Label's Visibility: set True when field is not null

Hi! I'm working on a single cell in which I'm displaying some info. I'm trying to validate the string lenght of one of my fields of the binding column in order to display the label if the value of the row is not null or in this case the string lenght of it is bigger that 0. 
 
if (BirtStr.charLength(row["SACCION_ASF"])>0){false} else {true};
 
The thing is it seems that even they are in the same cell it is never getting the value of the row...because each time it doesnÂ´t render. 
 
What I'm doing wrong?
 
Thank you in advanced

Find more posts tagged with

Comments

Matthew L.

I wonder if it's the data type for "SACCION_ASF" is effecting the BirtStr.charLength() command?
Do you have an example that you can share, to see if I can determine the cause of the issue?
Or can you modify my attached example to reproduce the issue?
 
In my own test on a string data type this same command worked for me:
<pre class="_prettyXprint">
if(BirtStr.charLength(row["STATE"]) > 0){false;}else{true;}
</pre>
Another command that also works for me is the following:
<pre class="_prettyXprint _lang-js">
if(!row["STATE"]){true;}else{false;}
</pre>
I've attached an example that has a test label's visibility set with the commands above to demonstrate.

MOnita

Well in my Cell I'm putting both: the Label and my row["FIELD"]: dataSetRow["SACCION_ASF"]
 
The problem is that in the expression Builder where I want to write this expression: if (BirtStr.charLength(row["SACCION_ASF"])>0){false} else {true};
 
the DataSet or bindings that are related to dataSetRow["SACCION_ASF"] doesn't appear...I'm writing the dataSetRow["SACCION_ASF"] directly... I guess that's not right. What can I do?

JFreeman

If you haven't bound the element to the data set where that row exists, it will not be accessible even if you manually code it.
 
Can you bind the element to the data set that contains that row?