Constructor ReportDataColumn

Initializes a column that may hold null.

public ReportDataColumn(string name, Type type)

name string: The column's name, which fields match through their DataField.
type Type: The CLR type of its values.

Initializes a column.

public ReportDataColumn(string name, Type type, bool allowsNull)

name string: The column's name, which fields match through their DataField.
type Type: The CLR type of its values. A nullable value type is recorded as its underlying type, and makes the column nullable.
allowsNull bool: Whether a value may be null.