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Multi-Value Parameter selections with SQL Reporting Services

Posted on 2009-03-31
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Last Modified: 2012-05-06
Hi,
I have a list of items selected in SQL Reporting Service which I would like to be displayed. I am reading data from a Stored Procedure. When I select one value, the information is displayed, but when I select more than one, no data is displayed.... anyone know how to sort this out ?
My SP's parameter is as below. Ive tried using JOIN(Parameters!SP.values,",") in the Reporting Service, but this also does not work.
WHERE (dbo.ServiceProvider.ServiceProvider IN (@SP)

	AND (MSISDN_Master.Network_Sub > 0))

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Question by:AxleWack
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Auric1983 earned 25 total points
ID: 24028772
SSRS turns a multivalue parameter into an array... I don't believe the "Join" will work to pass as a parameter to the SP because it will just be one big comma seperated string. "value1,value2,value3" etc.  and what you really need is 'value1','value2','value3' etc. So if you use the Join function as describe to pass into the Stored Procedure, you  need a function to split that comma seperated list into individual values.

I found a blog post that may explain it a little more in detail http://munishbansal.wordpress.com/2008/12/29/passing-multi-value-parameter-in-stored-procedure-ssrs-report/
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Assisted Solution

by:Chris Luttrell
Chris Luttrell earned 25 total points
ID: 24044488
We pass in the parameter string and use the table valued function below to split it into rows to join with.
/****** Object:  UserDefinedFunction [Tools].[fnMultiValue_Split]    Script Date: 04/01/2009 18:00:20 ******/

SET ANSI_NULLS ON

GO

SET QUOTED_IDENTIFIER ON

GO
 

CREATE FUNCTION [Tools].[fnMultiValue_Split]

   (@InputStr nvarchar(4000), @Delim char(1)= ',', @MVDelim char(1)= '|')

RETURNS @Values TABLE (Id INT IDENTITY(1,1), MainValue nvarchar(1000), SubValue nvarchar(1000))AS

  BEGIN

  DECLARE @chrind INT, @chrind2 INT

  DECLARE @Piece nvarchar(2000), @MainValue nvarchar(1000), @SubValue nvarchar(1000)

  SELECT @chrind = 1,  @chrind2 = 1

  WHILE @chrind > 0

    BEGIN

      SELECT @chrind = CHARINDEX(@Delim,@InputStr)

      IF @chrind  > 0

        SELECT @Piece = LEFT(@InputStr,@chrind - 1)

      ELSE

        SELECT @Piece = @InputStr

      -- now split on sub value if there

      SELECT @chrind2 = CHARINDEX(@MVDelim,@Piece)

      IF @chrind2  > 0

        SELECT @MainValue = LEFT(@Piece,@chrind2 - 1), @SubValue = SUBSTRING(@Piece,@chrind2+1, LEN(@Piece))

      ELSE

        SELECT @MainValue = @Piece, @SubValue = NULL

      INSERT  @Values(MainValue, SubValue) VALUES(@MainValue, @SubValue)

      SELECT @InputStr = RIGHT(@InputStr,LEN(@InputStr) - @chrind)

      IF LEN(@InputStr) = 0 BREAK

    END

  RETURN

  END

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Expert Comment

by:Chris Luttrell
ID: 24044514
This one is simpler as it has only one Delimiter.  Same logic applies as to how to use.
/****** Object:  UserDefinedFunction [Tools].[fnMultiValue_Param]    Script Date: 04/01/2009 18:06:19 ******/

SET ANSI_NULLS ON

GO

SET QUOTED_IDENTIFIER ON

GO
 

CREATE FUNCTION [Tools].[fnMultiValue_Param]

   (@RepParam nvarchar(4000), @Delim char(1)= ',')

RETURNS @Values TABLE (Param nvarchar(4000))AS

  BEGIN

  DECLARE @chrind INT

  DECLARE @Piece nvarchar(10)

  SELECT @chrind = 1 

  WHILE @chrind > 0

    BEGIN

      SELECT @chrind = CHARINDEX(@Delim,@RepParam)

      IF @chrind  > 0

        SELECT @Piece = LEFT(@RepParam,@chrind - 1)

      ELSE

        SELECT @Piece = @RepParam

      INSERT  @Values(Param) VALUES(Cast(@Piece AS INT))

      SELECT @RepParam = RIGHT(@RepParam,LEN(@RepParam) - @chrind)

      IF LEN(@RepParam) = 0 BREAK

    END

  RETURN

  END

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Author Comment

by:AxleWack
ID: 24057302
Got it sorted thanks.
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