使用c#访问microsoft sql server compact （初级）

sql server compact是微软推出的免费嵌入式数据库，可以通过sql server 2005管理器，来连接管理它。

下面是一段简单的访问示例。

using System;
using System.Collections.Generic;
using System.Text;
using System.Data.SqlServerCe;
using System.IO;
using System.Data;

namespace ConsoleApplication8
{
    class Program
    {
        static void Main(string[] args)
        {
            string ceDataFilePath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "firstSqlServerCe.sdf");
            const string CONN_STRING = "Data Source=firstSqlServerCe.sdf;encryption mode=platform default;Password=2654;";

            if (!File.Exists(ceDataFilePath))
            {
                
                using (SqlCeEngine engine =
                    new SqlCeEngine(CONN_STRING))
                {
                    engine.CreateDatabase();
                }


                using (SqlCeConnection conn = new SqlCeConnection(CONN_STRING))
                {
                    conn.Open();
                    using (SqlCeCommand comm = new SqlCeCommand("create table test(col1 INT,col2 NVARCHAR(100))", conn))
                    {
                        comm.ExecuteNonQuery();
                    }

                    using (SqlCeCommand comm = new SqlCeCommand("insert into test values(1,'hello 1')",conn))
                    {
                        comm.ExecuteNonQuery();
                    }
                }
            }

            using (SqlCeConnection conn = new SqlCeConnection(CONN_STRING))
            {
                using (SqlCeCommand comm = new SqlCeCommand("select * from test",conn))
                {
                    conn.Open();
                    using (IDataReader rdr = comm.ExecuteReader())
                    {
                        while (rdr.Read())
                        {
                            Console.WriteLine("{0}\t{1}",rdr["col1"],rdr["col2"]);
                        }
                    }
                }
            }
            
            Console.Read();
        }
    }
}