I am not sure what you mean by blank record. DO you mean the AddNewRow or do you mean an empty record in your data source?
Also, normally in CurrentRecordContextChanged, you conditionally execute code based on the value of e.Action.
Here is a snippet that picks out the AddNewRow when e.Action is EnterComplete.
if(e.Action == CurrentRecordAction.EnterRecordComplete)
{
if(e.Record is AddNewRecord)
{
Console.WriteLine("AddNewRecord");
}
else
{
DataRowView drv = e.Record.GetData() as DataRowView;
}
}