I need to calculate days between two fields.

So I use daysBetween to complete when I try to do with two dates. When I try with single values.

But, when I try with list it throws an error like:

Method does not exist or incorrect signature: [Date].daysBetween(List)

For reference my code:

public date closedates;
Public Long details;
List<Case> c=new List<case>();
List<Integer> Values=new List<Integer>();
//Integer Value=0;
List<Date> Churndate=new List<Date>();
List<Date> closedatesd=new List<Date>();
c=[Select Id,Date_Order_Received__c,accountId from case where RecordTypeId =      
System.debug('Data in Case '+c);
List<Id> accountIds= new List<Id>();
List<Account> accounts=new List<Account>();
List<Id> opps=new List<Id>();
List<Date> Oppsdate= new List<Date>();
for(Case cl:c) 
System.debug('Date value in '+churndate);
for(Account ao:[Select Id,name,(select Id,name,CloseDate from opportunities)   
from account where Id in:accountIds]) {
for(Opportunity opp : ao.opportunities)
   //Other Operation you want to perform with every opportunity

Error line:

  • can you look on to this @crmprogdev – Pavan tej Jun 14 '16 at 20:13
  • can you look on to this @PepeFloyd – Pavan tej Jun 14 '16 at 20:19

Churndate is a List<Date>, the method expects a single Date.

From glancing at your code, it looks like you either want to create a Map<Id, Date> with the Accounts you're iterating over and use .get(AccountId) to fetch the relevant Date, or use an index to slice the right Date out of Churndate.

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  • can you share any code please @Brian Mansfield – Pavan tej Jun 14 '16 at 19:42
  • Sorry but no - if you are capable to author the above code, this is most definitely within your abilities. If you have a specific question or if you get stuck at any point, you can ask a new question. – Brian Mansfield Jun 14 '16 at 19:43
  • i tried it.It doesn't works for testing purpose i tried only take churndate in a single date variable. it throws me same error.I had already mentioned when i check with single variables it is working fine.@Brian Mansfield can you look on to this – Pavan tej Jun 14 '16 at 19:56

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