About chart ?

[SOYHU]

Can i develop the below chart by plot x and y axis as string(not number)values?

size=245]http://www.jasperforge.org/components/com_joomlaboard/uploaded/images/chart-595d72bc06bc394a5224413853c6edcb.jpg

i would like to display string(not number) value on y axis, i fetch string column from database for plotting the graph, while i was running the report the error message be generated as below:

|

v

-------------------------------------------------

ÂCompiling to file... C:YHU2.jasperE-commerce_Reporttest_graph.jasper -> C:YHU2.jasperE-commerce_Reporttest_graph.java

Errors compiling C:YHU2.jasperE-commerce_Reporttest_graph.jasper.

net.sf.jasperreports.engine.JRException:ÂErrorsÂwereÂencounteredÂwhenÂcompilingÂreportÂexpressionsÂclassÂfile: 1.ÂsoyhucolumnÂcannotÂbeÂresolved ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂvalueÂ=Â(java.lang.Comparable)(soyhucolumn); ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂ<-----------> 2.ÂCannotÂcastÂfromÂStringÂtoÂNumber ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂvalueÂ=Â(java.lang.Number)(((java.lang.String)field_NAME.getValue())); ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂ<----------------------------------------------------------->

 

-------------------------------------------------

 

please advise me

Thanks in advanced.

 

Post edited by: SOYHU, at: 2007/10/19 03:15

Post edited by: SOYHU, at: 2007/10/19 07:48

[svenn]

Why do you want to display strings instead of numbers? In the end are they not going to be the same value just a different format?

[SOYHU]

I want to plotting a chart ( coordinate x and y ) by using a string as a parameter.

this is my chart

| |

| |

v v

size=332]http://www.jasperforge.org/components/com_joomlaboard/uploaded/images/result1.JPG

 

please advise me

thank you very much.

Post edited by: SOYHU, at: 2007/10/20 12:41