Indicates whether to read empty cells as null or as empty.

Possible Values

データ型

string

デフォルト値

"ReadAsNull"

解説

NullValueMode controls how empty cells are modeled. An empty cell is a cell that has not been set and thus contains a null string. If NullValueMode is set to ReadAsNull, NULL is reported for an empty cell. If NullValueMode is set to ReadAsEmpty, an empty string is reported for an empty cell.