sql query

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="WebForm6.aspx.cs" Inherits="Insert_data_confirmation.WebForm6" %>





   


   

   

       
       
   

   

using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;
using System.Data.SqlClient;
namespace Insert_data_confirmation
{
    public partial class WebForm6 : System.Web.UI.Page
    {
        string strConnString = ConfigurationManager.ConnectionStrings["ConnectionString"].ConnectionString;
        string str;
        SqlCommand com;

        protected void Page_Load(object sender, EventArgs e)
        {
          
            if (!IsPostBack)
            {
                DropDownList_country.Items.Add(new ListItem("--Select--", "0"));
                country2();
                country1();
            } 
        }

        void country1()
        {
            SqlConnection con = new SqlConnection(strConnString);
            con.Open();
            str = "select * from tab1 where country_name!='india' ";
            com = new SqlCommand(str, con);
            SqlDataReader reader = com.ExecuteReader();
            while (reader.Read())
            {
                DropDownList_country.Items.Add(reader["country_name"].ToString());
            }
            reader.Close();
            con.Close();
        }

        void country2()
        {
            SqlConnection con = new SqlConnection(strConnString);
            con.Open();
            str = "select * from tab1 where country_name='india' ";
            com = new SqlCommand(str, con);
            SqlDataReader reader = com.ExecuteReader();
            while (reader.Read())
            {
                DropDownList_country.Items.Add(reader["country_name"].ToString());
            }
            reader.Close();
            con.Close();
        }
    }
}