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iw_iterate Question

RichieRich

Hello, I am trying to refer to a DCR item within a iterate. What I have is a field which is used has a flag, and during a loop of a replication field I want to check this 'outter node' to see if it's value is yes or no. It appears to be returning a blank value has if it's not visible within the scope of the iw_iterate. Below I posted some sample code of what I am trying to do.

Should I do a check on this Flag field and have two different loops? Example being the if statement first and then the loops with a else case.

<iw_iterate var='fld'' list='dcr.LoopField'>
<iw_if expr=" {iw_value name='dcr.FlagField'/} eq 'yes'">
<H2>FLAG was sent.</H2>
</iw_if>
</iw_iterate>

Or should I do

<iw_if expr=" {iw_value name='dcr.FlagField'/} eq 'yes'">
<iw_iterate var='fld'' list='dcr.LoopField'>
<H2>FLAG was sent.</H2>
</iw_iterate>
etc ....

-[ Richie Rich ]-

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Comments

akshathp

Sinc eyou said "replicant" I am assuming that LoopField is your replicant and FalgField is an item within that replicant. Correct?

If yes, then you can not refer to FlagField direct. It has to be refered as fld.FlagField
Please refer to the Templating Developers guide for details on replicant usage.

Also, do post your datacapture in this post to let us view how you have defined the items.

Hope this helps!

Akshat Pramod Sharma
Interwoven Inc.

RichieRich

The flag is located outside the replicant. Thats why I refer to it has dcr.flagvalue and not fld.FlagField

I attached the datacapture.cfg to clear this up also. I am wondering that if you are within a iw_iterate tag that you can only view nodes within that iterate and not outside of it via dcr.nodeName

-[ Richie Rich ]-

akshathp

Is this the correct datacapture? I can't find the fields you are talking about.
-Akshat

Akshat Pramod Sharma
Interwoven Inc.

RichieRich

just for the sake of keeping it simple I made up fields . If you look at the Parts Number field (Whcih is the replicant) I have a if statement which checks to see if its a Part Change . This is where my question applies. I am trying to refer to a field that is outside the iw_iterate tage,

-[ Richie Rich ]-

akshathp

OK, so that was just an example. Since you didn't mention I thought you posted an incorrect datacapture.

TPL will fetch the value of other items within iw_iterate whether they belong to the replicant or are an outer node. So, technically it should fetch the value. I would try and print the values for test purpose to see what exactly is it fetching. Maybe it is fetching in an order not exactly as required.
So:
1. Try printing out the values using iwpt_output for the items to verify.
2. Out of the two logics you wrote I would use the second one as that way we are calling if statement just once for entire loop. Otherwise it will unnecessarilly call if statement for each iteration. In this example, you are checking for one value of your flag field for entire loop replicant. So if shoul dbe outside the iterate.

Hope this helps!

Akshat Pramod Sharma
Interwoven Inc.

RichieRich

Thank you, I'll give that a shot when I get into work.

I was trying to avoid the second method simply because I do no want to duplicate the effort in doing such a simple task and it would also make it more easly maintained if I need to make changes. Point being, I wanted to keep it simple, clean and effective.

Thank you for your help. I will spit out the value of this outter node and if I find it not printing the values then I will post it along with my resolution.

-[ Richie Rich ]-

RichieRich

Below is the test I am performing. The output under ANY condition (if Part Number Change is 'yes' or 'no') still displays the content between the iw_if tag. This is the test I am using to check if dcr.Part Number Change is yes or no.

This should eval to false if Part Number Change is yes and true if its equal to no. But regardless to either values it still displays the content.

<iw_if expr=' {iw_value name="dcr.Part Number Change"/} eq "no" ' >
<iw_then>
no=|<iw_value name='dcr.Part Number Change'/>|
</iw_then>
</iw_if>

Any idea?

-[ Richie Rich ]-

Edited by RichieRich on 12/18/02 10:01 AM (server time).

Adam Stoller

Just a wild shot in the dark - instead of:

< iw_if expr='{iw_value name="dcr.Part Number Change"/} eq "no" ' >

Try this:

< iw_if expr='"{iw_value name='dcr.Part Number Change'/}" eq "no" ' >

I'm just thinking along the ways of what this might look like when it's fully evaluated. To me the original might look like:

if (some_value eq "no")

where I think you want it to look like:

if ("some_value" eq "no")

But as I said, this is completely a shot in the dark - I don't have time to really look at / think about it right now.

--fish
(Interwoven Senior Technical Consultant)

akshathp

I tried running your code on my test server and it works like a champ. There is something else going on possibly... Not sure what.
Is it happening just for this tempalte or any tempalte that you have on your server?

Akshat Pramod Sharma
Interwoven Inc.

RichieRich

Here is the DCR and TPL.

I tried has a test what -fish said and that didn't work.

-[ Richie Rich ]-