PropertyToHoldParentViewURL

//property to hold parent view url to solve cross domain issue
        redirectUrl = controller.view().getUrl();
        acct = (Account)controller.getRecord();
        if(acct != null && !String.isBlank(acct.Id)) {
            allLeadQualList = new List<Lead_Qualification__c>();
            leadQualificationObj = new Lead_Qualification__c();
            allLeadQualList = [select Id, Discovery_Notes__c from Lead_Qualification__c where Opportunity__c = : acct.ID
                                ORDER BY LastModifiedDate DESC LIMIT 1];
            if(allLeadQualList.size() >0){
                  leadQualificationObj = allLeadQualList.get(0);
                  viewMode = 'read';
            }else{
                viewMode = 'edit';
            }
        }
        else{
            viewMode = 'edit';
        }
    }

//property to hold parent view url to solve cross domain issue
        redirectUrl = controller.view().getUrl();
        networkInformationObj = (Network_Information__c)controller.getRecord();
        if(Network_Information__c != null && !String.isBlank(networkInformationObj.Id)) {
            allnetworkInformationList = new List<Network_Information__c>();
            networkInformationObj = new Network_Information__c();
            allnetworkInformationList = [select Id, Network_Information__c from Network_Information__c where Network_Information__c = : networkInformationObj.ID
                                ORDER BY LastModifiedDate DESC LIMIT 1];
            if(allnetworkInformationList.size() >0){
                  networkInformationObj = allnetworkInformationList.get(0);
                  viewMode = 'read';
            }else{
                viewMode = 'edit';
            }
        }
        else{
            viewMode = 'edit';
        }
    }