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Focal Point    Focal Point Forums  Hop To Forum Categories  WebFOCUS/FOCUS Forum on Focal Point     Dynamic number of form elements

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anush
Member
posted
Here's the scenario...

I am going to be displaying a 2 x n matrix of textboxes on-screen and I want the users to be able to add/delete rows without having to post/refresh the screen (using DHTML); i.e. if I initially have a 2 x 5 matrix and a row is deleted, it becomes a 2 x 4 matrix.

The problem...

How would I be able to figure out how many rows are going to be passed back to the fex and how can I access those values? Assumming I call them:

PARM11, PARM12
PARM21, PARM22
PARM31, PARM32
...

I know how to dynamically assign the parameter names on the HTML side, but how do I dynamically determine if PARM 32 even exists?
 
Posts: 9 | Location: Boston | Registered: April 25, 2005Report This Post
TexasStingray
Master
posted Hide Post
If it was me I would give the all the same name. Then in the fex you have multiple variable with the same name but with a counter on the end. to access them you can use &VARNAME.&COUNTER.EXIST and see if the exist. &VARNAME.&COUNTER where counter EQ 0 tells you how many there are.
 
Posts: 865 | Registered: May 24, 2004Report This Post
anush
Member
posted Hide Post
Works great! Thanks for the tip.
 
Posts: 9 | Location: Boston | Registered: April 25, 2005Report This Post
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