SSRS - Running Value

I have a report that I'm trying to calculate some running value, but can't seem to get it to work correctly.

Example:
Example
So the above example is how my report is.  The column E "Qty Short" is my running value.  I'm trying to take (On hand) - (Qty Req) = Qty Short.

This is what I had done, but it's not working correctly.

=RunningValue(Fields!Qty_Req.Value, Sum, "table1_group1")

I'm not even sure if runningvalue is the right function to use.  Basically, I just want to take my "On Hand" and subtract the "Qty Req" to determine how many qty I'm short of.
holemaniaAsked:
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x-menIT super heroCommented:
configure your dataset with the following query:

select [Job],[Item ID] ,[Qty Req], [On Hand]
      ,[On Hand]-(select sum(T2.[Qty Req]) from ee as T2 where T2.[Item ID] =T1.[Item ID] and T2.Job<=T1.Job) as [Running Qty Req]
from ee as T1


my test was:

create database lab
go
use lab
go
create table EE (Job int,[Item ID] char(5),[Qty Req] int, [On Hand] int)
go
insert into EE VALUES (92992,'AB993',4,20)
insert into EE VALUES (92993,'AB993',3,20)
insert into EE VALUES (92994,'AB993',6,20)
insert into EE VALUES (92995,'AB993',8,20)
insert into EE VALUES (92996,'AB993',6,20)
go


select [Job],[Item ID] ,[Qty Req], [On Hand]
      ,[On Hand]-(select sum(T2.[Qty Req]) from ee as T2 where T2.[Item ID] =T1.[Item ID] and T2.Job<=T1.Job) as [Running Qty Req]
from ee as T1

Result:
Job               Item ID      Qty Req      On Hand      Running Qty Req
92992      AB993           4                     20                        16
92993      AB993           3                     20                       13
92994      AB993           6                     20                         7
92995      AB993           8                     20                        -1
92996      AB993           6               20                        -7
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sammySeltzerCommented:
This is how I get my running total.

drag a textbox to your design view and shrink as small as possible and call it hidden_total

Then click expressions (fx) and enter the following:

=Count(Fields!NameOfField.value, "datasetName")

Open in new window


Finally, add a pagefooter to the designer view and enter the following:

=ReportItems!hidden_total.value

Open in new window


and you should get a running total.
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holemaniaAuthor Commented:
Thank you.  That worked.
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