Item(String) Property

In This Topic

Gets and sets the value of a field given its attribute name or alias name. This indexer must be called on the MCT. Use QueuedTask.Run.

Syntax

C#
Visual Basic (Declaration)

public object Item( 
   string fieldName
) {get; set;}

Public Overloads Property Item( _
   ByVal fieldName As String _
) As Object

Parameters

fieldName: The attribute name or alias name of the field.

Property Value

The value of the field.

Exceptions

Exception	Description
System.NotSupportedException	This table/feature does not support this operation. For example, it is from a joined table.
ArcGIS.Core.Data.Exceptions.GeodatabaseException	A geodatabase-related exception has occurred. For example, fieldName is invalid or does not exist.
ArcGIS.Core.Geometry.Exceptions.GeometryException	The index of fieldName corresponds to a shape field index and the type of shape (i.e., geometry) is not supported.

Remarks

can be either an attribute name or alias name. If does not exist as an attribute name, it will be treated as an alias name. If the alias name still does not exist, an exception will be thrown. Furthermore, if the Field.FieldType corresponding to the specified is FieldType.Blob, the value will be System.IO.MemoryStream.

Example

Checking a field value for null

var val = row[field.Name];
if (val is DBNull || val == null)
{
  // field value is null
}
else
{
  // field value is not null
}

Requirements

Target Platforms: Windows 11, Windows 10, Windows 8.1

Reference

Row Class
Row Members
Overload List

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