sakthivelsfdc

<template>
    <lightning-card title = "Search Accounts" icon-name = "custom:custom10">  

        <div class = "slds-m-around_medium">
            <lightning-input type="search" onchange={findAccountResult} class = "slds-m-bottom_small" label = "Search"> </lightning-input>
            
            <lightning-datatable key-field="Id" data={accountList} columns={columnList} hide-checkbox-column="true" show-row-number-column="true">
            </lightning-datatable>

            <template if:true= {noRecordsFound}>

sakthivelsfdc

import { LightningElement, track } from 'lwc';
import searchAccounts from '@salesforce/apex/AccountController.searchAccount';

const columnList = [
    {label: 'Id', fieldName: 'Id'},
    {label: 'Name', fieldName: 'Name'},
    {label: 'Website', fieldName: 'Website'},
    {label: 'Industry', fieldName: 'Industry'}
];

sakthivelsfdc

<?xml version="1.0" encoding="UTF-8"?>
<LightningComponentBundle xmlns="http://soap.sforce.com/2006/04/metadata" fqn="lightningDataTable">
    <apiVersion>46.0</apiVersion>
    <isExposed>true</isExposed>
    <targets>
        <target>lightning__AppPage</target>
        <target>lightning__RecordPage</target>
        <target>lightning__HomePage</target>
    </targets>
</LightningComponentBundle>

sakthivelsfdc

public with sharing class AccountController {

    /*
    Method: searchAccount
    Para: Account Name
    here passing the Account Name to Fetching all the releated Accounts
    */
    @AuraEnabled (cacheable = true)
    public static List<Account> searchAccount(String accName) {
        string strAccName = '%'+ accName + '%';

sakthivelsfdc

<template>
    <lightning-card title="HelloWorld" icon-name="custom:custom14">
        <div class="slds-m-around_medium">
            <p>Hello, {greeting}!</p>
            <lightning-input label="Name" value={greeting} onchange={changeHandler}></lightning-input>
        </div>
    </lightning-card>
</template>

sakthivelsfdc

import { LightningElement, track } from 'lwc';
export default class HelloWorld extends LightningElement {
    @track greeting = 'World';
    changeHandler(event) {
        this.greeting = event.target.value;
    }
}

sakthivelsfdc

<?xml version="1.0" encoding="UTF-8"?>
<LightningComponentBundle xmlns="http://soap.sforce.com/2006/04/metadata" fqn="helloWorld">
    <apiVersion>45.0</apiVersion>
    <isExposed>false</isExposed>
    <targets>
        <target>lightning__AppPage</target>
        <target>lightning__RecordPage</target>
        <target>lightning__HomePage</target>
    </targets>
</LightningComponentBundle>

sakthivelsfdc

String yourFilesContent = 'TheBlogReaders.com File upload content';
 
ContentVersion conVer = new ContentVersion();
conVer.ContentLocation = 'S'; // to use S specify this document is in Salesforce, to use E for external files
conVer.PathOnClient = 'testing.txt'; // The files name, extension is very important here which will help the file in preview.
conVer.Title = 'Testing Files'; // Display name of the files
conVer.VersionData = EncodingUtil.base64Decode(yourFilesContent); // converting your binary string to Blog
insert conVer;    //Insert ContentVersion

sakthivelsfdc

/**
 *
 * This Apex Test Class Created to cover the Opportunity Trigger
 *  - Created Test User with non system admin profile
 *  - Used Syste.runAs to execute the test user
 *  - Created Opportunity Record
 *  - Deleted Opporutnity
 *  - Check AddError validation as per the Trigger
 *

sakthivelsfdc

trigger OpportunityDeleteTrigger on Opportunity ( before delete ) {
    String name = [SELECT Name FROM Profile WHERE Id =:UserInfo.getProfileId()].Name;
    
    if( name != 'System Administrator' ) {
        if( Trigger.isBefore ) {
            if( Trigger.isDelete ) {
                for( Opportunity objOpportunity : Trigger.old ) {
                    if( objOpportunity.IsClosed == true ) {
                        objOpportunity.addError( 'This opportunity cannot be deleted becase it has been closed.  Please contact Sales Operations.' );
                    }