ConvertExt

public class ConvertExt {
    
    public Lead lead = new Lead();
    public Id Lid, accId, conId, oppId;
    public Boolean isConverted = false;
    
    
    public ConvertExt(ApexPages.StandardController stdController){
        Lid = (Id)stdController.getRecord().id;
        lead = (Lead)stdController.getRecord();
        System.debug(Lid);            
    }
    
    public Lead getLead(){
        
        return lead;
    }
    
    public PageReference convertLead(){	
        
        lead = [SELECT Id ,LastName,Company,Status, OwnerId FROM Lead WHERE Id =:Lid LIMIT 1];
        Database.LeadConvert ldconvert = new Database.LeadConvert(); 
        ldconvert.setLeadId(lead.id);
        ldconvert.setOwnerId(lead.OwnerId);
        ldconvert.ConvertedStatus = 'Closed - Converted';
        ldconvert.setSendNotificationEmail(true);
        
        try{
            
            Database.LeadConvertResult result = Database.convertLead(ldconvert); 
            System.Debug('Conversion Result: ' + result.isSuccess());
            if(result.isSuccess()){
                isConverted = true;
            }
            
        }
       
        catch(DmlException e){
            
            System.debug(e.getCause()); 
        }
        
        PageReference returnPage = new PageReference('/apex/afterConvert?id='+ Lid);
        returnPage.setRedirect(true);
        return returnPage;
        
    }
    
    public boolean getIsConverted() {
        if(isConverted || lead.Status == 'Closed - Converted') 
        {
            isConverted = true;
        }
        return isConverted;
    }
    
    
    
    
    
}