Error Preview Report Cause by Paramenter

[wilsony]

Hi all, 
In my report i only passing two parameters (Datefrom and Dateto)
but when i preview report,input parameter and run report
it prompt exception and i check that in my query parameter show question mark (?)

 
anyone know what i supposed to do to fix this problem ?

[sadakar]

#  Did your query working with hard coded values ? 

The $X{[bETWEEN, <column_name>, <left_parameter_name>, <right_parameter_name>} clause function 

# Other way of using two date parameters is : between $P{StartDate} and $P{EndDate}

# Reference Guide ; http://jasperreports.sourceforge.net/sample.reference/query/