C#连接嵌入式小型数据库firebird，操作数据

using FirebirdSql.Data.FirebirdClient;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Data;

namespace FirebirdTest
{
class Program
{
static void Main(string[] args)
{
//這裡的fbembed的版本是2.5.8
FbConnectionStringBuilder sb = new FbConnectionStringBuilder();
sb.ServerType = FbServerType.Embedded;
//SYSDBA
sb.UserID = "SYSDBA";
//masterkey
sb.Password = "masterkey";
sb.Database = AppDomain.CurrentDomain.BaseDirectory.Replace("bin\\Debug\\", "") + "DB\\TEST.FDB";
FbConnection connection1 = new FbConnection(sb.ToString());
connection1.Open();

//事務
FbTransaction tran = connection1.BeginTransaction();
try
{
//插入
FbCommand cmd2 = connection1.CreateCommand();
cmd2.Transaction = tran;
string sql2 = "INSERT INTO USERINFO (ID, NAME, SPASSWORD) VALUES (@id, @name, @password)";
cmd2.CommandText = sql2;
cmd2.Parameters.Add(new FbParameter("@id", Guid.NewGuid().ToString()));
cmd2.Parameters.Add(new FbParameter("@name", "歐陽修0"));
cmd2.Parameters.Add(new FbParameter("@password", "sdf56756"));
int count = cmd2.ExecuteNonQuery();
cmd2.Dispose();

//修改
FbCommand updateCmd = connection1.CreateCommand();
updateCmd.Transaction = tran;
string sql_update = "update USERINFO set  NAME='小萬1' where id='700A096E-5B28-7AF7-8D61-C3E0D0FF93FF'";
updateCmd.CommandText = sql_update;
int count_up = updateCmd.ExecuteNonQuery();
updateCmd.Dispose();

tran.Commit();
}
catch (Exception ex)
{
tran.Rollback();
}

//查询
string sql = "select * from USERINFO";
FbCommand cmd = new FbCommand(sql, connection1);
FbDataAdapter dp = new FbDataAdapter(cmd);
DataTable dt = new DataTable();
dp.Fill(dt);
dp.Dispose();
cmd.Dispose();

connection1.Close();
connection1.Dispose();

}
}
}