![](dotnetdiagramimages/MESCIUS_ActiveReports_Core_Rendering_GrapeCity_DataVisualization_Chart__StringDataField.png)
'宣言
Public Class _StringDataField Inherits _BaseDataField Implements IDataField, GrapeCity.DataVisualization.Chart.IEquatable(Of IDataField), IStringDataField
public class _StringDataField : _BaseDataField, IDataField, GrapeCity.DataVisualization.Chart.IEquatable<IDataField>, IStringDataField
System.Object
GrapeCity.DataVisualization.Chart._BaseDataField
GrapeCity.DataVisualization.Chart._StringDataField