<apex:page controller="createDynamicTableProcess" >
<apex:form >
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.3/jquery.min.js"></script>
<script>

function calldata()
{
//alert("this is 2nd alert");
//callmymethod();
//alert("this is 3rd alert");

}
    window.setTimeout(callmymethod,2000);

</script>


<apex:actionfunction name="callmymethod" action="{!insertSubContactRecords}" id="idd1"/>
<apex:pageblock title="All contacts" >
<apex:repeat value="{!cons}" var="a" >
<table border="1" width="300px;" > <tr> 
<td><apex:outputtext value="{!a.name}" /> <br/></td>
<td><apex:outputtext value="{!a.phone}" /><br/></td>
<td><apex:outputtext value="{!a.account.industry}" /><br/></td>
<td><apex:commandbutton value="Add Row"  id="one"  onclick="calldata();">
<!-- <apex:param name="sending contact id" value="{!a.id}" assignto="{!contactid}" /> -->
</apex:commandbutton>
<br/><br/></td>

</tr> </table> 
  <apex:pageblocktable value="{!scw}" var="a" id="pbt1">
            <apex:column ><apex:inputcheckbox value="{!a.flag}" /> </apex:column>
            <apex:column ><apex:inputtext value="{!a.name}" onchange="getrec(this.id)" id="v1"/> </apex:column>
            <apex:column ><apex:inputtext value="{!a.country}" id="v2"/> </apex:column>
   </apex:pageblocktable>
<center><apex:commandbutton value="Save Checked Records"  ><apex:param value="{!a.id}" assignto="{!SpecificContactRecordId}" />  </apex:commandbutton></center>
</apex:repeat>
</apex:pageblock>
</apex:form>


</apex:page>

public class createDynamicTableProcess {

public list<contact> cons{set;get;}
public string contactid {set;get;}
public list<subcontactwrapper> scw{set;get;}
public list<subcontactwrapper> scw2{set;get;}
public string SpecificContactRecordId{set;get;}
public createDynamicTableProcess ()
{
scw=new list<subcontactwrapper>();
scw2=new list<subcontactwrapper>();

    cons=new list<contact>();

    list<string> accids=new list<string>();
        for(account a1:[select id from account])
            {
            accids.add(a1.id);
            }

       cons=[select id,name,phone,account.industry from contact where accountid in:accids limit 1];
} //constructor closed

//method for button click for every contact.
public void createRecordForSubContact()
{
subcontactwrapper s1=new subcontactwrapper();
scw.add(s1);

}

public void insertSubContactRecords()
{
list<subcontact__c> subc=new list<subcontact__c>();
    for(subcontactwrapper s1: scw)
    { 
    
        subcontact__c su=new subcontact__c();
        su.name__c=s1.name;
        su.Country__c= s1.country;
        su.Contact__c=SpecificContactRecordId;
        subc.add(su);
        }
        insert subc;
        
}      
public class subcontactwrapper
{
public boolean flag {set;get;}
public string name{set;get;}
public string country{Set;get;}
}
}