【SQLite】 中事务使用案列

只为自己方便使用。

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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;

                    }

                }

            }