app.config:
<?xml version="1.0" encoding="utf-8" ?>
<configuration>
<connectionStrings>
<add connectionString="Data Source=PC-20120110JFDT;Initial Catalog=School;Persist Security Info=True;User ID=sa;Password=yhb" name="connstr3" />
</connectionStrings>
</configuration>
c#
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Data.SqlClient;
using System.Configuration;
namespace 事務_控制檯
{
class Program
{
static void Main(string[] args)
{
string connstr = ConfigurationManager.ConnectionStrings["connstr3"].ConnectionString;
using (SqlConnection conn = new SqlConnection(connstr))
{
conn.Open();
SqlTransaction tran = conn.BeginTransaction();//打開事務
string sql = "insert into bank values(3,1000,003)";
using (SqlCommand cmd = new SqlCommand(sql, conn))
{
cmd.Transaction = tran;//給cmd命令一個事務對象
int r = cmd.ExecuteNonQuery();
Console.WriteLine("是否執行? y執行,n回滾");
string s = Console.ReadLine().ToLower();
if (s == "y")
{
tran.Commit();//執行
}
else if (s == "n")
{
tran.Rollback();//回滾
}
else
{
Console.WriteLine("您輸入的數據有誤");
}
}
}
}
}
}