SSRS Lookup Function
i have textbox, want display rownumber located in table based upon here lookup not work: it wants see aggregate. there 1 distinct value "rm 1005" in fields!roomno.value column dataset, , want display rowid. what wrong here? =lookup(fields!roomno.value, "rm 1055" , fields!rowid.value, "dscheckinsteps" ) hi jmcpsd, the syntax of lookup function is:lookup(source_expression, destination_expression, result_expression, dataset) source_expression: (variant) expression evaluated in current scope , specifies name or key up. example, =fields!prodid.value. destination_expression: (variant) expression evaluated each row in dataset , specifies name or key match on. example, =fields!productid.value. result_expression: (variant) expression evaluated row in dataset source_expression = destination_expression, , specifies value retrieve. example, =fields!productname.value. dataset: constant specifies name of dataset in report. example, "produc...