catencate null string in textfield

[2006 IR Open Discussion]

By: Minimini - minimini

catencate null string in textfield

2003-03-17 05:04

I create a textfield with expression

$F{a} + $F{b} + $F{c}

a,b,c are string that can be null, I want the JR to display blank when they are null. The expression above give me nullnullnull in the report.

 

i have try:

($F{a}==null)?"":$F{a} + ($F{b}==null)?"":$F{b} + ($F{c}==null)?"":$F{c}

but got compile error about incompatible types

 

Anyone can help me about this, thanks

 

 

 

 

By: Minimini - minimini

RE: catencate null string textfield (Omit it)

2003-03-17 05:09

Oh, I miss out the () for each ($F{a}==null)?"":$F{a}

 

I solve the problem now

 

 

 

 

By: Minimini - minimini

RE: catencate null string textfield (Omit it)

2003-03-17 05:09

Oh, I miss out the () for each ($F{a}==null)?"":$F{a}

 

I solve the problem now