (dtDOB.Tag != null)
            {
                cmd = new SqlCommand("Select p.patient_id as patient_id,p.patient_dob as patient_dob,n.patient_first_name+' '+n.patient_middle_name+' '+n.patient_last_name as patient_name,p.patient_sex as patient_sex from PATIENT_NAME n,PATIENT_ID p where n.patient_id=p.patient_id and p.patient_dob="+dtDOB.Value+"", conn);
                adp = new SqlDataAdapter(cmd);
                ds = new DataSet();
                adp.Fill(ds, "PATIENT_NAME" + "PATIENT_ID");
                dt = ds.Tables["PATIENT_NAME" + "PATIENT_ID"];
            }
            for (int i = 0; i < dt.Rows.Count; i++)
            {
                lstSearch.Items.Add(dt.Rows[i].ItemArray[0].ToString());
                lstSearch.Items[i].SubItems.Add(dt.Rows[i].ItemArray[1].ToString());
                lstSearch.Items[i].SubItems.Add(dt.Rows[i].ItemArray[2].ToString());
                lstSearch.Items[i].SubItems.Add(dt.Rows[i].ItemArray[3].ToString());

               

            }

        }

In the above code lstSearch is name of my listview. For list view double click event i have done some coding .

private void lstSearch_DoubleClick(object sender, EventArgs e)
        {
            string vFieldNameStr;
            vFieldNameStr ="";
            Patient p = new Patient();
            p.loadPatient(vFieldNameStr);
            p.Show();
        }

During run-time when i double click on my listview it shows first entry in my table in database.

Can anyone help me please to how to solve my problem. Any help would be appreciated.