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  • Hemendra Malik 16
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preset selected values for lightning:dualListbox

How can I get lightning:dualListbox to show preselected list of values? I've tried what I've seen on developer's blogs but for some reason my right list is always empty. (API v.43)
  
​<aura:attribute name="countryOptions" type="List" default="[
                                                               { label: 'United Kingdom', value: 'GB' },
                                                               { label: 'Netherlands', value: 'NL' }]"/>

<aura:attribute name="existingValues" type="List" default="[ {label: 'United Kingdom', value: 'GB' }]" />

   
<lightning:dualListbox  label= "Select Country"  sourceLabel="Available"  selectedLabel="Selected" 
                                              options="{!v.countryOptions}" 
                                              value="{!v.existingValues}"/>

 
  • August 01, 2018
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