SSRS Stepped根据号码报告

Question

将SSRS与SQL Server 2008 R2一起使用（Visual Studio环境）。

我正在尝试根据sql server上的表中的级别/值生成一个降低报告。该级别充当缩进位置，sort_value是报表中的递归父级。

SQL Server中的表示例：

需要输出的样本

Answer 1

好的，我已经提出了解决方案，但请注意以下，然后再继续。 1.根据您的样本数据，该过程依赖于数据的正确顺序。 2.如果这是您真实的数据结构，我强烈建议您查看它。

好的，所以我做的第一件事就是按照例子完全重新创建你的表格。我打电话给Stepped表，因为我想不出别的什么！

然后可以将以下代码用作SSRS中的数据集，但显然可以直接运行T-SQL来查看输出。

-- Create a copy of the data with a row number. This means the input data MUST be in the correct order.
DECLARE @t TABLE(RowN int IDENTITY(1,1), Sort_Order int, [Level] int, Qty int, Currency varchar(20), Product varchar(20))

INSERT INTO @t (Sort_Order, [Level], Qty, Currency, Product)
    SELECT * FROM Stepped

-- Update the table so each row where the sort_order is NULL will take the sort order from the row above
UPDATE a SET Sort_Order = b.Sort_Order
 FROM @t a
    JOIN @t b on a.RowN = b.rowN+1
 WHERE a.Sort_Order is null and b.Sort_Order is not null

 -- repeat this until we're done.
WHILE @@ROWCOUNT >0
    BEGIN
        UPDATE a SET Sort_Order = b.Sort_Order
            FROM @t a
                JOIN @t b on a.RowN = b.rowN+1
            WHERE a.Sort_Order is null and b.Sort_Order is not null
    END

-- Now we can select from our new table sorted by both sort oder and level.
-- We also separate out the products based on their level.
SELECT 
        CASE Level WHEN 1 THEN Product ELSE NULL END as ProdLvl_1
        , CASE Level WHEN 2 THEN Product ELSE NULL END as ProdLvl_2
        , CASE Level WHEN 3 THEN Product ELSE NULL END as ProdLvl_3
        , QTY
        , Currency
    FROM @t s
    ORDER BY Sort_Order, Level

输出看起来像这样......

您可能还想考虑更换最终声明。

-- Alternatively use this style and use a single column in the report.
-- This is better if the number of levels can change.
SELECT 
        REPLICATE('--', Level-1) + Product  as Product
        , QTY
        , Currency
    FROM @t s
    ORDER BY Sort_Order, Level

因为这会为您提供一个“产品”列，就像这样缩进。