thnaks for your response ,but another problem occur ,if I use the control struct such as "if then else" is selection expert,then the selection will not be push to database server, so database base server will return all the result ,it is terrible ,if so ,the perfromance is very low.How...
I have a report with a datetime parameter.
If user input the parameter,then the report will retrieve date as user input ,else if user havn't input date,the report will retrieve the yesterday data by default.how should i do?Thanks!!!
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