.net 官方事务写法

using (SqlConnection connection = new SqlConnection(connectionString)) { connection.Open(); // Start a local transaction. SqlTransaction sqlTran = connection.BeginTransaction(); // Enlist a command in the current transaction. SqlCommand co

using (SqlConnection connection = new SqlConnection(connectionString))
{
    connection.Open();

    // Start a local transaction.
    SqlTransaction sqlTran = connection.BeginTransaction();

    // Enlist a command in the current transaction.
    SqlCommand command = connection.CreateCommand();
    command.Transaction = sqlTran;

    try
    {
        // Execute two separate commands.
        command.CommandText =
          "INSERT INTO Production.ScrapReason(Name) VALUES('Wrong size')";
        command.ExecuteNonQuery();
        command.CommandText =
          "INSERT INTO Production.ScrapReason(Name) VALUES('Wrong color')";
        command.ExecuteNonQuery();

WaStar 网上花店系统

系统特点： 商品多级分类检索、搜索，支持同一商品多重分类，自由设置显示式样 自由设置会员类型，自由设置权限项目，自由分配每种会员类型和每个会员的权限 灵活的商品定价，最多12级价格自由分配给各种会员类型或会员，也可针对单会员单商品特殊定价 强大的会员管理、帐户管理、订单管理功能和一系列帐务查询统计功能 灵活的会员积分系统，自由设置每个积分事件的积分计算方法 灵活的网站内容发布、管理系统，每个栏目可

2

查看详情

        // Commit the transaction.
        sqlTran.Commit();
        Console.WriteLine("Both records were written to database.");
    }
    catch (Exception ex)
    {
        // Handle the exception if the transaction fails to commit.
        Console.WriteLine(ex.Message);

        try
        {
            // Attempt to roll back the transaction.
            sqlTran.Rollback();
        }
        catch (Exception exRollback)
        {
            // Throws an InvalidOperationException if the connection
            // is closed or the transaction has already been rolled
            // back on the server.
            Console.WriteLine(exRollback.Message);
        }
    }
}