private void InitListView()
{
DataObjectName = "PowerSpecificationsDC";
DataObjectFormType = typeof (DCPowerSpecificationControl);
AddColumnData( "Polarity", "polarity", .25 );
AddColumnData( "Voltage", "voltage", .25 );
AddColumnData( "Ripple", "ripple", .25 );
AddColumnData( "Description", "description", .25 );
InitColumns();
}