Hi everyone,

i am writing the controller for save,cancel,save &New buttons ..when i entering the values after i click the save button it throws error.and after i click the save&new button i am not getting any error but the values are not saved..

can anyone help this scenario please??

This is my Controller..

public with sharing class newtest {
 public Organizers__c org { get; private set; }
 public Organizers__c org1;
private ApexPages.StandardController sController;  
    private String queryString;  
              public newtest (ApexPages.StandardController controller) {  
        sController = controller;  
        org = (Organizers__c)controller.getRecord();  
     List<string> pageUrl = ApexPages.currentPage().getUrl().split('\\?');  
        queryString = pageUrl[1];  
    }  
        public newtest(){
        Id id = ApexPages.currentPage().getParameters().get('id');
        org1 = (id == null) ? new Organizers__c() :
            [SELECT FirstName__c, LastName__c, Organizer_Email__c,ProductType__c,Status__c FROM Organizers__c WHERE Id = :id];
    }

    public PageReference save() {
                    
        //  After Save, navigate to the default view page:
    
        return (new ApexPages.StandardController(org)).view();
    }
    public PageReference cancel() {
        
            return null;
        }
 public PageReference saveAndNew() {  
          
                  try {  
            // Save the current sObject  
            sController.save();  
 
            // Get the Meta Data for Foo__c  
            Schema.DescribeSObjectResult describeResult = sController.getRecord().getSObjectType().getDescribe();  
            // Create PageReference for creating a new sObject and add any inbound query string parameters.  
            PageReference pr = new PageReference('/' + describeResult.getKeyPrefix() + '/e?' + queryString);  
            // Don't redirect with the viewstate of the current record.  
            pr.setRedirect(true);  
            return pr;  
        } catch(Exception e) {  
            // Don't redirect if something goes wrong. May be a validation or trigger issue on save.  
       ApexPages.addMessages(e);  
            return null;  
    }
          
}
}