Running Total in SSRS Matrix Column Groups

Currently            I have Period 0 and 1 and each period has 2 currencies called GBP and USD and I need Running Total for each period within a particular currency as we progress each period

Currently what we have
            
NAME      0                           1      
---------------------------------------------------------
        GBP  USD        GBP      USD
---------------------------------------------------------
cash       100        200        200      300

Results should be like this as below
                        
NAME      0                 1      
----------------------------------------------------
       GBP       USD          GBP      USD
-----------------------------------------------------
Cash      100       200          300      500

For period 0 GBP=100 and for period=200 the cumulative will be 100+200 should be diplayed on period 1. Any help is appreciated
SURESH0518Asked:
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Jim HornMicrosoft SQL Server Developer, Architect, and AuthorCommented:
Not really following your example, but the RunningValue function can be used in an expression to generate a running total of another column.

=RunningValue(Fields!GBP.Value,Sum,"ds_your_data_set")

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ValentinoVBI ConsultantCommented:
You should be able to use the RunningValue function as Jim mentioned but not as shown in the expression.  The first parameter of that function should be the name of the numeric field, possibly Fields!Cash.Value.  The aggregation should automatically be what you expect if you've set your groupings right.  For your matrix to show as you've described you should probably have have two Column Groups: first one on Period, the next one on Currency.  And no Row Groups.
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SURESH0518Author Commented:
I created two column groups called period and currency  and I need running total for each curreny as period increases

Initially the report is like this

Period 0                                   Period 1      Period  2
USD      GBP                      USD      GBP       USD  GBP
100       300                      500        600      1000   1200

Now I want to runningvalue for each currency for as period increases. I want to show result like this.

Period 0                                   Period 1         Period 2
USD      GBP                      USD      GBP         USD    GBP
100       300                      600        900        1600   2100

Let me how this possible in SSRS
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ValentinoVBI ConsultantCommented:
Well, yes it is.  Did you try the RunningValue as mentioned?  You can just add an additional column inside your matrix groups (easier to check if the sum is correct because you'll have the original data next to it) and enter the following:

=RunningValue(Fields!Cash.Value, Sum, Nothing)

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This assumes your numeric field is called Cash.  If it's not you'll have to change the expression accordingly.
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SURESH0518Author Commented:
I used  RunningValue(Fields!Cash.Value, Sum, Nothing) as you said but the problem some periods have 5 currencies and some periods have 7 currencies and how can add so many columns. If currencies are fixed then I can add another column as you said.
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ValentinoVBI ConsultantCommented:
The groupings should take care of that automatically.  Can you upload your report so that I can have a closer look at the design? (Make sure not to include any sensitive data)
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ValentinoVBI ConsultantCommented:
I did some testing and now I think I understand what you mean.  With RunningValue you can specify a scope but in your case you need the aggregation go over the Currency child group.  I don't think you'll be able to achieve your goal using this method...

Would it be an option to calculate the aggregations in the query itself?
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