Skip to content

    TJSONData.IsNull

    Is the data a null value ?

    Declaration

    Source position: fpjson.pp line 206

    public property IsNull: Boolean;

    Description

    IsNull is True only for JSONType=jtNull, i.e. for a TJSONNull instance. In all other cases, it is False. This value cannot be set.

    See also

    Name Description
    TJSONType Possible types of JSON data.
    JSONType The native JSON data type represented by this object.
    TJSONNull Class to represent boolean JSON data.
    AsFloat Access the raw JSON value as a float.
    Value The value of this data object as a variant.
    AsInt64 Access the raw JSON value as an 64-bit integer.
    AsString Access the raw JSON value as a string.
    AsInteger Access the raw JSON value as an 32-bit integer.
    AsBoolean Access the raw JSON value as a boolean.
    AsJSON Return a JSON representation of the value.