ArcGIS Pro 2.6 API Reference Guide
IsNullable Property (Field)

ArcGIS.Core.Data Namespace > Field Class : IsNullable Property
Gets a value indicating whether this field can contain null values.
Syntax
public bool IsNullable {get;}
Public ReadOnly Property IsNullable As Boolean
Requirements

Target Platforms: Windows 10, Windows 8.1, Windows 7

See Also

Reference

Field Class
Field Members