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Kon DeleKon Dele 

How to dynamically select all multi-select picklist values based on checkbox

I have a class and trigger that copies selected values but is there a way to dynamically select all values in a multi-select picklist when an All Offices checkbox is checked?
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Here's my code: 
public class OfficeUpdateClass {
    public static void UpdateOffices (ContentVersion[] ContentVersion1){
        for(ContentVersion cv: ContentVersion1){        
            String pickValuesStr;
            if(!String.isBlank(cv.Office__c)){
                List<String> pickValues = cv.Office__c.split(';');
                for(String str : pickValues){
                    if(String.isBlank(pickValuesStr)){
                        pickValuesStr = str;
                    }else{
                        pickValuesStr = pickValuesStr + '\n' + str;
                    }
                }
            }
            cv.Content_Offices__c = pickValuesStr;  
        }
    }
and the trigger: 
trigger OfficeUpdateTrigger on ContentVersion (before insert, before update) {
    ContentVersion[] ContentVersion1 = Trigger.new;
        OfficeUpdateClass.UpdateOffices(ContentVersion1);
}



 
AmulAmul
Hi Kon,

YOu can see my post here.

http://amulhai.blogspot.in/2013/05/multiselect-dependent-picklist-in.html