/// <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(ProductWholeSaleEntity 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.[ProductWholeSale] 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 ProductWholeSaleEntity GetProductWholeSale(int id) { string sql = @"SELECT [Id],[ProductId],[BatchNum1],[Price1],[BatchNum2],[Price2],[BatchNum3],[Price3] FROM dbo.[ProductWholeSale] WITH(NOLOCK) WHERE [Id]=@id" ; DbCommand cmd = db.GetSqlStringCommand(sql); db.AddInParameter(cmd, "@Id", DbType.Int32, id); ProductWholeSaleEntity entity = new ProductWholeSaleEntity(); using (IDataReader reader = db.ExecuteReader(cmd)) { if (reader.Read()) { entity.Id = StringUtils.GetDbInt(reader["Id"]); entity.ProductId = StringUtils.GetDbInt(reader["ProductId"]); entity.BatchNum1 = StringUtils.GetDbInt(reader["BatchNum1"]); entity.Price1 = StringUtils.GetDbDecimal(reader["Price1"]); entity.BatchNum2 = StringUtils.GetDbInt(reader["BatchNum2"]); entity.Price2 = StringUtils.GetDbDecimal(reader["Price2"]); entity.BatchNum3 = StringUtils.GetDbInt(reader["BatchNum3"]); entity.Price3 = StringUtils.GetDbDecimal(reader["Price3"]); } } return(entity); }
/// <summary> /// 插入一条记录到表ProductWholeSale,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="productWholeSale">要添加的ProductWholeSale数据实体对象</param> public int AddProductWholeSale(ProductWholeSaleEntity productWholeSale) { if (productWholeSale.Id > 0) { return(UpdateProductWholeSale(productWholeSale)); } else if (ProductWholeSaleBLL.Instance.IsExist(productWholeSale)) { return((int)CommonStatus.ADD_Fail_Exist); } else { return(ProductWholeSaleDA.Instance.AddProductWholeSale(productWholeSale)); } }
/// <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="productWholeSale">待更新的实体对象</param> public int UpdateProductWholeSale(ProductWholeSaleEntity entity) { string sql = @" UPDATE dbo.[ProductWholeSale] SET [ProductId]=@ProductId,[BatchNum1]=@BatchNum1,[Price1]=@Price1,[BatchNum2]=@BatchNum2,[Price2]=@Price2,[BatchNum3]=@BatchNum3,[Price3]=@Price3 WHERE [Id]=@id"; DbCommand cmd = db.GetSqlStringCommand(sql); db.AddInParameter(cmd, "@Id", DbType.Int32, entity.Id); db.AddInParameter(cmd, "@ProductId", DbType.Int32, entity.ProductId); db.AddInParameter(cmd, "@BatchNum1", DbType.Int32, entity.BatchNum1); db.AddInParameter(cmd, "@Price1", DbType.Decimal, entity.Price1); db.AddInParameter(cmd, "@BatchNum2", DbType.Int32, entity.BatchNum2); db.AddInParameter(cmd, "@Price2", DbType.Decimal, entity.Price2); db.AddInParameter(cmd, "@BatchNum3", DbType.Int32, entity.BatchNum3); db.AddInParameter(cmd, "@Price3", DbType.Decimal, entity.Price3); return(db.ExecuteNonQuery(cmd)); }
/// <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 <ProductWholeSaleEntity> GetProductWholeSaleList(int pagesize, int pageindex, ref int recordCount) { string sql = @"SELECT [Id],[ProductId],[BatchNum1],[Price1],[BatchNum2],[Price2],[BatchNum3],[Price3] FROM (SELECT ROW_NUMBER() OVER (ORDER BY Id desc) AS ROWNUMBER, [Id],[ProductId],[BatchNum1],[Price1],[BatchNum2],[Price2],[BatchNum3],[Price3] from dbo.[ProductWholeSale] WITH(NOLOCK) WHERE 1=1 ) as temp where rownumber BETWEEN ((@PageIndex - 1) * @PageSize + 1) AND @PageIndex * @PageSize" ; string sql2 = @"Select count(1) from dbo.[ProductWholeSale] with (nolock) "; IList <ProductWholeSaleEntity> entityList = new List <ProductWholeSaleEntity>(); 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()) { ProductWholeSaleEntity entity = new ProductWholeSaleEntity(); entity.Id = StringUtils.GetDbInt(reader["Id"]); entity.ProductId = StringUtils.GetDbInt(reader["ProductId"]); entity.BatchNum1 = StringUtils.GetDbInt(reader["BatchNum1"]); entity.Price1 = StringUtils.GetDbDecimal(reader["Price1"]); entity.BatchNum2 = StringUtils.GetDbInt(reader["BatchNum2"]); entity.Price2 = StringUtils.GetDbDecimal(reader["Price2"]); entity.BatchNum3 = StringUtils.GetDbInt(reader["BatchNum3"]); entity.Price3 = StringUtils.GetDbDecimal(reader["Price3"]); 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> /// 插入一条记录到表ProductWholeSale,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="productWholeSale">待插入的实体对象</param> public int AddProductWholeSale(ProductWholeSaleEntity entity) { string sql = @"insert into ProductWholeSale( [ProductId],[BatchNum1],[Price1],[BatchNum2],[Price2],[BatchNum3],[Price3])VALUES ( @ProductId,@BatchNum1,@Price1,@BatchNum2,@Price2,@BatchNum3,@Price3); SELECT SCOPE_IDENTITY();" ; DbCommand cmd = db.GetSqlStringCommand(sql); db.AddInParameter(cmd, "@ProductId", DbType.Int32, entity.ProductId); db.AddInParameter(cmd, "@BatchNum1", DbType.Int32, entity.BatchNum1); db.AddInParameter(cmd, "@Price1", DbType.Decimal, entity.Price1); db.AddInParameter(cmd, "@BatchNum2", DbType.Int32, entity.BatchNum2); db.AddInParameter(cmd, "@Price2", DbType.Decimal, entity.Price2); db.AddInParameter(cmd, "@BatchNum3", DbType.Int32, entity.BatchNum3); db.AddInParameter(cmd, "@Price3", DbType.Decimal, entity.Price3); 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 <ProductWholeSaleEntity> GetProductWholeSaleAll() { string sql = @"SELECT [Id],[ProductId],[BatchNum1],[Price1],[BatchNum2],[Price2],[BatchNum3],[Price3] from dbo.[ProductWholeSale] WITH(NOLOCK) "; IList <ProductWholeSaleEntity> entityList = new List <ProductWholeSaleEntity>(); DbCommand cmd = db.GetSqlStringCommand(sql); using (IDataReader reader = db.ExecuteReader(cmd)) { while (reader.Read()) { ProductWholeSaleEntity entity = new ProductWholeSaleEntity(); entity.Id = StringUtils.GetDbInt(reader["Id"]); entity.ProductId = StringUtils.GetDbInt(reader["ProductId"]); entity.BatchNum1 = StringUtils.GetDbInt(reader["BatchNum1"]); entity.Price1 = StringUtils.GetDbDecimal(reader["Price1"]); entity.BatchNum2 = StringUtils.GetDbInt(reader["BatchNum2"]); entity.Price2 = StringUtils.GetDbDecimal(reader["Price2"]); entity.BatchNum3 = StringUtils.GetDbInt(reader["BatchNum3"]); entity.Price3 = StringUtils.GetDbDecimal(reader["Price3"]); entityList.Add(entity); } } return(entityList); }
/// <summary> /// 更新一条ProductWholeSale记录。 /// 该方法提供给界面等UI层调用 /// </summary> /// <param name="productWholeSale">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 UpdateProductWholeSale(ProductWholeSaleEntity productWholeSale) { return(ProductWholeSaleDA.Instance.UpdateProductWholeSale(productWholeSale)); }
/// <summary> /// 判断对象是否存在 /// </summary> /// <param name="dicEnum"></param> /// <returns></returns> public bool IsExist(ProductWholeSaleEntity productWholeSale) { return(ProductWholeSaleDA.Instance.ExistNum(productWholeSale) > 0); }