[SalesForce] How to compare custom label value in IF condition on VF page

I have a requirement to compare a variable with a custom label to show or hide section on VF page. Eg:

<apex:inputText value="{!myVariable1}" 
                 rendered="{!IF(myVariable2 == $Label.labelValue , true, false)}" />

This gives me error. I think i am using incorrect syntax or something.

Best Answer

Why would you need that formula IF? You can just do <apex:inputText value="{!myVariable1}" rendered="{!myVariable2 == $Label.labelValue}"/>

I just tested this in my developer org, and it works.

Just remember that you probably have to set up myVariable2 for this to work. If you don't, then its value will default to null, and your input will never be displayed in the page.

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[SalesForce] How to an apex:pageBlockSection be rerendered if it originally has a render value of false

I've found before that if it's set to false when the page first renders then the element doesn't actually exist, so it's not technically a valid rerender target.

I've found the easiest way is to wrap your block in another element and rerender that instead:

<apex:variable var="v" value="" id="rerenderThis">
    <apex:pageBlockSection collapsible="false" columns="1" title="The Dynamic Section" id="theDynamicSection" rendered="{!ShouldDisplay == true}">
        <apex:OutputPanel>
            <div>Now you see me</div>
        </apex:OutputPanel>
    </apex:pageBlockSection>
</apex:variable>

[SalesForce] Apostrophe in custom label not showing on Visualforce page

Looks like you may just need to double up the quote in the label text.

"{0}" can''t be interpreted as a true/false value. Please check the box if this field is true.

Based on this half-related question: How to Escape Single Quotation Mark in String.format

Best Answer

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[SalesForce] How to an apex:pageBlockSection be rerendered if it originally has a render value of false

[SalesForce] Apostrophe in custom label not showing on Visualforce page

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