hello sir,

I am achive pagination using StandardSetController. By following way

my VF is ,,

<apex:page sidebar="false" Controller="practiceClaimcontinueApex" >
    <apex:form >
        <apex:pageblock id="pageBlock"  rendered="{!flag1==true}">
            <apex:pageBlockButtons location="both">
                <apex:commandButton value="Claim Properties" action="{!claimProperties}"/>
                <apex:commandButton value="Claim & Continue" action="{!Claim_continue}" />
                <apex:commandButton value="Cancel" action="{!Cancel}" />        
            </apex:pageBlockButtons>             
             <apex:pageBlock id="page">
              <apex:pageblockTable value="{!wraplist}" var="a" >
                <apex:column >
                    <apex:inputCheckbox value="{!a.selectedItem}" />
                </apex:column>
                <apex:column value="{!a.wrapPro.Property_Name__c}"/>
                <apex:column value="{!a.wrapPro.Property_City__c}"/>
                <apex:column value="{!a.wrapPro.Listing_Price__c}"/>
                <apex:column value="{!a.wrapPro.Status__c }"/>
            </apex:pageblockTable>
            </apex:pageBlock>             
            <apex:commandButton status="fetchStatus" reRender="pageBlock" value="First" action="{!first}" title="First Page" />
           <apex:commandButton status="fetchStatus" reRender="pageBlock" value="Previous" action="{!previous}" title="Previous Page" />
           <apex:commandButton status="fetchStatus" reRender="pageBlock" value="Next" action="{!next}" title="Next Page" />
           <apex:commandButton status="fetchStatus" reRender="pageBlock" value="Last" action="{!last}" title="Last Page" />
          <apex:outputText >{!(setController.pageNumber * size)+1-size}-{!IF((setController.pageNumber * size)>noOfRecords, noOfRecords,
                   (setController.pageNumber * size))} of {!noOfRecords}
              </apex:outputText>
              <apex:outputPanel >
              <apex:actionStatus id="fetchStatus" startText="Fetching....">
              </apex:actionStatus>
              </apex:outputPanel>                                     
        </apex:pageblock>         
        <apex:pageBlock title="Selected Property" rendered="{!flag2==true}">
            <apex:pageBlockTable value="{!selectedMenuItemList}" var="b">
                <apex:column value="{!b.wrapPro.Property_Name__c}"/>
                <apex:column value="{!b.wrapPro.Property_City__c}"/>
                <apex:column value="{!b.wrapPro.Listing_Price__c}"/>
                <apex:column value="{!b.wrapPro.Status__c }"/>      
            </apex:pageBlockTable>
        </apex:pageBlock>       
    </apex:form>
</apex:page>
 Apex Class is,
public class practiceClaimcontinueApex {

    public String first { get; set; }

    Public List<WrapperProperty> wraplist{set;get;}
    public List<WrapperProperty> selectedMenuItemList{set;get;}
    public boolean flag1{get;set;}
    public boolean flag2{get;set;}
    Public Integer size{get;set;}
    public Integer noOfRecords{get;set;}
    public ApexPages.StandardSetController setController{
    get{
    if(setController==null){
    setController = new ApexPages.StandardSetController(Database.getQueryLocator([SELECT ID,Property_Name__c  ,Property_City__c,Listing_Price__c,Status__c FROM  Property__c WHERE Status__c = 'open']));
    setController.setPageSize(size);
    noOfRecords = setController.getResultSize();
    }
    return setController;
    }
        set;}
   

    public practiceClaimcontinueApex(){
        size = 5;
        flag1=true;
        flag2=false;
        wraplist = new List<WrapperProperty>();
        List<Property__c> mainList = [SELECT ID,Property_Name__c  ,Property_City__c,Listing_Price__c,Status__c FROM  Property__c WHERE Status__c = 'open' LIMIT 5];
        for(Property__c forPor :mainList ){
            wraplist.add(new WrapperProperty(forPor));
        }
    }
    //Public List<WrapperProperty>
    public List<Property__c> getOpportunities(){
    return (List<Property__c>) setController.getRecords();
   }

   
    public PageReference claimProperties(){
        PageReference pageRef = new PageReference('https://ap15.salesforce.com/a01/o');
        pageRef.setRedirect(true);
        return pageRef;     
       
    }
   
    public void Claim_continue(){
        flag1=false;
        flag2=true; 
        selectedMenuItemList = new List<WrapperProperty>();
        for(WrapperProperty eachwrap : wraplist){
            if(eachwrap.selectedItem==true){
                selectedMenuItemList.add(eachwrap);
            }
        }
But my list is not changing when i click on button. What is wrong in that can you plz help me.

I atteched the screen short