DateFieldFormat 类

使您可以获取和设置报表中日期字段的日期格式选项。

有关该类型所有成员的列表,参见 DateFieldFormat 成员。

System.Object
   CrystalDecisions.CrystalReports.Engine.EngineObjectBase
      CrystalDecisions.CrystalReports.Engine.ReportObjectProperty
         DateFieldFormat

[Visual Basic]

Public Class DateFieldFormat
Implements IDisposable

[C#]

public class DateFieldFormat : IDisposable

示例

下列示例通过 FieldFormat 对象的 DateFieldFormat 属性检索 DateFieldFormat 对象。

  
[VJ#]
      private DateFieldFormat getDateFieldFormat
         (String reportObjectName)
      {
         FieldObject field;
         DateFieldFormat dateFormat = null;
         try
         {
            field = (FieldObject)Report.get_ReportDefinition()
               .get_ReportObjects().get_Item(reportObjectName);
            if (field.get_DataSource().get_ValueType() == FieldValueType.DateField)
               dateFormat = field.get_FieldFormat().get_DateFormat();
         }
         catch (Exception e)
         {
         }
         return dateFormat;
      }
      
  
[Visual Basic]
      Private Function GetDateFieldFormat _
         (ByVal reportObjectName As String) As DateFieldFormat
      
         Dim field As FieldObject
         Dim dateFormat As DateFieldFormat
      
         If TypeOf _
            (Report.ReportDefinition.ReportObjects. _
            Item(reportObjectName)) Is FieldObject Then
            field = _
               Report.ReportDefinition.ReportObjects. _
               Item(reportObjectName)
            If field.DataSource.ValueType = _
               FieldValueType.DateField Then
               dateFormat = field.FieldFormat.DateFormat
               GetDateFieldFormat = dateFormat
            Else : GetDateFieldFormat = Nothing
            End If
         Else : GetDateFieldFormat = Nothing
         End If
      End Function
      
  
[C#]
      private DateFieldFormat GetDateFieldFormat
         (string reportObjectName)
      {
         FieldObject field;
         DateFieldFormat dateFormat;
         field =
            Report.ReportDefinition.ReportObjects[reportObjectName]
            as FieldObject;
         if (field != null)
         {
            if (field.DataSource.ValueType == FieldValueType.DateField)
            {
               dateFormat = field.FieldFormat.DateFormat;
               return dateFormat;
            }
            else return null;
         }
         else return null;
      }
      

要求

命名空间 CrystalDecisions.CrystalReports.Engine

程序集 CrystalDecisions.CrystalReports.Engine (CrystalDecisions.CrystalReports.Engine.dll)

请参见

DateFieldFormat 成员 | CrystalDecisions.CrystalReports.Engine 命名空间

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