Dynamic component in Salesforce

 how we can create the  data table dynamically in Apex Salesforce ?


Visual Force

 <apex:dynamicComponent componentValue="{!pageBlock}" />


Controller Apex Class

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

    
   
    Public List<Account> getAccounts(){
            lstaccount=[select id,name,type,industry from account Limit 5];
            return lstaccount;
    }  


 public Component.Apex.PageBlock getpageBlock()
{
        Component.Apex.PageBlock pb=new Component.Apex.PageBlock();
        Component.Apex.PageBlockTable  ptable=new Component.Apex.PageBlockTable();
       
        ptable.expressions.value='{!accounts}';
        ptable.var='a';
      
         ptable.rendered=true;
       
        Component.Apex.Column namecolumn=new Component.Apex.Column();
        namecolumn.expressions.value='{!a.name}'; 
        Component.Apex.Column industrycolumn=new Component.Apex.Column();
        industrycolumn.expressions.value='{!a.Industry}';
        Component.Apex.Column typecolumn=new Component.Apex.Column();
        typecolumn.expressions.value='{!a.type}';
      
        pb.childcomponents.add(ptable);
        ptable.childcomponents.add(namecolumn);
        ptable.childcomponents.add(typecolumn);
        ptable.childcomponents.add(industrycolumn);
        return pb;
    }