reporting services - SSRS calculating IF THEN ELSE with nulls -

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i trying create calculated field in ssrs dataset fields need summed have nulls , can't formula correct. below description of trying do

if value.field1 = 1 , value.field2 not null,     use value.field2 otherwise     use value.field3

i sure there simple answer this, new ssrs , can't seem find right answer.

you should able this. check value of field1 , boolean value of whether or not field2 null.

iif(fields!field1.value = 1 , isnothing(fields!field2.value) = 0, fields!field2.value, fields!field3.value)

the iif() statement ssrs structured in way:

iif(conditional logic , executed if evaluated true, executed if evaluated false)


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