ArcGIS Pro 3.1 API Reference Guide
ArcGIS.Core.Data Namespace / QueryDescription Class / GetObjectIDField Method

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    GetObjectIDField Method (QueryDescription)
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    Gets the name of the ObjectID field. This method must be called on the MCT. Use QueuedTask.Run.
    Syntax
    public string GetObjectIDField()
    Public Function GetObjectIDField() As String

    Return Value

    The name of the ObjectID field.
    Exceptions
    ExceptionDescription
    A database-related exception has occurred.
    Remarks
    There are situations in which calling this method returns an empty string (please see the remarks section in IsObjectIDMappedColumnRequired). When this situation occurs, calling Database.OpenTable will cause an exception unlessSetObjectIDFields is invoked first with one or more valid fields as arguments.
    Requirements

    Target Platforms: Windows 11, Windows 10

    ArcGIS Pro version: 3.0 or higher.
    See Also