void addProduct(GridRecord record) {
    records.add(record);
    if (firstRecord == null) {
      firstRecord = record;
    }
  }
void addProduct(GridRecord record) {
    records.add(record);
    if (firstRecord == null) {
      firstRecord = record;
    }
  }
void addProduct ( GridRecord record ) { records . add ( record ) ; if ( firstRecord == null ) { firstRecord = record ; } }
Add in a new product

@param record grid  to add
Add in a new product