Can I add a datetime filter to an expression in SSRS

Question

I am using SSRS to create a tablix that displays weekly, monthly and yearly values. My query contains data for the entire year. I would like to avoid creating 3 Datasets and then displaying three tables together (which I have already tried and did not like 
because occasionally the current week or month does not have the same number of rows in the Tablix. )
I am trying to create an expression that shows the Sum of the values
Sum(Fields!Sale.Value)
when the sales are equal  to the current week, month or year
DATEPART(wk, sale_date) IN (DATEPART(wk, @week)
DATEPART(month, sale_date) IN (DATEPART(month, @week)
DATEPART (year, sale_date) IN (DATEPART(year, @week)
Any ideas?

Answer 1

Hi PrandyJosselyn,
Per my understanding that you have an date field in table(Sale_date) and you want need to calculate the week sales, month sales, year sales based on this date, you need to filter the data of the yearly, monthly, weekly to display in the report based on the
filter, right?
I have testedon my local environment and you can modify the query in the main dataset as below to get add the week number, month number, year number if they didn't exists in the db, create three cacading parameter to display the values of "Year Number","Month
Number","Week Number".
Details steps below for your reference:
1.Modify the query in the main dataset as below to add the filter of the three parameters:
SELECT  Sale, Sale_Date, DATEPART(wk, Sale_Date) AS weeknum,DATEPART(month, Sale_Date) as monnum,DATEPART (year, Sale_Date) as yearnum
FROM   tablename
where DATEPART(year, Sale_Date) =(@YearNum) and  DATEPART(month, Sale_Date) =(@MonNum) and DATEPART(wk, Sale_Date) =(@WeekNum)
2.Create and new DateSet2 and create Parameter1(YearNum) which get the values from this dataset and use this expression:
SELECT     DATEPART(year, Sale_Date) AS YearNum
FROM         TableName
3.Create and new DateSet2and  create the Parameter2(MonthNum) get the values from this dataset and use this expression:
SELECT    Distinct  DATEPART(month, Sale_Date) AS MonthNum
FROM         TableName
where   (DATEPART(year, Sale_Date) = @YearNum)
4.Create and new DateSet3 and  create the Parameter3(WeekNum) get the values from this dataset and use this expression:
SELECT    Distinct  DATEPART(wk, Sale_Date) AS WeekNum
FROM         TableName
where   (DATEPART(year, Sale_Date) = @YearNum) and (DATEPART(month, Sale_Date) = @MonthNum)
5.Design the report to add group for the year and month:
If you still have problem, please provide the sample data of the table in DB and the snapshot of the report structure you have designed. 
Any problem, please feel free to ask.
Regards
Vicky Liu
Vicky Liu
TechNet Community Support