Nested IIF problem with IsNothing

Question

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Crystal (is working fine)

MIDL

if isnull({rptTrainingBillingInfo.OrderPrice}) then
(
    if isnull({rptTrainingBillingInfo.BillingRecordPrice}) then
        {rptTrainingBillingInfo.ItemPrice}
    else
        {rptTrainingBillingInfo.BillingRecordPrice}
)
else
(
    {rptTrainingBillingInfo.OrderPrice}
)

Reporting Services

VB

=IIF (IsNothing(Fields!OrderPrice.Value),
 IIF (IsNothing(Fields!BillingRecordPrice.Value), Fields!ItemPrice.Value, Fields!BillingRecordPrice.Value),
 Fields!OrderPrice.Value)

For some strange reason, the second IIF in SSRS when evaluating is given 0 always!

if I just evaluate the second IIF, I get a value

IIF (IsNothing(Fields!BillingRecordPrice.Value),Fields!ItemPrice.Value, Fields!BillingRecordPrice.Value)

But if I nested both IFF I don't.

Any idea? Thanks

Posted 21-Jun-11 6:21am

luisnike19

Updated 22-Jun-11 3:40am

v3

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Ruard · Answer 1 · 2011-06-22T02:06:00

Solution 1

I think that Fields!OrderPriceNatural.Value is the problem.
If evaluation in the first IIF statement fails, then you also see the wrong results: Fields!BillingRecordPriceNatural.Value (=0) instead of the evaluation of the second IIF statement.

Does the Fields!OrderPriceNatural.Value exist, does it have a value?

Try this statement to see if the first IIF statement is causing the problem:

=IIF (IsNothing(Fields!OrderPriceNatural.Value), 1, 2)

If you see 2 where you expected 1 then the problem is not caused by the nested IIF.

Posted 22-Jun-11 2:06am

Ruard

Updated 22-Jun-11 2:08am

v2

Comments

luisnike19 22-Jun-11 9:38am

Thanks for the reply, noup the first IIF is not the problem, when OrderPriceNatural.Value is not null it always print the correct value, in this case 2 or Fields!OrderPriceNatural.Value.
When is Null (or IsNothing) always 0.

[no name] 22-Jun-11 15:43pm

I would try this:
1) test the query for null/empty string values
2) print the values of Fields!OrderPrice.Value, Fields!BillingRecordPrice.Value, Fields!ItemPrice.Value, the second IIF statement and the original nested IIF statement in a new textbox.
3) Recreate the report and see if this solves the problem