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DateTime.Date 屬性

定義

取得這個實例的日期成分。

public:
 property DateTime Date { DateTime get(); };
public DateTime Date { get; }
member this.Date : DateTime
Public ReadOnly Property Date As DateTime

屬性值

一個與此實例相同日期的新物件,時間值設為午夜 12:00:00(00:00:00)。

範例

以下範例利用該 Date 屬性擷取時間分量為零(或 0:00:00,午夜)的值的日期成分 DateTime 。 同時也說明,根據顯示值 DateTime 時所使用的格式字串,時間成分仍可在格式化輸出中持續出現。

using System;

public class Example
{
   public static void Main()
   {
      DateTime date1 = new DateTime(2008, 6, 1, 7, 47, 0);
      Console.WriteLine(date1.ToString());

      // Get date-only portion of date, without its time.
      DateTime dateOnly = date1.Date;
      // Display date using short date string.
      Console.WriteLine(dateOnly.ToString("d"));
      // Display date using 24-hour clock.
      Console.WriteLine(dateOnly.ToString("g"));
      Console.WriteLine(dateOnly.ToString("MM/dd/yyyy HH:mm"));
   }
}
// The example displays output like the following output:
//       6/1/2008 7:47:00 AM
//       6/1/2008
//       6/1/2008 12:00 AM
//       06/01/2008 00:00
open System

let date1 = DateTime(2008, 6, 1, 7, 47, 0)
printfn $"{date1}"

// Get date-only portion of date, without its time.
let dateOnly = date1.Date
// Display date using short date string.
printfn $"{dateOnly:d}"
// Display date using 24-hour clock.
printfn $"{dateOnly:g}"
printfn $"""{dateOnly.ToString "MM/dd/yyyy HH:mm"}"""

// The example displays output like the following output:
//       6/1/2008 7:47:00 AM
//       6/1/2008
//       6/1/2008 12:00 AM
//       06/01/2008 00:00
Module Example
   Public Sub Main()
      Dim date1 As Date = #6/1/2008 7:47AM#
      Console.WriteLine(date1.ToString())
      
      ' Get date-only portion of date, without its time.
      Dim dateOnly As Date = date1.Date
      ' Display date using short date string.
      Console.WriteLine(dateOnly.ToString("d"))
      ' Display date using 24-hour clock.
      Console.WriteLine(dateOnly.ToString("g"))
      Console.WriteLine(dateOnly.ToString("MM/dd/yyyy HH:mm"))   
   End Sub
End Module
' The example displays output like the following:
'       6/1/2008 7:47:00 AM                     
'       6/1/2008
'       6/1/2008 12:00 AM
'       06/01/2008 00:00

備註

回傳DateTime值的屬性值與當前實例的值Kind相同。

由於該 DateTime 類型同時代表同一類型中的日期與時間,因此避免將物業回傳 Date 的日期誤認為日期與時間非常重要。

適用於