• azurerelish
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Hi Development Community, 

I am trying to build a test class for the controller I built, the controller is just pull some data from the system. However, I have tried numerous ways to build the test but got 0 coverage all the time. Any hint or help? 

Thanks for your help.

Below is my controller,
public with sharing class MDSExtension
    public string Object1id {get; set;}
    public string Object2id {get; set;}
    public string Object3id {get; set;}
    public Object1_c SelectedObject1{get;set;}
    public Object2_c SelectedObject2{get;set;}
    public Object3_c SelectedSD {get;set;}
    public List<Object1_c> Object1 { get;set; }
    public List<Object2_c> Object2 { get;set; }
    public List<Object3_c> Object3 { get;set; }
    public MDSExtension(ApexPages.StandardController controller)
        Object1= [
            SELECT Name, RecordType.DeveloperName FROM Object1_c
            WHERE Client__c = :controller.getId() AND RecordTypeID= '0127F000000gkUkQAI'
        Object2= [
            SELECT Name, RecordType.DeveloperName  FROM Object2_c
            WHERE Client__c = :controller.getId() AND RecordTypeID= '0127F000000gkUVQAY'
        Object3= [
            SELECT Name, Client__c FROM Object3_c
            WHERE Client__c = :controller.getId() 
public PageReference save(){    
return null;

Hi All, 

I am new to the visualforce development world and I am trying to show the campaign member page on the contact record page based on a pick list. The pick list contains all existing campaign names and users can pick the specific campaign from the list, so, the visualforce page can show the related campaign member page.

The code works fine except it cannot show the record details based on the picklist value. 

Below is my controller,
public with sharing class CampaignRelatedListExtension
    public string campid {get; set;}
    public CampaignMember SelectedCamp{get;set;}
    public list<selectoption> getcampnames(){
        list<selectoption> campoptions = new list<selectoption>();
        for (campaign camp : [select id, name from campaign WHERE RecordType.ID='xxxxxxxxxxxxxxxx']){
            campoptions.add(new selectoption(camp.id, camp.name));
        return campoptions;
    public List<CampaignMember> campaignMembers { get; private set; }
    public CampaignRelatedListExtension(ApexPages.StandardController controller)
        campaignMembers = [
            SELECT Campaign.Name, Country_of_Birth__c, CampaignId, Note__c FROM CampaignMember
            WHERE ContactId = :controller.getId()
public PageReference save(){ 
update campaignMembers; 
return null;
Below is the simple visualforce page, 
<apex:page standardController="Contact" extensions="CampaignRelatedListExtension">
    <apex:form >
    <apex:pageBlock title="TITLE">
            body .bPageBlock .pbBody .red .pbSubheader{
            body .bPageBlock .pbBody .grey .pbSubheader{
            body .bPageBlock .pbBody .grey .pbSubheader h3{
            <table width="100%">
                    <td align="left"><strong>DESCRIPTION</strong></td>
        <apex:selectlist value="{!campid}" size="1">
            <apex:selectOptions value="{!campnames}" />
        <apex:outputPanel styleClass="red" layout="block">
        <apex:pageBlockSection title="Essential Information">
         <apex:pageBlockTable value="{!campaignMembers}" var="member">
            <apex:column headerValue="Note" value="{!member.Note__c}"/> 
        <apex:pageBlockTable value="{!campaignMembers}" var="member">
            <apex:column headerValue="Country of Birth">
                <apex:inputField value="{!member.Country_of_Birth__c}"/>
        <apex:commandButton value="Save" onclick="alert('Record successfully Saved');" action="{!save}" id="savebutton"/>

Could you please have me to figure it out? Thanks for your help.