/// <summary> /// 判断当前节点是否已存在相同的 /// </summary> /// <param name="entity"></param> /// <returns></returns> public int ExistNum(ConfirmOrderCGMemEntity entity) { ///id=0,判断总数,ID>0判断除自己之外的总数 string sql = @"Select count(1) from dbo.[ConfirmOrderCGMem] WITH(NOLOCK) "; string where = "where "; if (entity.Id == 0) { } else { } sql = sql + where; DbCommand cmd = db.GetSqlStringCommand(sql); if (entity.Id > 0) { db.AddInParameter(cmd, "@Id", DbType.Int32, entity.Id); } object identity = db.ExecuteScalar(cmd); if (identity == null || identity == DBNull.Value) { return(0); } return(Convert.ToInt32(identity)); }
/// <summary> /// 根据主键值更新记录的全部字段(注意:该方法不会对自增字段、timestamp类型字段以及主键字段更新!如果要更新主键字段,请使用Update方法)。 /// 如果数据库有数据被更新了则返回True,否则返回False /// </summary> /// <param name="db">数据库操作对象</param> /// <param name="confirmOrderCGMem">待更新的实体对象</param> public int UpdateConfirmOrderCGMem(ConfirmOrderCGMemEntity entity) { string sql = @" UPDATE dbo.[ConfirmOrderCGMem] SET [ConfirmOrderCode]=@ConfirmOrderCode,[CGMemId]=@CGMemId,[CGTotalPrice]=@CGTotalPrice,[SelectTime]=@SelectTime WHERE [Id]=@id"; DbCommand cmd = db.GetSqlStringCommand(sql); db.AddInParameter(cmd, "@Id", DbType.Int32, entity.Id); db.AddInParameter(cmd, "@ConfirmOrderCode", DbType.String, entity.ConfirmOrderCode); db.AddInParameter(cmd, "@CGMemId", DbType.Int32, entity.CGMemId); db.AddInParameter(cmd, "@CGTotalPrice", DbType.Decimal, entity.CGTotalPrice); db.AddInParameter(cmd, "@SelectTime", DbType.DateTime, entity.SelectTime); return(db.ExecuteNonQuery(cmd)); }
/// <summary> /// 插入一条记录到表ConfirmOrderCGMem,如果表中存在自增字段,则返回值为新记录的自增字段值,否则返回0。 /// 该方法提供给界面等UI层调用 /// </summary> /// <param name="confirmOrderCGMem">要添加的ConfirmOrderCGMem数据实体对象</param> public int AddConfirmOrderCGMem(ConfirmOrderCGMemEntity confirmOrderCGMem) { if (confirmOrderCGMem.Id > 0) { return(UpdateConfirmOrderCGMem(confirmOrderCGMem)); } else if (ConfirmOrderCGMemBLL.Instance.IsExist(confirmOrderCGMem)) { return((int)CommonStatus.ADD_Fail_Exist); } else { return(ConfirmOrderCGMemDA.Instance.AddConfirmOrderCGMem(confirmOrderCGMem)); } }
/// <summary> /// 插入一条记录到表ConfirmOrderCGMem,如果表中存在自增字段,则返回值为新记录的自增字段值,否则返回0 /// </summary> /// <param name="db">数据库操作对象</param> /// <param name="confirmOrderCGMem">待插入的实体对象</param> public int AddConfirmOrderCGMem(ConfirmOrderCGMemEntity entity) { string sql = @"insert into ConfirmOrderCGMem( [ConfirmOrderCode],[CGMemId],[CGTotalPrice],[SelectTime])VALUES ( @ConfirmOrderCode,@CGMemId,@CGTotalPrice,@SelectTime); SELECT SCOPE_IDENTITY();" ; DbCommand cmd = db.GetSqlStringCommand(sql); db.AddInParameter(cmd, "@ConfirmOrderCode", DbType.String, entity.ConfirmOrderCode); db.AddInParameter(cmd, "@CGMemId", DbType.Int32, entity.CGMemId); db.AddInParameter(cmd, "@CGTotalPrice", DbType.Decimal, entity.CGTotalPrice); db.AddInParameter(cmd, "@SelectTime", DbType.DateTime, entity.SelectTime); object identity = db.ExecuteScalar(cmd); if (identity == null || identity == DBNull.Value) { return(0); } return(Convert.ToInt32(identity)); }
/// <summary> /// 读取记录列表。 /// </summary> /// <param name="db">数据库操作对象</param> /// <param name="columns">需要返回的列,不提供任何列名时默认将返回所有列</param> public IList <ConfirmOrderCGMemEntity> GetConfirmOrderCGMemList(int pagesize, int pageindex, ref int recordCount) { string sql = @"SELECT [Id],[ConfirmOrderCode],[CGMemId],[CGTotalPrice],[SelectTime] FROM (SELECT ROW_NUMBER() OVER (ORDER BY Id desc) AS ROWNUMBER, [Id],[ConfirmOrderCode],[CGMemId],[CGTotalPrice],[SelectTime] from dbo.[ConfirmOrderCGMem] WITH(NOLOCK) WHERE 1=1 ) as temp where rownumber BETWEEN ((@PageIndex - 1) * @PageSize + 1) AND @PageIndex * @PageSize" ; string sql2 = @"Select count(1) from dbo.[ConfirmOrderCGMem] with (nolock) "; IList <ConfirmOrderCGMemEntity> entityList = new List <ConfirmOrderCGMemEntity>(); DbCommand cmd = db.GetSqlStringCommand(sql); db.AddInParameter(cmd, "@PageIndex", DbType.Int32, pageindex); db.AddInParameter(cmd, "@PageSize", DbType.Int32, pagesize); using (IDataReader reader = db.ExecuteReader(cmd)) { while (reader.Read()) { ConfirmOrderCGMemEntity entity = new ConfirmOrderCGMemEntity(); entity.Id = StringUtils.GetDbInt(reader["Id"]); entity.ConfirmOrderCode = StringUtils.GetDbString(reader["ConfirmOrderCode"]); entity.CGMemId = StringUtils.GetDbInt(reader["CGMemId"]); entity.CGTotalPrice = StringUtils.GetDbDecimal(reader["CGTotalPrice"]); entity.SelectTime = StringUtils.GetDbDateTime(reader["SelectTime"]); entityList.Add(entity); } } cmd = db.GetSqlStringCommand(sql2); using (IDataReader reader = db.ExecuteReader(cmd)) { if (reader.Read()) { recordCount = StringUtils.GetDbInt(reader[0]); } else { recordCount = 0; } } return(entityList); }
/// <summary> /// 读取记录列表。 /// </summary> /// <param name="db">数据库操作对象</param> /// <param name="columns">需要返回的列,不提供任何列名时默认将返回所有列</param> public IList <ConfirmOrderCGMemEntity> GetConfirmOrderCGMemAll() { string sql = @"SELECT [Id],[ConfirmOrderCode],[CGMemId],[CGTotalPrice],[SelectTime] from dbo.[ConfirmOrderCGMem] WITH(NOLOCK) "; IList <ConfirmOrderCGMemEntity> entityList = new List <ConfirmOrderCGMemEntity>(); DbCommand cmd = db.GetSqlStringCommand(sql); using (IDataReader reader = db.ExecuteReader(cmd)) { while (reader.Read()) { ConfirmOrderCGMemEntity entity = new ConfirmOrderCGMemEntity(); entity.Id = StringUtils.GetDbInt(reader["Id"]); entity.ConfirmOrderCode = StringUtils.GetDbString(reader["ConfirmOrderCode"]); entity.CGMemId = StringUtils.GetDbInt(reader["CGMemId"]); entity.CGTotalPrice = StringUtils.GetDbDecimal(reader["CGTotalPrice"]); entity.SelectTime = StringUtils.GetDbDateTime(reader["SelectTime"]); entityList.Add(entity); } } return(entityList); }
/// <summary> /// 根据主键值读取记录。如果数据库不存在这条数据将返回null /// </summary> /// <param name="db">数据库操作对象</param> /// <param name="columns">需要返回的列,不提供任何列名时默认将返回所有列</param> public ConfirmOrderCGMemEntity GetConfirmOrderCGMem(int id) { string sql = @"SELECT [Id],[ConfirmOrderCode],[CGMemId],[CGTotalPrice],[SelectTime] FROM dbo.[ConfirmOrderCGMem] WITH(NOLOCK) WHERE [Id]=@id" ; DbCommand cmd = db.GetSqlStringCommand(sql); db.AddInParameter(cmd, "@Id", DbType.Int32, id); ConfirmOrderCGMemEntity entity = new ConfirmOrderCGMemEntity(); using (IDataReader reader = db.ExecuteReader(cmd)) { if (reader.Read()) { entity.Id = StringUtils.GetDbInt(reader["Id"]); entity.ConfirmOrderCode = StringUtils.GetDbString(reader["ConfirmOrderCode"]); entity.CGMemId = StringUtils.GetDbInt(reader["CGMemId"]); entity.CGTotalPrice = StringUtils.GetDbDecimal(reader["CGTotalPrice"]); entity.SelectTime = StringUtils.GetDbDateTime(reader["SelectTime"]); } } return(entity); }
/// <summary> /// 更新一条ConfirmOrderCGMem记录。 /// 该方法提供给界面等UI层调用 /// </summary> /// <param name="confirmOrderCGMem">待更新的实体对象</param> /// <param name="columns">要更新的列名,不提供任何列名时默认将更新主键之外的所有列</param> public int UpdateConfirmOrderCGMem(ConfirmOrderCGMemEntity confirmOrderCGMem) { return(ConfirmOrderCGMemDA.Instance.UpdateConfirmOrderCGMem(confirmOrderCGMem)); }
/// <summary> /// 判断对象是否存在 /// </summary> /// <param name="dicEnum"></param> /// <returns></returns> public bool IsExist(ConfirmOrderCGMemEntity confirmOrderCGMem) { return(ConfirmOrderCGMemDA.Instance.ExistNum(confirmOrderCGMem) > 0); }