using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Data.SQLite;

namespace sqllit
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            SQLiteConnection conn=new SQLiteConnection();
            SQLiteCommand cmd;
            SQLiteDataReader dr;

            conn.ConnectionString = "Data Source=c:\\temp\\mdb2sql_all.db3";
            conn.Open();

            string _sql = "select djh from zd_zjb where lzzjrxm is null group by djh intersect select djh from zd_zjb where lzzjrxm is not null group by djh";
            cmd=new SQLiteCommand(_sql,conn);
            dr=cmd.ExecuteReader();
            while (dr.Read())
            {
                listBox1.Items.Insert(0,dr.GetString(0));
                //Application.DoEvents();
            }
        }
    }
}