VisualForce Page to Dynamically Add and Delete Records as a Rows in the Page.

Page:

<apex:page controller="Addrowscontroller">

<apex:form >

    <apex:pageBlock id="pb">

    <apex:variable var="rowNumber" value="{!0}"/> 

        <apex:pageBlockTable value="{!listaccount}" var="acc">

            <apex:column headerValue="Account Name">

            <apex:inputField value="{!acc.Name}"/>

            </apex:column>

            <apex:column headerValue="Account Number">

            <apex:inputField value="{!acc.AccountNumber}"/>

            </apex:column>

            <apex:column headerValue="Account Type">

            <apex:inputField value="{!acc.Type}"/>

            </apex:column>

            <apex:column headerValue="Industry">

            <apex:inputField value="{!acc.Industry}"/>

            </apex:column>

            <apex:column headerValue="Action" >

            <apex:commandButton value="Delete" action="{!deleteRow}" reRender="pb">

            <apex:param name="rowIndex" value="{!rowNumber}"/>

            </apex:commandButton>

            <apex:variable var="rowNumber" value="{!rowNumber}"/>

            </apex:column>

        </apex:pageBlockTable>

        <apex:pageBlockButtons >

            <apex:commandButton value="Add Account Row" action="{!addAccount}"/>

            <apex:commandButton value="Save Accounts" action="{!saveAccount}"/>

        </apex:pageBlockButtons>

    </apex:pageBlock>

</apex:form>

</apex:page>

Controller:

public class Addrowscontroller{

  Account account =new Account();

  Public list<account> listAccount {get;set;}

  public Integer rowIndex {get;set;}

  public List<account> delattendeeList =new List<account>();

  public account del;

  

  public Addrowscontroller(){

      listAccount = new list<Account>();

      listAccount.add(Account);

  }

  public void addAccount(){

      Account acc = new Account();

      listAccount.add(acc);

  }

  public pagereference saveAccount(){

      Insert listAccount;

      return null;

  }

  public PageReference deleteRow(){

    rowIndex = Integer.valueOf(ApexPages.currentPage().getParameters().get('rowIndex'));

    del = listAccount.remove(rowIndex);

    delattendeeList.add(del);

    return null;

  }

}