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can you help when to use field and when to use parameter and variable in jasper?


can you help when to use field and when to use parameter and variable in jasper?

By : user2956293
Date : November 22 2020, 10:54 AM
around this issue you can use textfield for the "name". and use table for tabular data related to employee dependents.
for that you need to pass a Map parameter as- name , and list of dependents. then u can set datasource for table.
code :


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Jasper iReport - how to call a subdataset with parameter using a variable expression?

Jasper iReport - how to call a subdataset with parameter using a variable expression?


By : Nitin Gupta
Date : March 29 2020, 07:55 AM
wish helps you Marianna,
Could you build a tax field into your query? You could create a case statement to evaluate the state where the purchase was made. Your query could spit out the pre-tax price, the tax value, and the post-tax price. The case statement would look something like (I'm using Oracle, you may need to adjust for your database):
code :
 CASE
 WHEN PURCHASE_STATE = 'NY' THEN 1.08          
 WHEN PURCHASE_STATE = 'NJ' THEN 1.06     
 WHEN PURCHASE_STATE = 'DE' THEN 1.00    
 ELSE 1.05                               /** default value **/
 END AS TAX_RATE
 $F{PURCHASE_STATE} == "NY" ? "1.08" : 
   $F{PURCHASE_STATE} == "NJ" ? "1.06" :
     $F{PURCHASE_STATE} == "DE" ? "1.00" : "1.05"
 SELECT P.PURCHASE_ITEM                   AS ITEM, 
      P.PURCHASE_PRICE                    AS PRICE, 
      P.PURCHASE_STATE                    AS STATE, 
      (SELECT T.TAX_RATE 
           FROM TAX_TABLE T 
           WHERE T.STATE = P.PURCHASE_STATE
      )                                   AS TAX_RATE, 
      PURCHASE_OTHER_INFO                 AS OTHER
 FROM PURCHASE_TABLE P
Jasper Page break on New Field/Variable

Jasper Page break on New Field/Variable


By : Rohit Khatod
Date : March 29 2020, 07:55 AM
will be helpful for those in need You just want the report to start a new page when $F{MyField} changes value.
In this case simply create a group with 'Group Expression': $F{MyField}
Jasper Report: Store in variable value of parameter bean property

Jasper Report: Store in variable value of parameter bean property


By : icare
Date : March 29 2020, 07:55 AM
I wish did fix the issue. I've resolved my issue, changing the procession time of variable, put the value as "REPORT"
The default the value has set on "NOW" (I think - in italian, version used the value named "ADESSO")
Jasper Report 5.2: Resource bundle parameter using variable

Jasper Report 5.2: Resource bundle parameter using variable


By : twarzu
Date : March 29 2020, 07:55 AM
I hope this helps . Is it possible to have something like the following? , That won't work, you'll have to do str($P{my_paramater}).
Jasper pass formatted text as field jasper change format

Jasper pass formatted text as field jasper change format


By : Sasidhar Reddy Arava
Date : March 29 2020, 07:55 AM
it should still fix some issue It is as I suspected you are passing a String with page break, spaces and maybe tabs. Jasper report will not try to format as table, it will simply display your string and depending on font type, etc you will have different result.
If you like to create a table format instead of a String you need to pass a JRDataSource, and use for example a subreport to display the data.
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