Hi RadaKrishna

How it is Work now,can you explain please

Actually now It is also navigate to the other page on delete of a selected account in case of 'before delete' trigger is active

Hello Uday

****In Controller****

This is our getter and setter method(getImage and setImage) ,Here we First get value of our Image. Then in setter method we set this value to our declared variable(String selectedImage).

****InVF Page****

There is an attribute disabled in "button" through this we enable or disable our button according o… Read more

Hello Uday

****Controller****

public class sampleCon {
public String selectedImage{get;set;}

public sampleCon(){
selectedImage = '';
}
public PageReference test() {
return null;
}

public List<SelectOption> getItems() {
List<SelectOption> Images = new List<SelectOption>();
Images.add(new… Read more

Please Go to the setup You find  Object Manager (with low arrow Option) Click that arrow.Then you find New (+ New Object)  through this you create your Object.Here Expense and Camping Item are Custom Object.

After creating any Object you find Field and Relationship options on left side.Click it then create field whatever you want.

Hello Anish

Please Follow the below link

Follow Me

This is the trailhead module for your questions. As you start the Lightning Concepts So firstly you must set up your org setting.In given module it is step by step process to solve your problem.

Hello Uday

If a class is call by(or call) another class which enforce sharing rule(with sharing) then its automatically enforced sharing rule.In this situation if we want that our class don't acquire sharing then we use 'without sharing'  Keyword.

E.g.

****Sharing Class****

public with sharing class sharing{

}

****Class Call(or Call… Read more

hello Uday

****Static Method****

Static methods can be used without instantiating a new instance of the class.

public class Utils {
public static String getHelloWorld() {
return 'Hello World';
}
}

These methods can be called directly

String salutation = Utils.getHelloWorld();

****Non-Static Method****
Non-static method  must have a… Read more

hello Shaharyar

Please Try below Code,Its for Contact you may use for other Object

*****Controller****

public class deleteContactController
{
public List<wrapContact> listWrapContact {get; set;}
public class wrapContact
{
public Contact con {get; set;}
public Boolean selected {get; set;}
public wrapContact(Contact c)
{
con = c;
selected… Read more