What is the use of ColumnMappings if I'm obliged to use the same name as the physical column?
<p>In my last question, 
<a href="http://stackoverflow.com/questions/1620958/is-there-a-bug-in-net-columnmappings-class">http://stackoverflow.com/questions/1620958/is-there-a-bug-in-net-columnmappings-class</a></p>

<p>it seems that I cannot use a colummapping with a different name than the physical name, then what is the use of columnmappings ?</p>
