reporting services - #Error in rdlc report -

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i have stored procedure return dataset rdlc. particular field i'm looking when executed in sql not return null or empty values. when report rendered, value returned #error.

my expression =iif(isnothing(fields!minscorevalue.value),0,fields!minscorevalue.value)

minscorevalue function returned value. datatype of return value of function int. datatype in data table(xsd) corresponding field system.int32

i made mistake of using 1 data set report , changing data set minscorevalue field later never updated code behind use new stored procedure.


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