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my action support function is not getting called ?can somebody help with the code

vf page:

<apex:page standardController="order" extensions="OrderExtension">
<apex:form >
<apex:pageMessages />
<apex:pageBlock title="New Order">
<apex:pageBlockSection title="Order Details" collapsible="false">
<apex:inputField value="{!Order.AccountId}" html-placeholder="Customer Name"/>
<apex:inputField value="{!Order.Email__c}" html-placeholder="Enter Text"/>
<apex:inputField value="{!Order.Phone__c}" html-placeholder="Enter Text"/>
<apex:inputField value="{!Order.EffectiveDate}" html-placeholder="Enter Text"/>
<apex:inputField value="{!Order.Status}"/>
<apex:inputField value="{!Order.ContractId}" html-placeholder="Contract Id"/>
<apex:inputField value="{!Order.AEG__Rep_Code__c}"/>


<apex:inputField value="{!Order.Pricebook2Id}" html-placeholder="PriceBook Type"/>
</apex:pageBlockSection>
<apex:pageBlockSection title="Address">
<apex:inputField value="{!Order.ShippingAddress__c}" style="width:800px;height:20px" html-placeholder="Enter Text"/><br/>
<apex:inputField value="{!Order.BillingAddress__c}" style="width:800px;height:20px" html-placeholder="Enter Text"/>
</apex:pageBlockSection>
<apex:pageBlockSection >
<div align="right">
<apex:commandButton value="Add New Order Item" action="{!add}"/>
</div>
</apex:pageBlockSection>

<apex:pageBlockSection title="Order Details" id="pb">
<apex:pageBlockTable value="{!orderList}" var="o">
<apex:column headerValue="Product Name" width="50%">
<apex:outputField value="{!o.Product2Id}"/>
</apex:column>
<apex:column headerValue="Product Family" width="50%">
<apex:outputField value="{!o.product2.Family}"/>
</apex:column>
<apex:column headerValue="Ordered Quantity" width="50%" >
<apex:inputField value="{!o.Quantity}"/>
</apex:column>

<apex:column headerValue="List Price" width="50%">
<apex:outputField value="{!o.ListPrice}"/>
</apex:column>
<apex:column headerValue="Unit Price" width="50%">
<apex:outputField value="{!o.UnitPrice}"/>
</apex:column>
<apex:column >
<apex:facet name="header">Action</apex:facet>
<apex:commandLink action="{!deleteRecord}" value="Delete" onclick="if(!confirm('Are you sure?')) return false;">
<apex:param name="rowId" assignTo="{!bkId}" value="{!o.Id}"/>
</apex:commandLink>
</apex:column>
</apex:pageBlockTable>
</apex:pageBlockSection>


<apex:pageBlock id="orderAdd" >
<apex:pageblockSection>

<apex:pageBlockTable value="{!OrderLi}" var="orders">



<apex:column headerValue="Product Name">

<apex:inputField value="{!orders.Product2Id}" >
<apex:actionSupport event="onchange" action="{!autopop}" reRender="orderAdd">
<apex:param name="selectedR" value="{!orders.Product2Id}" assignTo="{!ordId}"/>
</apex:actionSupport>
</apex:inputField>
</apex:column>

<apex:column headerValue="Product Family" id="p1">
<apex:inputField value="{!orders.product2.Family}">

</apex:inputField>
</apex:column>

<apex:column headerValue="order Quantity" id="p2">
<apex:inputField value="{!orders.Quantity}">

</apex:inputField>
</apex:column>


<apex:column headerValue="order ListPrice">
<apex:inputField value="{!orders.ListPrice}">

</apex:inputField>
</apex:column>
<apex:column headerValue="orders UnitPrice">
<apex:inputField value="{!orders.UnitPrice}"/>
</apex:column>



</apex:pageBlockTable>


</apex:pageblockSection>

</apex:pageBlock>

<apex:pageBlockSection >
<apex:panelGrid columns="4">
<apex:commandButton action="{!First}" value="First"/>
<apex:commandButton action="{!Previous}" value="Previous"/>
<apex:commandButton action="{!Next}" value="Next"/>
<apex:commandButton action="{!Last}" value="Last"/>
</apex:panelGrid>
</apex:pageBlockSection>
<apex:pageBlockSection >
<div align="centre">
<apex:panelGrid columns="2" >
<apex:commandButton action="{!save}" value="Save"/>
<apex:commandButton action="{!cancel}" value="Cancel"/>
</apex:panelGrid>
</div>
</apex:pageBlockSection>
</apex:pageBlock>
</apex:form>

</apex:page>

extension:

public with Sharing class OrderExtension {

private order orders { get; set;}
public String bkId {get; set;}
public String ordId {get; set;}
//private orderItem addNew {get;set;}
public integer startingFrom{get;set;}
public List<OrderItem> orderList;
public List<OrderItem> orderLi{get;set;}
public List<PriceBookEntry> orderL;
//public List<OrderItem> orderL{get;set;}
private final integer MAX_RECORDS=5;
private integer orderRecordCount;
private integer lastRecords;
private ID recordId;
public OrderItem op{get;set;}
List<Order> li=new List<Order>();
//public List<orderItem> l{get;set;}
private ApexPages.StandardController sc;
public OrderExtension(ApexPages.StandardController sc){
//this.op = (OrderItem)sc.getRecord();
this.sc=sc;
recordId=ApexPages.currentPage().getParameters().get('id');
if(startingFrom==null)
{
startingFrom=0;
}

if(recordId==null)
{
orders=new order();
}
else{

orders=[select AccountId,status from order where id= : recordId];
}

orderRecordCount=[select count() from orderItem where orderid= :recordId];
lastRecords=math.mod(orderRecordCount, 5);
//system.debug(orderRecordCount);
orderLi=new List<orderItem>();
//orderL.add(o);
//op=new OrderItem();
}

public PageReference autopop(){

system.debug('rohit');

// order cont=(order) sc.getRecord();
//system.debug(cont);
//cont.order=[select product2.family from orderitem where id=:cont.Product2Id];
//ordId = apexpages.currentPage().getParameters().get('selectedR');
system.debug(ordId);
system.debug(ApexPages.currentPage().getParameters().get('selectedR'));
system.debug(ApexPages.currentPage().getParameters());
//OrderItem ord = [select product2.family from orderItem where id =: ordId limit 1];
//system.debug(ordId);

return null;
}

public PageReference deleteRecord(){
OrderItem remBank = [select id from orderItem where id =: bkId limit 1];
if(remBank != null)
{
try{
delete remBank;
}
catch(DmlException ex){
ApexPages.addMessages(ex);
}
}
return null;
}


public List<orderItem> getorderList(){
orderList=[select Product2Id,Quantity,product2.name,Product2.family,ListPrice,UnitPrice from orderItem where orderid= :recordId
limit: MAX_RECORDS
offset: startingFrom];
return orderList;
}

/*public List<priceBookEntry> getPriceBookList(){
orderList=[select id from priceBookEntry];
return orderList;
}*/

public PageReference save() {
try {
Order o=(order)sc.getRecord();
upsert o;
//Id Id1=orderLi.get(0);
//Id Id2= orderLi.get(Pricebook2Id);
system.debug(ordId);
system.debug('rishi');
List<OrderItem> orderLis=new List<OrderItem>();
for(OrderItem p:orderLi)
{
Id Id1=(Id)p.get('Product2id');
Id Id2=o.pricebook2id;
Pricebookentry b=[select Product2id from pricebookentry where Product2id=:Id1 and pricebook2id= :ID2];
p.PricebookEntryId=b.id;
p.OrderId=o.Id;
orderLis.add(p);
}
upsert orderLis;

System.debug('Statement after insert.');
} catch(DmlException e) {
apexpages.addmessages(e);
}
//PageReference pg=new
return ApexPages.currentPage();
}

public void add(){

OrderItem m=new OrderItem();
//Id i=m.Product2Id;
//system.debug(i);
//PriceBookEntry c=[SELECT Name, Product2.Family, Product2.Name, Product2Id,UnitPrice FROM PricebookEntry WHERE Product2Id= :i];
//m.PricebookEntryId=c.Id;
orderLi.add(m);
orderList.add(m);
}

public pageReference first(){
startingFrom=0;
return ApexPages.currentPage();
}

public pageReference previous(){

if(startingFrom<=0)
{
startingFrom=0;
}

else if(startingFrom >= orderRecordCount)
{
startingFrom=startingFrom- MAX_RECORDS;
}

else if(startingFrom < orderRecordCount)
{
startingFrom=startingFrom-MAX_RECORDS;
}
return ApexPages.currentPage();
}

public pageReference next(){
if((orderRecordCount-startingFrom)>MAX_RECORDS)
{
startingFrom=startingFrom+MAX_RECORDS;
}
return ApexPages.currentPage();
}

public pageReference last(){
startingFrom=orderRecordCount-lastRecords;
return ApexPages.currentPage();
}



}

Ian Lin 439
February 05, 2021
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