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Can you output map values in visualforce inline using a string key?


'Map key null not found in map' when using apex:pageBlockTableMap of attachment insertionNeed help writing test Apex ClasseNot able to escape quote in visualforce page?(VF) How Do I pull a picklist from a related object as an input field onto a VF page that uses the Standard Controller with extensions?Help with sorting the name from first last to last firstTest Class Variable ErrorDisplaying map in Visualforce - key with List<List<>> valuesHow do Maps get populated when using SOQLhow to display picklist values which is stored in custom settings values based on the condition






.everyoneloves__top-leaderboard:empty,.everyoneloves__mid-leaderboard:empty,.everyoneloves__bot-mid-leaderboard:empty margin-bottom:0;








4















Can you output a value from a map in a custom extension without or it being in a table? Tried the below and did not work.



example extension:



public without sharing class Example 
public List<Custom_Object__c> records get; set;
public Map<String,Custom_Object__c> map get; set;
public String recId get; set;
public Example(ApexPages.StandardController stdController)
recId=ApexPages.CurrentPage().getparameters().get('id');
records =
[select Name, field1__c,field2__c,field3__c from Custom_Object__c where Id=:recId ];
Map<String, Custom_Object__c> map = new Map<String, Custom_Object__c>();

String key;
for(Custom_Object__c record :records)

if(record.field3__c.contains('foo'))
key = 'foo_'+Name;
else
key = 'bar_'+Name;

if(record!=null)
map.put(key, record);








display values like below in visualforce.



<p>Lorem ipsum dolor <apex:outputText value="!map['foo test'].field1"/>. <br/>
Neque porro quisquam est qui dolorem <apex:outputText value="!map['bar test2'].field2"/>...
</p>









share|improve this question

















  • 1





    What happened i.e. exactly how did it not work?

    – Keith C
    May 22 at 13:34











  • You have a local variable called map in your constructor that hides the map property. Change Map<String, Custom_Object__c> map = new Map... to map = new Map... so you are assigning to the property in the constructor. The pattern you are using does work.

    – Keith C
    May 22 at 13:35












  • Thanks Keith, thats exactly what it was.

    – Thaier Issa
    May 22 at 13:42











  • I've posted that as an answer; accept it and then others won't be distracted thinking you still need an answer.

    – Keith C
    May 22 at 13:48

















4















Can you output a value from a map in a custom extension without or it being in a table? Tried the below and did not work.



example extension:



public without sharing class Example 
public List<Custom_Object__c> records get; set;
public Map<String,Custom_Object__c> map get; set;
public String recId get; set;
public Example(ApexPages.StandardController stdController)
recId=ApexPages.CurrentPage().getparameters().get('id');
records =
[select Name, field1__c,field2__c,field3__c from Custom_Object__c where Id=:recId ];
Map<String, Custom_Object__c> map = new Map<String, Custom_Object__c>();

String key;
for(Custom_Object__c record :records)

if(record.field3__c.contains('foo'))
key = 'foo_'+Name;
else
key = 'bar_'+Name;

if(record!=null)
map.put(key, record);








display values like below in visualforce.



<p>Lorem ipsum dolor <apex:outputText value="!map['foo test'].field1"/>. <br/>
Neque porro quisquam est qui dolorem <apex:outputText value="!map['bar test2'].field2"/>...
</p>









share|improve this question

















  • 1





    What happened i.e. exactly how did it not work?

    – Keith C
    May 22 at 13:34











  • You have a local variable called map in your constructor that hides the map property. Change Map<String, Custom_Object__c> map = new Map... to map = new Map... so you are assigning to the property in the constructor. The pattern you are using does work.

    – Keith C
    May 22 at 13:35












  • Thanks Keith, thats exactly what it was.

    – Thaier Issa
    May 22 at 13:42











  • I've posted that as an answer; accept it and then others won't be distracted thinking you still need an answer.

    – Keith C
    May 22 at 13:48













4












4








4








Can you output a value from a map in a custom extension without or it being in a table? Tried the below and did not work.



example extension:



public without sharing class Example 
public List<Custom_Object__c> records get; set;
public Map<String,Custom_Object__c> map get; set;
public String recId get; set;
public Example(ApexPages.StandardController stdController)
recId=ApexPages.CurrentPage().getparameters().get('id');
records =
[select Name, field1__c,field2__c,field3__c from Custom_Object__c where Id=:recId ];
Map<String, Custom_Object__c> map = new Map<String, Custom_Object__c>();

String key;
for(Custom_Object__c record :records)

if(record.field3__c.contains('foo'))
key = 'foo_'+Name;
else
key = 'bar_'+Name;

if(record!=null)
map.put(key, record);








display values like below in visualforce.



<p>Lorem ipsum dolor <apex:outputText value="!map['foo test'].field1"/>. <br/>
Neque porro quisquam est qui dolorem <apex:outputText value="!map['bar test2'].field2"/>...
</p>









share|improve this question














Can you output a value from a map in a custom extension without or it being in a table? Tried the below and did not work.



example extension:



public without sharing class Example 
public List<Custom_Object__c> records get; set;
public Map<String,Custom_Object__c> map get; set;
public String recId get; set;
public Example(ApexPages.StandardController stdController)
recId=ApexPages.CurrentPage().getparameters().get('id');
records =
[select Name, field1__c,field2__c,field3__c from Custom_Object__c where Id=:recId ];
Map<String, Custom_Object__c> map = new Map<String, Custom_Object__c>();

String key;
for(Custom_Object__c record :records)

if(record.field3__c.contains('foo'))
key = 'foo_'+Name;
else
key = 'bar_'+Name;

if(record!=null)
map.put(key, record);








display values like below in visualforce.



<p>Lorem ipsum dolor <apex:outputText value="!map['foo test'].field1"/>. <br/>
Neque porro quisquam est qui dolorem <apex:outputText value="!map['bar test2'].field2"/>...
</p>






apex visualforce map controller-extension






share|improve this question













share|improve this question











share|improve this question




share|improve this question










asked May 22 at 13:19









Thaier IssaThaier Issa

233




233







  • 1





    What happened i.e. exactly how did it not work?

    – Keith C
    May 22 at 13:34











  • You have a local variable called map in your constructor that hides the map property. Change Map<String, Custom_Object__c> map = new Map... to map = new Map... so you are assigning to the property in the constructor. The pattern you are using does work.

    – Keith C
    May 22 at 13:35












  • Thanks Keith, thats exactly what it was.

    – Thaier Issa
    May 22 at 13:42











  • I've posted that as an answer; accept it and then others won't be distracted thinking you still need an answer.

    – Keith C
    May 22 at 13:48












  • 1





    What happened i.e. exactly how did it not work?

    – Keith C
    May 22 at 13:34











  • You have a local variable called map in your constructor that hides the map property. Change Map<String, Custom_Object__c> map = new Map... to map = new Map... so you are assigning to the property in the constructor. The pattern you are using does work.

    – Keith C
    May 22 at 13:35












  • Thanks Keith, thats exactly what it was.

    – Thaier Issa
    May 22 at 13:42











  • I've posted that as an answer; accept it and then others won't be distracted thinking you still need an answer.

    – Keith C
    May 22 at 13:48







1




1





What happened i.e. exactly how did it not work?

– Keith C
May 22 at 13:34





What happened i.e. exactly how did it not work?

– Keith C
May 22 at 13:34













You have a local variable called map in your constructor that hides the map property. Change Map<String, Custom_Object__c> map = new Map... to map = new Map... so you are assigning to the property in the constructor. The pattern you are using does work.

– Keith C
May 22 at 13:35






You have a local variable called map in your constructor that hides the map property. Change Map<String, Custom_Object__c> map = new Map... to map = new Map... so you are assigning to the property in the constructor. The pattern you are using does work.

– Keith C
May 22 at 13:35














Thanks Keith, thats exactly what it was.

– Thaier Issa
May 22 at 13:42





Thanks Keith, thats exactly what it was.

– Thaier Issa
May 22 at 13:42













I've posted that as an answer; accept it and then others won't be distracted thinking you still need an answer.

– Keith C
May 22 at 13:48





I've posted that as an answer; accept it and then others won't be distracted thinking you still need an answer.

– Keith C
May 22 at 13:48










1 Answer
1






active

oldest

votes


















7














You have a local variable called map in your constructor that hides the map property. (See e.g. Variable shadowing for more about that.)



Change:



Map<String, Custom_Object__c> map = new Map<String, Custom_Object__c>();


to:



map = new Map<String, Custom_Object__c>();


so you are assigning to the property in the constructor, not just the local variable.



The pattern you are using - a string keyed map - does work.






share|improve this answer























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    1 Answer
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    oldest

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    active

    oldest

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    7














    You have a local variable called map in your constructor that hides the map property. (See e.g. Variable shadowing for more about that.)



    Change:



    Map<String, Custom_Object__c> map = new Map<String, Custom_Object__c>();


    to:



    map = new Map<String, Custom_Object__c>();


    so you are assigning to the property in the constructor, not just the local variable.



    The pattern you are using - a string keyed map - does work.






    share|improve this answer



























      7














      You have a local variable called map in your constructor that hides the map property. (See e.g. Variable shadowing for more about that.)



      Change:



      Map<String, Custom_Object__c> map = new Map<String, Custom_Object__c>();


      to:



      map = new Map<String, Custom_Object__c>();


      so you are assigning to the property in the constructor, not just the local variable.



      The pattern you are using - a string keyed map - does work.






      share|improve this answer

























        7












        7








        7







        You have a local variable called map in your constructor that hides the map property. (See e.g. Variable shadowing for more about that.)



        Change:



        Map<String, Custom_Object__c> map = new Map<String, Custom_Object__c>();


        to:



        map = new Map<String, Custom_Object__c>();


        so you are assigning to the property in the constructor, not just the local variable.



        The pattern you are using - a string keyed map - does work.






        share|improve this answer













        You have a local variable called map in your constructor that hides the map property. (See e.g. Variable shadowing for more about that.)



        Change:



        Map<String, Custom_Object__c> map = new Map<String, Custom_Object__c>();


        to:



        map = new Map<String, Custom_Object__c>();


        so you are assigning to the property in the constructor, not just the local variable.



        The pattern you are using - a string keyed map - does work.







        share|improve this answer












        share|improve this answer



        share|improve this answer










        answered May 22 at 13:47









        Keith CKeith C

        98.2k11100232




        98.2k11100232



























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