reporting services - Getting the error "Data retrieval failed for the subreport, 'Subreport1'" while trying to preview a report from Business Intelligence Studio -

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i know question has been asked before, questions reports being accessed using c# or vb.net code. problem building , accessing report using business intelligence studio, trying add sub report report, , made sure parameters , ok. when try access report containing subreport, error "data retrieval failed subreport, 'subreport1'".

i tried deleting .data files same problem persisted.

i faced similar issue in past , in case below culprit's

1] parameter main report sending null value sub report.

2] data type of parameter different actual data type.

please check if doing same.


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