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Questions tagged [containskey]

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Help with Map containskey

I have something wrong with my map containskey filter as it isn't finding the existing user. Maps still tie my mind up so this is probably simple and I am just not spotting what I have done wrong. @...
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Use CONTAINS in Visualforce Page Map

I have an apex:pageblocktable in VF Page with 2 columns. The 2nd column is displayed from a map. <apex:pageBlockTable value="{!noZips}" var="Zip"> <apex:column value="{!Zip.ZipCode}" ...