ArcGIS Pro 3.4 API Reference Guide
ArcGIS.Core.Data.DDL Namespace / FieldDescription Class / IsNullable Property

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    IsNullable Property (FieldDescription)
    In This Topic
    Indicates if the ArcGIS.Core.Data.Field can contain null values.
    Syntax
    public bool IsNullable {get; set;}
    Public Property IsNullable As Boolean
    Requirements

    Target Platforms: Windows 11, Windows 10

    ArcGIS Pro version: 3 or higher.
    See Also