Adding Rows Dynamically to Page block Table ?

Apex:

public class MemberPopup

{

    public List<Account> memberList {get;set;}

    public List<Account> memberAddList {get;set;}

    public String memberName {get;set;}      

    public MemberPopup()

    {

        String sql = 'SELECT Name,Company__c FROM Account';

        memberList = Database.Query(sql);

        memberAddList = new List<Account>();

        memberAddList.add(new Account());

    }  

    public void AddRow()

    {

        memberAddList.add(new Account());

    }

}

VF Page:

<apex:page controller="MemberPopup" >

<apex:form >

    <apex:pageBlock id="membAdd" >                

        <apex:pageblockSection >

            <apex:pageBlockTable value="{!memberAddList}" var="m" >

                <apex:column headerValue="Member Name">

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

                </apex:column>

                <apex:column headerValue="Mobile Number">

                    <apex:inputField value="{!m.Company__c}"/>

                </apex:column>

                <apex:column headerValue="eMail Id">

                    <apex:inputField value="{!m.Account_Status__c}"/>

                </apex:column>

            </apex:pageBlockTable>

            <br/><apex:commandLink value="Add Row" action="{!addRow}" reRender="membAdd"/>      

        </apex:pageblockSection>      

        <apex:pageblockSection columns="1" >

            <apex:pageblockSectionItem >

                <apex:commandButton value="Save" />

                <apex:commandButton value="Cancel" />

            </apex:pageblockSectionItem>       

        </apex:pageblockSection>

    </apex:pageBlock>

</apex:form>

</apex:page>