zoukankan      html  css  js  c++  java
  • 【SQLite】 中事务使用案列

    只为自己方便使用。

    View Code
    using (SQLiteConnection conn = new SQLiteConnection(SQLiteHelper.connectionString))
                {
                    conn.Open();
                    using (SQLiteTransaction trans = conn.BeginTransaction())
                    {
                        SQLiteCommand cmd = new SQLiteCommand();
                        try
                        {
                            cmd.Connection = conn;
                            cmd.CommandType = CommandType.Text;
                            cmd.Transaction = trans;
                            //创建质量屋的左墙(顾客需求)
                            for (int i = 0; i < int.Parse(txtCusRequireNum.Text); i++)
                            {
                                cmd.CommandText = "INSERT INTO CusRequireInfo(HouseId,OrderId)VALUES(" + houseId + "," + i + ")";
                                cmd.ExecuteNonQuery();
                            }
                            //创建质量屋的天花板(工程措施)
                            for (int j = 0; j < int.Parse(txtCeilingNum.Text); j++)
                            {
                                cmd.CommandText = "INSERT INTO CeilingInfo(HouseId,OrderId)VALUES(" + houseId + "," + j + ")";
                                cmd.ExecuteNonQuery();
                            }
                            //对应关系矩阵
                            List<CeilingInfo> ceilingInfos = CeilingBLL.GetModelList("HouseId=" + houseId);
                            List<QFD.Model.CusRequireInfo> cusRequiredInfos = CRBLL.GetModelList("HouseId=" + houseId);
                            for (int i = 0; i < cusRequiredInfos.Count; i++)
                            {
                                for (int j = 0; j < ceilingInfos.Count; j++)//将关系矩阵的值保存到数据库中
                                {
                                    cmd.CommandText = "INSERT INTO CusRequireCeilingRelation(CeilingId,CusRequireId,RelationValue)VALUES(" + ceilingInfos[j].CeilingId + "," + cusRequiredInfos[i].CusRequireId + ","+0+")";
                                    cmd.ExecuteNonQuery();
                                }
                            }
                            trans.Commit();
                        }
                        catch (Exception)
                        {
                            trans.Rollback();
                            throw;
                        }
                    }
                }

    作者:ruicky
    出处:http://www.cnblogs.com/ruicky/
    欢迎任何形式的转载,未经作者同意,请保留此段声明!

  • 相关阅读:
    java虚拟机小贴士之GC分析
    hystrix文档翻译之工作原理
    hystrix文档翻译之开始使用
    SQLALchemy--ORM框架
    PythonWEB框架之Flask--3
    补充
    PythonWEB框架之Flask--2
    PythonWEB框架之Flask
    centos6.8下redis的安装和配置
    celery
  • 原文地址:https://www.cnblogs.com/ruicky/p/2913308.html
Copyright © 2011-2022 走看看