Reporting Services :: SSRS 2012 - MultiValue Parameter Throws Error On Setting Up Default Value
Aug 3, 2015
I have a multi value parameter called "Location" and this depends on another multi valued parameter value. The default value for the parameter "Location" comes from the another another multi valued parameter. Now say when the default value is set for the parameter Location like the below:
The Location parameter data set has values from the Query and default values has been set as shown below:
=Iif(array.IndexOf(Parameters!Program.Value,"A")>-1,nothing,"N/A")
I get an error on preview saying that . The Default Expression for the report parameter "Location" contains error:
Unable to cast object of type 'System.String' to type 'System.Array'.
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Mar 26, 2008
Thought I'd help some folks with rs and dates..
here is some scalar valued functions:
CREATE FUNCTION [dbo].[get_date_only] (@date datetime)
RETURNS datetime AS
BEGIN
RETURN dateadd(day, DateDiff(day, 0, GetDate()), 0)
END
CREATE FUNCTION [dbo].[get_month_end] (@date datetime)
RETURNS datetime AS
BEGIN
RETURN dateadd(ms, -3, dateadd (m,datediff(m,0,
dateadd(m,1,@date)),0))
END
CREATE FUNCTION [dbo].[get_month_start] (@date datetime)
RETURNS datetime AS
BEGIN
RETURN dateadd(m,datediff(m,0, @date),0)
END
CREATE FUNCTION [dbo].[get_today_end] (@today datetime)
RETURNS datetime AS
BEGIN
return dateadd(ms, -3, datediff(d,0,dateadd(d,1,@today)))
END
CREATE FUNCTION [dbo].[get_today_noon](@date datetime)
RETURNS datetime
BEGIN
RETURN DATEADD(hh, 12, DATEADD(d,DATEDIFF(d,0, @date),0))
END
CREATE FUNCTION [dbo].[get_today_start] (@today datetime)
RETURNS datetime AS
BEGIN
return dateadd(day, 0, datediff(d,0,@today))
END
CREATE FUNCTION [dbo].[get_tomorrow_noon](@date datetime)
RETURNS datetime
BEGIN
RETURN DATEADD(hh, 12, DATEADD(d,DATEDIFF(d,-1, @date),0))
END
CREATE FUNCTION [dbo].[get_week_end] (@date datetime)
RETURNS datetime AS
BEGIN
return dateadd(yyyy, datepart(yyyy,
dateadd(weekday,7-datepart(weekday, @date),@date))-1900, 0)
+ dateadd(ms, -3,
dateadd(dy, datepart(dy,
dateadd(weekday,7-datepart(weekday, @date),@date)),0) )
END
CREATE FUNCTION [dbo].[get_week_start] (@date datetime)
RETURNS datetime AS
BEGIN
return dateadd(yyyy, datepart(yyyy,
dateadd(weekday,1-datepart(weekday, @date),@date))-1900, 0)
+ dateadd(dy, datepart(dy,
dateadd(weekday,1-datepart(weekday, @date),@date))-1,0)
END
CREATE FUNCTION [dbo].[get_weekday_end] (@weekday tinyint,
@date datetime)
RETURNS datetime AS
BEGIN
return dateadd(yyyy, datepart(yyyy,
dateadd(weekday,@weekday-
datepart(weekday, @date),@date))-1900, 0)
+ dateadd(ms, -3,
dateadd(dy, datepart(dy,
dateadd(weekday,@weekday-datepart(weekday, @date),
@date)),0) )
END
CREATE FUNCTION [dbo].[get_weekday_start] (@weekday tinyint,
@date datetime)
RETURNS datetime AS
BEGIN
return dateadd(yyyy, datepart(yyyy,
dateadd(weekday,@weekday-
datepart(weekday, @date),@date))-1900, 0)
+ dateadd(dy, datepart(dy,
dateadd(weekday,@weekday-datepart(weekday, @date),
@date))-1,0)
END
CREATE FUNCTION [dbo].[get_year_start] (@date datetime)
RETURNS datetime AS
BEGIN
RETURN DATEADD(year,DATEDIFF(year,0, @date),0)
END
CREATE FUNCTION [dbo].[get_yesterday_end] (@today datetime)
RETURNS datetime AS
BEGIN
return dateadd(ms, -3, datediff(d,0,@today))
END
CREATE FUNCTION [dbo].[get_yesterday_start] (@today datetime)
RETURNS datetime AS
BEGIN
RETURN dateadd(day, -1, datediff(d,0,@today))
END
Then create a Table-Valued Function like so:
CREATE FUNCTION [dbo].[udfCommonDates] (@date datetime)
RETURNS @t table (week_start datetime,
week_end datetime,
lastweek_start datetime,
lastweek_end datetime,
month_start datetime,
month_end datetime,
lastmonth_start datetime,
lastmonth_end datetime,
yesterday_start datetime,
yesterday_end datetime,
today_start datetime,
today_end datetime,
thisweek_monday_start datetime,
thisweek_monday_end datetime,
year_start datetime,
year_end datetime,
tomorrow_noon datetime,
today_noon datetime,
date_only datetime)
BEGIN
INSERT @t
SELECT
dbo.get_week_start ( @date ) AS week_start,
dbo.get_week_end ( @date ) AS week_end,
dbo.get_week_start ( DATEADD(d, -7, @date ) ) AS lastweek_start,
dbo.get_week_end ( DATEADD(d, -7, @date ) ) AS lastweek_end,
dbo.get_month_start( @date ) AS month_start,
dbo.get_month_end ( @date ) AS month_end,
dbo.get_month_start ( DATEADD(m,-1, @date) ) AS lastmonth_start,
dbo.get_month_end ( DATEADD(m,-1,@date) ) AS lastmonth_end,
dbo.get_yesterday_start ( @date ) AS yesterday_start,
dbo.get_yesterday_end ( @date ) AS yesterday_end,
dbo.get_today_start (@date) AS today_start,
dbo.get_today_end ( @date ) AS today_end,
dbo.get_weekday_start(1,@date) AS thisweek_monday_start,
dbo.get_weekday_end(1,@date) AS thisweek_monday_end,
dbo.get_year_start(@date) AS year_start,
dbo.get_year_end(@date) AS year_end,
dbo.get_tomorrow_noon(@date) AS TomorrowNoon,
dbo.get_today_noon(@date) AS TodayNoon,
dbo.get_date_only(@date) AS DateOnly
RETURN
END
Now the RS folks might be thinking but how does this help me as I need a dataset and a dataset can only be based on a Stored Procedure or a direct table. No problem create the following stored procedure:
CREATE PROCEDURE [dbo].[uspCommonDates] AS
begin
set datefirst 1
declare @date datetime
set @date = getdate()
select * from dbo.udfCommonDates(@date)
end
Now you've got a stored procedure to use as a dataset...Now in reporting services add a new dataset:
Now go to the report parameters section of the report:
Now pick that dataset dsFunctions (or whatever you called it) and then pick any of the value fields from the scalar functions such as:
Now when you run the report it uses the scalars:
If you have questions feel free to ask :).
Hope this helps someone
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