*** Expressions Using Values from Two Different Matrices in SSRS

Hello,

I am trying to create a % expression in Matrix_A that uses numerator from Matrix_A and denominator from Matrix_B.

Matrix_A has a Total row text box populated as SUM(TOTAL)... next to it I want a % box populated with:

Matrix_A.SUM(TOTAL)  /  Matrix_B.SUM(TOTAL_MBRS)... which is the Total row from Matrix_B

Is this possible?

Thanks
dunkin1969Asked:
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ValentinoVBI ConsultantCommented:
Not sure if it will work but I guess it's worth a try.  You could try referencing the textboxes that contain the SUM() using this syntax: ReportItems!TheMatrixASUMTxtbox.Value / ReportItems!TheMatrixBSUMTxtbox.Value
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Jim HornMicrosoft SQL Server Developer, Architect, and AuthorCommented:
Just a thought ... avoid this entirely by calculating the percent as columns in T-SQL, that way all SSRS has to do is display those columns.
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dunkin1969Author Commented:
Thanks ValentinoV.  I errored out trying that method, but now will try other variations of it.  (Use text box vs matrix, eliminate calculatiion, etc)
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dunkin1969Author Commented:
Thanks JimHorn... I was going to do that as an alternative.  I was just trying to figure out if it was possible to do in SSRS... as it would make life so much easier for me.  I'm used to Business Objects where it was so easy to reference other text boxes/cells, even if the other text boxes were text, formulas, calculations, etc.  

I create so many calculations on the fly in SSRS (using fields from multiple datasets) , that it would be time consuming to go and redo each query in each dataset.
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Jim HornMicrosoft SQL Server Developer, Architect, and AuthorCommented:
ValentinoV is one of the most experienced SSRS developers we have here, so if his answer starts with 'Not sure if it will work' then that's a sign to redesign another way.

Besides, if you have T-SQL in SP's that are the data source for two matrixes, it should be a lot easier to handle the percentage there then rely on an SSRS expression.
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ValentinoVBI ConsultantCommented:
If referencing the textboxes didn't work you could try using the SUM() function with scope specification, but that will probably not be straightforward either unless you need the actual real total of a column over the whole dataset.  In that case:

=Sum(Fields!SomeField.Value, "SomeDataset")

As scope you can also specify the group names as set up in your tablix but I think that will only work when the textbox containing the expression is located within that same tablix...  Which is possibly where your textbox is, so I guess this might work after all :)

But still, if the above won't work then, as Jim said, consider calculating this in a query...
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dunkin1969Author Commented:
Thanks ValentinoV.  I'm still getting errors so I'm going to calculate using the query.  Thanks for the input.
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