vb.net取日期 vb 獲取當前日期

怎么在VB.NET中，提取系統日期中的后的月和日的位數

Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click

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Dim a As Short = Date.Now.Month

Dim b As Short = Date.Now.Day

MessageBox.Show(a)

MessageBox.Show(b)

End Sub

上面是獲取月份以及天數

'======================

Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click

Dim a As Short = Date.Now.Month

Dim b As Short = Date.Now.Day

Dim c, d As String

If a 0 AndAlso a 10 Then

c = "1位數"

Else

c = "2位數"

End If

If b 0 AndAlso b 10 Then

d = "1位數"

Else

d = "2位數"

End If

MessageBox.Show(c)

MessageBox.Show(d)

End Sub

這個是獲取位數的

vb.net中如何獲取當前日期所在星期的星期一的具體年月日

Dim ThisDay As String = Format(Now, "yyyy-MM-dd") '獲得當前日期字符串

Dim ThisDateTime As DateTime = Convert.ToDateTime(ThisDay) '當前日期轉換成DateTime

Dim ThisWeekDay As Integer = ThisDateTime.DayOfWeek '獲得當前日期是星期幾

Dim differadd As Integer = 1 - ThisWeekDay '相差的天數（星期1與當前星期幾相差的天數）

Dim MyAdd As New TimeSpan(differadd, 0, 0, 0)

Dim MyYear As Integer = Format(Now, "yyyy") '獲取當前日期的年份

Dim MyMonth As Integer = Format(Now, "MM") '獲取當前日期的月份

Dim MyDay As Integer = Format(Now, "dd") '獲取當前日期是幾號

Dim MyToday As DateTime = New DateTime(MyYear, MyMonth, MyDay)

Dim Yourday As DateTime = MyToday.Add(MyAdd)

MsgBox("本周星期一的日期是：" Yourday)

vb.net中怎么獲取日期中的年月日時分秒