hi ,
i made a webservice callout using batch apex and after getting response  i am doing update operation .this is working fine for when i given scope parameter as 1 in the database.executebatch. however when i pass scope parameter  as10 it only updating 1 value and getting exception like "You have uncommitted work pending. Please commit or rollback before calling out..."   . and am doing dml operation after the callout  & based on callout response result only .
I dint get solution on developer community..
please help me in this scenario.
thanks

hi ,
i made a webservice callout using batch apex and after getting response  i am doing update operation .this is working fine for when i given scope parameter as 1 in the database.executebatch. however when i pass scope parameter  as10 it only updating 1 value and getting exception like "You have uncommitted work pending. Please commit or rollback before calling out..."   . and am doing dml operation after the callout  & based on callout response result only .
I dint get solution on developer community..
please help me in this scenario.
thanks

public PageReference saveUsers() {
        String[] listOfSelectedUsers = getUsers();
 String domainId = System.currentPageReference().getParameters().get('ex');
        for(String presentVar: listOfSelectedUsers)
        {
  
  Http h = new Http();
         HttpRequest req = new HttpRequest();
         req.setEndpoint('http://84.40.30.147/cm/spws');
         req.setMethod('POST');

  TestExtranet__c extranet = [select Extranet_Name__c from TestExtranet__c where id = :domainId];
  Lead lead = [select id,firstname,lastname,email from Lead where id = :presentVar];
  String requestXML = buildXMLRequest('createUser',extranet.Extranet_Name__c,lead.id,lead.firstname,lead.lastname,lead.email);

                req.setBody(requestXML);
                HttpResponse res = h.send(req);
                XmlStreamReader reader = res.getXmlStreamReader();
                boolean errorExists = parseResponseForError(reader);
  if(!errorExists)
                {
   Extranet_User_Mapping__c mapping = new Extranet_User_Mapping__c();
          mapping.Extranet_Id__c = domainId;
          mapping.Leads__c = presentVar;
          insert mapping;
  }else
  {
   
  }

        
        }  
 PageReference userConfPage = new PageReference('/apex/userConfirmation?ex='+ System.currentPageReference().getParameters().get('ex'));
        return Page.userConfirmation;
        }