Bulk Insert

Hi

  I am using below code to BukInsert data from Excel to Sql . I want to add Record No by autoincrementing . Is it possible . I dont want to create

Identity field

SqlBulkCopy objbulkInsert = new SqlBulkCopy(con);
objbulkInsert.DestinationTableName = "[Data]";
objbulkInsert.ColumnMappings.Add(0, 0);

Thanks