[SalesForce] The value ‘null’ is not valid for operator ‘>’

I have an output text field in visualforce page, which has a rendered condition. A few permission set does not have access to that object being checked in the rendered condition and we are getting this error:

The value 'null' is not valid for operator '>'. Error is in expression '{!cert.certiObj.Insured_Informations__r.size > 0}' in component in page dispositionpage`

Is there any work around to still render the page succecssfully to ignore the error?

<apex:outputText value="{!cert.certiObj.Insured_Informations__r[0].Insured_Info_Name__c}" rendered="{!cert.certiObj.Insured_Informations__r.size > 0}" id="prodName2"/>

How do I check if Cert.certiObj is null then don't check for null on child obj?

Best Answer

You can check if your collection is null before comparing its size. Note this error indicates cert.certiObj.Insured_Informations__r is null, not cert.certiObj.

<apex:outputText ...
    rendered="{!AND(cert.certiObj.Insured_Informations__r != null, cert.certiObj.Insured_Informations__r.size > 0)}" />

However, this approach is quite clunky, and it may be worth just caching the Boolean as a property:

public Boolean getHasInformation()
{
    return cert.certObj.Insured_Informations__r != null &&
        !cert.certObj.Insured_Informations__r.isEmpty();
}

Then in your markup simply:

<apex:outputText ...
    rendered="{!hasInformation}" />

Related Solutions

[SalesForce] Angular

Tehnrd,

Long story short:

ng-options validates the Options list it generates against the evaluated scope statement given to it.

From your source above, '--choose color--' isn't part of the $color array. While the docs specifically mention using a option element with an nil value for the "nothing selected" element, I've discovered that visualforce strips the options tags that have a nil value. If you look at your visualforce rendered source, the nil value option element is missing. Because the element is missing, ng-option is inserting a blank select option.

Two ideas for a direct workaround

1: Given a select object with id "colorSelect":

angular.getElement('#colorSelect').append('<option value=\'\'>--choose color--</option>');

before your ng-options directive is executed. thats ugly and hacky and i don't like it. Likewise you could alter the value, if you chose that way. Thats actually probably a better way.

2: I think the most-elegant way to do this (and it's still lipstick on a pig) is to add your '--choose color--' option to the $scope.colors array as a value. Ng-options will render it as the selected option once you set $scope.color = '--choose color--'

Then create a watch function that removes '--choose color--' from the array when $scope.color changes.

Here's a js Fiddle with the watch statement doing it's job and the default being chosen from teh given array.

http://jsfiddle.net/Nr9L4/

[SalesForce] How to display 1 out of 2 possible fields values in same column : visual force

Your Attempt 2

There is an error in second attempt. You don't want to enclose '/' within quotes. Please try following - it worked for me:

<apex:column title="Estimated Delivery Date at time of Order">
    <apex:facet name="header">EDD</apex:facet>              
        <apex:outputText value="{!IF(
            OR(p.material_group__c = 'N2', p.material_group__c = 'L2'),
            'week of-{0, date, MM/d/yyyy}', '{0, date, MM/d/yyyy}'
        )}">
            <apex:param value="{!p.planned_ship_date__c}" />                            
        </apex:outputText>

Your Attempt 1

I wanted to help here as well but I could't find an error in this approach. I copied your example and tried in one of my tables but it was working fine.

Best Answer

Related Solutions

[SalesForce] Angular for null not working in Visualforce

[SalesForce] How to display 1 out of 2 possible fields values in same column : visual force

Related Topic

[SalesForce] Angular