String variable please help

[mau72]

I need having a variable one string where to hang various fields.

 

This operation in Crystal Report came then made declaring a field of Stringvar type and hanging gradually the necessary fields.

 

Practically I have need to carry out of the operations type $V{variable} = $V{variable} + $F{field} under various conditions.

 

Unfortunately me it seems to have understood that this is not possible in iReport therefore is to ask like being able to make. Thanks

[walmillard]

Yes.

 

you need to create a counter variable, and create a group for your $F{Field}. Set the counter to SUM the $F{Field} group on change.

 

luck

W

[jmurray]

Walmillard, mau72 is after string concatenation.

 

Mau72 you concatenate strings exactly as you have described ( $V{variable} = $V{variable} + $F{field} ), however you can't 'cycle through' the fields. What you would need to do is more like this:

 

 

$V{variable} = $F{field1} + $F{field2} + $F{field3} etc.

 

 

If field2 was (say) an Integer you would have to perform an inline cast to String like this:

 

 

$V{variable} = $F{field1} + $F{field2}.toString() + $F{field3} etc.