Displaying records based on parents name

Visualforce Page

<apex:page sidebar="false" controller="AccWithAllContactsClass">

  <apex:form >

      <apex:inputtext value="{!accName}" />

      <apex:commandButton value="ShowContacts" action="{!showContacts}" rerender="out" status="mystatus"/><br/>

     

      <apex:actionstatus id="mystatus" starttext="please wait it is loading contacts.......">

      <apex:facet name="stop">

      <apex:outputpanel id="out">

      <apex:pageBlock >

          <apex:pageBlockSection >

              <apex:pageBlockTable value="{!conRecords}" var="c">

                  <apex:column headerValue="Contacts">

                        {!c.Name}

                  </apex:column>

              </apex:pageBlockTable>

          </apex:pageBlockSection>

      </apex:pageBlock>

      </apex:outputpanel>

       </apex:facet>

      </apex:actionstatus>

  </apex:form>

</apex:page>

Apex Class

public with sharing class AccWithAllContactsClass {

    List<Account> lstaccount = new List<Account>();

    List<contact> lstcontacts = new List<contact>();

    public List<contact> getConRecords() {

       lstcontacts.clear();

       accIds.clear();

       lstaccount.clear();

       system.debug('****AccNameTextValue is *****'+accName);

       lstaccount=[select id,name from Account where name=:accName];

       for(Integer i=0;i<lstaccount.size();i++)

       {

           accIds.add(lstaccount[i].Id);

       }

      

        lstcontacts =[select id,name,accountId from contact where accountid in : accIds];

        system.debug('**** List of Contacts for Test is ***'+lstcontacts);

        return lstcontacts;

    }   

    set<string> accIds = new set<string>();

    public pagereference showContacts() {

       return null;       

    }

    public String accName { get; set; }

}

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