how i hoop unfamiliar keys wpf databinding?

i have listview wpf databound simple list i lift database. formula listview follows:

<listview canvas.left="402" canvas.top="480" height="78" itemssource="{binding}" name="lsvvieweditcardprint" width="419">
   <listview.view>
      <gridview>
         <gridviewcolumn displaymemberbinding="{binding path=idcst}">set</gridviewcolumn>
         <gridviewcolumn displaymemberbinding="{binding path=language}">language</gridviewcolumn>
         <gridviewcolumn displaymemberbinding="{binding path=number}">number</gridviewcolumn>
         <gridviewcolumn displaymemberbinding="{binding path=idart}">artwork</gridviewcolumn>
      </gridview>
   </listview.view>
</listview>

the idcst buttress unfamiliar pivotal removed table, i'd arrangement tangible name domain list instead only id. does anybody know set databinding, there an event, such onitemdatabound, i prevent cgange display?