引入SQLlite.dll

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

namespace sqllite
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }
       //创建数据库 
        
        bool CreatDb() {
            string dbPath = "./test.db";
            try
            {
               
                SQLiteConnection.CreateFile(dbPath);
                return true;
            }
            catch (Exception ex)
            {
                throw new Exception("新建数据库文件" + dbPath + "失败：" + ex.Message);
            }
        }
        //创建新表
        static public void NewTable(string dbPath, string tableName)
        {

            SQLiteConnection sqliteConn = new SQLiteConnection("data source=" + dbPath);
            if (sqliteConn.State != System.Data.ConnectionState.Open)
            {
                sqliteConn.Open();
                SQLiteCommand cmd = new SQLiteCommand();
                cmd.Connection = sqliteConn;
                cmd.CommandText = "CREATE TABLE " + tableName + "(Name varchar,Team varchar)";
                cmd.ExecuteNonQuery();
            }
            sqliteConn.Close();
        }
        //插入数据
        void insert(String sql,String dbPath) {
            SQLiteConnection sqliteConn = new SQLiteConnection("data source=" + dbPath);
            if (sqliteConn.State != ConnectionState.Open)
            {
                sqliteConn.Open();
                SQLiteCommand cmd = new SQLiteCommand();
                cmd.Connection = sqliteConn;
                cmd.CommandText = sql;
                cmd.ExecuteNonQuery();
            }
            sqliteConn.Close();
        }//查询全部
        static void Select(String sql, String dbPath) {
            SQLiteConnection sqliteConn = new SQLiteConnection("data source=" + dbPath);
            SQLiteCommand command = new SQLiteCommand();
            if (sqliteConn.State != ConnectionState.Open)
            {
                sqliteConn.Open();
                command.Connection = sqliteConn;
                command.CommandText = sql;
        
                SQLiteDataReader reader = command.ExecuteReader();
                while (reader.Read())
                MessageBox.Show("Name: " + reader["Name"] + "\tScore: " + reader["Team"]);


            }
            sqliteConn.Close();
           
        }
        private void button1_Click(object sender, EventArgs e)
        {
            CreatDb();
            NewTable("test.db", "tablea");
            insert("insert into tablea (Name, Team) values ('Myself', 'blue')","test.db");

        }

        private void button2_Click(object sender, EventArgs e)
        {
            Select("select * from tablea", "test.db");
        }
    }
}