Mandatory item validation at a page level?

Hi,
We have a page where the list of mandatory items changes according to how some 'key' items are set by the user e.g. if they select option 1 on item 1 we need a different set of mandatory fields than if they set option 2 - setting option 1 in item 4, may imply that some further items are mandatory, In addition, some items become mandatory due to circumstances known only on the database. We have in excess of 40 items on this page. Once all mandatory items are complete, the status of the page is saved as 'complete' - the user can always save the page as 'incomplete'.
We already have a database package that can check a table row to see if it is 'complete', it knows all the circumstances for when an items becomes mandatory and can produce a list of fields and the reasons why they have failed validation.
Is it possible to call this db package during page validation and use it to perform 'item' validations i.e. identify the invalid items and place the appropriate message inline with them?

Hi,
You can create a pl/sql page validation where you call you procedure.
begin
package_k.proc_p(item1,item2,...,itemN);
end;
You should define the type of the validation, but it is very straight forward,
Regards,
Max.

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Do validations in the page level

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I want to do validate the EMAIL field in my page as unique, for that i want to do validate in the entity level or what i want do?
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Thanks In Advance,
SAN

Sundaravaradhan,
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--Anil
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Item & page level validation

1. How do I check/see if a validation rule is page level or item level, I couldn't find any difference in the definitions between the two as seen on the definition screens in APEX.
2. (Could be related to 1.) I expected the validation rule 'Item in Expression1 contains at least one of the characters in Expression2' to imply that Expression1 can not be NULL. I had to create a separate IS NOT NULL validation rule however. To me that does not make sense or is there a reasonable explanation?
tia,
Martin

Martin,
As Tony said, there is no difference between page and item validations other than the ability for item validations to have error messages positioned right next to their label.
As for the null value problem, the following "item comparison" -type validations do not produce a validation error if the specified item is null:
* Item specified contains no spaces
* Item specified is a valid date
* Item in Expression 1 contains only characters in Expression 2
* Item in Expression 1 contains at least one of the characters in Expression 2
* Item in Expression 1 does not contain any of the characters in Expression 2
This allows you to account for the null value case with a separate "not null" validation. Without this behavior there would have to be a "Item in Expression 1 is NULL OR <remainder of validation>" -type validation in addition to each of the above validation types.
However, the following validation types do result in a validation failure if the item is null:
* Item in Expression 1 equals string literal in Expression 2
* Item in Expression 1 is contained in Expression 2
This behavior appears to be an oversight, also spelled bug.
Scott

Item Level & Page Level Validation..

Hi ,
What is the difference between Item Level validation & Page Level validation..
in which sceneario it will be useful.
Anoo..
Edited by: Anoo on Dec 16, 2008 5:04 AM

Hi,
From the APEX help:
* Item level validations are specific to a single item.
* Page level validations do not apply to any single item, but apply to an entire page.
{code}
Paulo Vale
[http://apex-notes.blogspot.com]

Page level validation to prevent duplicate data entry into the database

Hello,
Can anyone please help me out with this issue.
I have a form with two items based on a table. I already have an item level validation to check for null. Now I would like to create a page level validation to check that duplicate data are not entered into the database. I would like to check the database when the user clicks on ‘Create’ button to ensure they are not inserting duplicate record. If data already exist, then show the error message and redirect them to another page. I am using apex 3.2
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Hi,
Have you tried writing a PLSQL function to check this?
I haven't tested this specifically, but something like this should work:
1) Create a Page Level Validation
2) Choose PLSQL for the method
3) Choose Function Returning Boolean for the Type
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DECLARE
    v_cnt number;
BEGIN
    select count(*)
    into v_cnt
    from
    your_table
    where
    col1 = :P1_field1 AND
    col2 = :P2_field2;
    if v_cnt > 0 then return false;
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    end if;
END;If the query returns false, then your error message will be displayed.
Not sure how you would go about redirecting after this page though. Maybe just allow the user to try again with another value (in case they made a mistake) or just press a 'cancel' button to finish trying to create a new record.
Amanda.

Aplication Vs. Page level items for application process

Hi,
I have many application processes in my applications, many of them take parameters.
Right now I am passing parameters using page level temporary items. This is causing each page to have many items that are only used for calling the application process.
Is it better to use application level items for this purpose?
any pros and cons for each of these?
~Ketan

Arie,
Are you saying that the condition only apply to rendering the item, but the APEX engine will still consider such an item a valid “internal” variable?
Yes. The absence of a condition on a page item or a condition that evaluates to true simply allows it to be rendered on the page. The existence of the item in the page definition allows it to hold session state.
We're planning to introduce a non-displaying page item type just for this purpose, sort of a scratchpad variable with no display properties, like an applicaition item but defined on a page.
Scott

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We have created a Portal application where we included different applications as taskflows. We have also created a tabbed interface which helps us to communicate from one task flow to another taskflow. When we are in one page of taskflow and try to move to another page of different taskflow using tabbed interface we receive mandatory field validation error which prevents us to move to any other page until we fill all the mandatory fields. We need to move to different page of taskflow by using the tabbed interface even without filling all the necessary mandatory fields. Can anyone help us to resolve this issue as this is very important for our project.

<b>Layout</b>
<%@page language="abap" %>
<%@extension name="htmlb" prefix="htmlb" %>
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<%
if lv_no_pernr = 'X'.
%>
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alert ("Personnel no. is not Valid")
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</htmlb:content>
<b>ONINPUTPROCESSING</b>
DATA: l_pernr TYPE persno.
DATA: data TYPE REF TO cl_htmlb_inputfield.
data ?= cl_htmlb_manager=>get_data( request = runtime->server->request
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IF sy-subrc NE 0.
lv_no_pernr = 'X'.
ENDIF.
<b>PAGE ATTRIBUTES</b>
lv_no_pernr     TYPE     FLAG
lv_pernr     TYPE     PERSNO
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A

Page item validation

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What is the validation? What version are you in?
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Page item validation does not get removed

Hi All,
I had a page item validation defined on the page and later removed by deleting the validation in the 'page processing' in Application Builder. However, the validation still seems to execute at runtime. Can anyone tell me if it needs to be deleted from some other place as well.
Thanks

What is the validation? What version are you in?
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Date pickers has other attributes that can declaratively validate range.

How to implement a page level validation !!

Hello ,
I want to implement page level validation.
thanks
Edited by: kumar73 on Apr 21, 2010 1:41 PM

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begin
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Hi all,
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Page copy seems to mess up item validation referenced fields in new page

Hello team,
this morning i create two pages as a copy of an existing page in Apex 4.0.1.
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I just did this again a few seconds ago, so i am pretty sure this is a repeatable error.
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http://oraclequirks.blogspot.com
http://www.yocoya.com

Hi Flavio,
I was able to reproduce this, of sorts. I created 2 regions each containing 4 page items, named in the way you describe. Then created item validations on all of those page items. Copied the page and the copied page contains some validations with a null 'Associated Item' value. Although, none were changed to a different item as you describe, in my test case.
I have filed bug #10198224 for this issue.
Thanks for reporting.
Regards,
Anthony

Apexlib page item validation not shown correctly

Good morning guys! I have a question concerning the Apexlib page item validations.
Basically I just want to validate page item values and have errors displayed in a notification region on the very same page on submit.
I set up the Apexlib, which works perfectly for reports. However, when it comes to the page item validations, I am always rerouted to the Oracle Error page.
Do you know why or have you experienced similar problems?
Here is a part of the debug code when the error page is initialized.
Processing point: ON_SUBMIT_BEFORE_COMPUTATION
0.03: ...Process "ApplyMRU": MULTI_ROW_UPDATE (ON_SUBMIT_BEFORE_COMPUTATION) #OWNER#:VT_TBL_TOTHOLZ:CNT_TOTHOLZ
0.04: Branch point: BEFORE_COMPUTATION
0.04: Computation point: AFTER_SUBMIT
0.04: Tabs: Perform Branching for Tab Requests
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0.04: Perform validations:
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0.04: ...Process "ApexLib-Before Computation/Validation": PLSQL (AFTER_SUBMIT) BEGIN ApexLib_Lov.clearLovNullValues; ApexLib_Item.validateItems; ApexLib_TabForm.validateColumns; -- ApexLib_Error.showErrorStack; END;
0.06: Show ERROR page...
If you have an idea please be so kind as to let me know!
Many thanks,
Seb

Hi Peter!
Thanks for having a look!
I am using Apex 3.2 and Apexlib 1.6!
Like I said, the report validations are functioning properly! It's just the error message is not displayed on the same page in a notification field. Instead the user is redirected to the original Apex Error Page when the error is caught.
What validation do I want to carry out?
I tried to verify the input of a text box with $APEXLIB_MAX_VALUE=10$.
I thought it might be a minor problem, which I couldn't find. Already checked the installation of Apexlib twice. Seems to be alright.
Best regards,
Seb
PS: Have a splendid WE

SharePoint Error "The security validation for this page is invalid" when delete an item

Hi,
I have SharePoint 2010 setup and works fine until today all of a sudden it throws error "The security validation for this page is invalid" when delete a SharePoint document or list item.
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hi,
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Recommended practice for handling page level validation?

I'm wondering what the recommended practice is for handling what I would call "page level validation?"
For example, I have two text boxes. Either one text box or the other must have a non-null value. If they are both null, I want the page validation to fail and redisplay the page the same way it would if validation for a particular field failed. However, I don't want the message that is posted to be associated with either of the two text boxes. I want it to use some other unique ID because I want to display the error text at a location that is different than for either of the text box error messages.

The reason I don't want to use a custom converter is because I'm using a custom tag/renderer which aggregates several HTML input components and has complex conversion logic. Maybe I could chain things together, but, a converter should be used for conversion not validation. Secondly, I don't understand why validation occurs after conversion. This seems backward to me.
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if(value1 == null && value2 == null) {
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This is really stupid. I can't believe something that should be so simple is so difficult in JSF. I'm planning on taking a closer look at ASP.NET. I'm pretty sure all you have to do in ASP.NET is override a method to do this and you have access to all the form controls as variables within the Page object. i.e. no having to lookup the controls using a method and a client ID.

Mandatory item validation at a page level?

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