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Want to develop pagination with help of standard set controller and wrapper class in salesforce. here is code:-
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| Pagination in Visualforce page with wrapper class |
Step 1:- Create a class with help of below code.
public class ClassWithStandardSetController {
Public Integer noOfRecords{get; set;}
Public Integer size{get;set;}
List<SelectedWrapper> categories {get;set;}
public ApexPages.StandardSetController setCon {
get{
if(setCon == null){
size = 5;
setCon = new ApexPages.StandardSetController(Database.getQueryLocator([SELECT id,LineNumber,PriceBookEntry.Product2Id, PriceBookEntry.Product2.Name,Product2Id,Quantity,unitprice,QuoteId FROM quoteLineItem]));
setCon.setPageSize(size);
noOfRecords = setCon.getResultSize();
}
return setCon;
}set;
}
Public List<SelectedWrapper> getLineitems(){
categories = new List<SelectedWrapper>();
for (quoteLineItem category : (List<quoteLineItem>)setCon.getRecords())
categories.add(new SelectedWrapper(category));
return categories;
}
public PageReference Yourmethod() {
System.debug('Hi! Welcome');
refresh();
return null;
}
public pageReference refresh() {
setCon = null;
getLineitems();
setCon.setPageNumber(1);
return null;
}
public Boolean hasNext {
get {
return setCon.getHasNext();
}
set;
}
public Boolean hasPrevious {
get {
return setCon.getHasPrevious();
}
set;
}
public Integer pageNumber {
get {
return setCon.getPageNumber();
}
set;
}
public void first() {
setCon.first();
}
public void last() {
setCon.last();
}
public void previous() {
setCon.previous();
}
public void next() {
setCon.next();
}
public class SelectedWrapper{
public Boolean checked{ get; set; }
public quoteLineItem quotelineiteobj { get; set;}
public SelectedWrapper(quoteLineItem olineitem){
quotelineiteobj = olineitem;
checked = false;
}
}
}
Step 2:- Create a Visualforce page with help of below code.
<apex:page controller="ClassWithStandardSetController" sidebar="false">
<apex:form >
<style>
.Processing
{
position: fixed;
background: url('/img/loading32.gif');
background-repeat: no-repeat;
background-position: center;
width: 100%;
height: 100%;
z-index: 1004;
left: 0%;
top: 0%;
}
</style>
<apex:actionStatus id="statusProcessing" startStyleClass="Processing"/>
<apex:outputPanel id="Msg">
<apex:pagemessages ></apex:pagemessages>
</apex:outputPanel>
<apex:pageBlock title="{!$ObjectType.quoteLineItem.LabelPlural} Page #{!pageNumber}">
<apex:pageBlockButtons rendered="{!if(Lineitems.size>0, true, false)}" >
<apex:commandButton value="Your method" action="{!Yourmethod}" rerender="table,Msg" status="statusProcessing" />
</apex:pageBlockButtons>
<apex:pageMessage severity="error" summary="There is no Quote Line Items." rendered="{!if(Lineitems.size==0, true, false)}"></apex:pageMessage>
<apex:pageBlockTable value="{!Lineitems}" var="c" title="{!$ObjectType.quoteLineItem.LabelPlural}" id="table" rendered="{!if(Lineitems.size>0, true, false)}">
<apex:column width="25px">
<apex:inputCheckbox value="{!c.checked}"/>
</apex:column>
<apex:column value="{!c.quotelineiteobj.PriceBookEntry.Product2.Name}" headerValue="Name"/>
<apex:column headerValue="{!$ObjectType.Product2.LabelPlural}" value="{!c.quotelineiteobj.PriceBookEntry.Product2.Name}"/>
<apex:column value="{!c.quotelineiteobj.QuoteId }" />
<apex:column value="{!c.quotelineiteobj.Quantity}" />
<apex:column value="{!c.quotelineiteobj.unitprice}" />
</apex:pageBlockTable>
</apex:pageBlock>
<apex:panelGrid columns="4" >
<apex:commandLink action="{!first}">First</apex:commandlink>
<apex:commandLink action="{!previous}" rendered="{!hasPrevious}">Previous</apex:commandlink>
<apex:commandLink action="{!next}" rendered="{!hasNext}">Next</apex:commandlink>
<apex:commandLink action="{!last}">Last</apex:commandlink>
</apex:panelGrid>
</apex:form>
</apex:page>