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Cewolf help !!

vicky chauhan
Ranch Hand

Joined: Nov 27, 2008
Posts: 41
Hi,

I am making a webapplication which uses cewolf to generate barchart.

1) data for the barchart should come from produceDataset(Map params) - so i have kept all the code for accessing data from database there.

2) JSP using cewolf tags will create an instance of above dataproducer class and will call that function - will get the data from database - produce the chart - happy ending.......

3) problem is, i want a primary key (say username) based on which i will retrieve rows from database related to that key only... using session.setAttribute() i am able to pull that value till final jsp which is using cewolf.

BUT I AM NOT GETTING HOW TO PASS THIS VALUE TO produceDataset(Map params) ??

Need help on this... I know i have to set params to key value in jsp and using "Map params" have to retrieve that inside produceDataset function.. BUT I DONT KNOW HOW TO DO IT ??

could anyone show example code for doing this..
a) setting params to value i want to pass to produceDataset in JSP and to retrieve those params to use with database inside produceDataset method...


Thanks a lot!!
 
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subject: Cewolf help !!