<apex:page controller="AddRows" tabstyle="Account">  
<script type="text/javascript">
function test()
{
var message=document.getElementById("{!$Component.f.pb1.wtable.i1}").value;
alert(message);
var message1=document.getElementById("{!$Component.f.pb1.wtable.i}").value;
alert(message1);

}

</script>
<apex:form id="f">    
<apex:pageBlock title="Bulk Account Create" id="pb1">
<apex:pageMessages id="msg"/>
<apex:pageBlockTable value="{!wrappers}" var="wrapper" id="wtable">          
<apex:column headerValue="Ident" id="i">             
<apex:outputText value="{!wrapper.ident}" id="i1"/>          
</apex:column>          
<apex:column headerValue="Name">             
<apex:inputField value="{!wrapper.acc.Name}"/>          
</apex:column>          
<apex:column headerValue="Parent">             
<apex:inputField value="{!wrapper.acc.ParentId}"/>          
</apex:column>          
<apex:column headerValue="Industry">             
<apex:inputField value="{!wrapper.acc.Industry}"/>         
</apex:column>         
<apex:column headerValue="Type">             
<apex:inputField value="{!wrapper.acc.Type}"/>          
</apex:column>          
<apex:column headerValue="Action">             
<apex:commandButton value="Delete" action="{!delWrapper}" rerender="wtable">             
<apex:param name="toDelIdent" value="{!wrapper.ident}" assignTo="{!toDelIdent}"/>              
</apex:commandButton>          
</apex:column>       
</apex:pageBlockTable>       
<apex:commandButton value="Add Row" action="{!addRows}" rerender="wtable">         
<apex:param name="addCount" value="1" assignTo="{!addCount}"/>        
</apex:commandButton>       
<apex:commandButton value="Add 5 Rows" action="{!addRows}" rerender="wtable">          
<apex:param name="addCount" value="5" assignTo="{!addCount}"/>        
</apex:commandButton>       
<apex:commandButton value="Save" action="{!save}"/>  
<apex:commandButton value="Test" onclick="test();"/>
</apex:pageBlock> 
</apex:form> 
</apex:page>

 Apex Class:-

public class AddRows  
{  
    public List<AccountWrapper> wrappers {get; set;}  
    public static Integer toDelIdent {get; set;}  
    public static Integer addCount {get; set;}  
    private Integer nextIdent=0;     
    public Addrows() 
     {   wrappers=new List<AccountWrapper>();   
         for (Integer idx=0; idx<5; idx++)   
         {    
            wrappers.add(new AccountWrapper(nextIdent++));   
         }  
      }     
      public void delWrapper()  
      {   
           Integer toDelPos=-1;   
           for (Integer idx=0; idx<wrappers.size(); idx++)   
           {    
                if (wrappers[idx].ident==toDelIdent)    
                {    
                     toDelPos=idx;    
                }   
           }       
            if (-1!=toDelPos)   
            {    
              wrappers.remove(toDelPos);   
            }  
       }     
       public void addRows() 
        {   
          for (Integer idx=0; idx<addCount; idx++)   
          {    
               wrappers.add(new AccountWrapper(nextIdent++));   
           }  
        }     
        public PageReference save()  
        {   
               List<Account> accs=new List<Account>();   
               for (AccountWrapper wrap : wrappers)   
               {    
                     accs.add(wrap.acc);   
               }       
               insert accs;       
               return new PageReference('/' + Schema.getGlobalDescribe().get('Account').getDescribe().getKeyPrefix() + '/o');  
         }    
         public class AccountWrapper 
         {   
          public Account acc {get; private set;}   
          public Integer ident {get; private set;}       
          public AccountWrapper(Integer inIdent)   
               {    
             ident=inIdent;    
             acc=new Account(Name='abc');   
               } 
           } 
}

 Refer this code:

 I want to display the column value...the focus should be on the row selected