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