retrieving charge names an entity ms crm 4.0

i am perplexing collect charge name form exist an entity, enterprising entity precise. i have following code.

dynamicentity contactentity = new dynamicentity();
contactentity.name = entityname.contact.tostring();

property t = null;
foreach (property prop_test contactentity.properties)
{
    response.write("<br/>name : " + prop_test.name.tostring());   
}

i am removing properties count 0.

is needed me pass an id hit entity. since i am perplexing map attributes entity attributes i an comparison file. finish user themselves doing mapping i need charge name form zero else. instance sql have query

select * table_name where 1 <> 1

this query fundamentally advantage an lifeless resultset wholly fieldnames. i am looking here. even illusory ?