VB.NET 如何计算时间差

使用datediff函数

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textbox3.text=datediff("d","textbox1.text","textbox2.text")

说明一下：

“d”表示“天”

还可以用“y”,"m","d","h","n","s"

分别表示“年”“月”“日”“时”“分”“秒”

vb.net 怎么计算出明天，昨天的日期？ 格式：yymmdd

明天 DateTime.Now.AddDays(1)

昨天 DateTime.Now.AddDays(-1)

格式化用Format()

vb.net时间间隔的计算

Public Class Form1

Private Past As Date

Private Sub Form1_Load(sender As Object, e As EventArgs) Handles MyBase.Load

Past = Now

IO.File.AppendAllText("test.txt", Past.ToString, System.Text.Encoding.Default)

End Sub

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

Dim Now1 As Date = CDate(IO.File.ReadAllText("test.txt", System.Text.Encoding.Default))

Dim Now2 As Date = Now

MsgBox("从" Now1.ToString "到" Now2.ToString "经过了" CStr(CDate((Now2 - Now1).ToString)))

End Sub

实际情况修改下。

End Class

vb.net计算两个日期之间相差多少天

function getTime2Time($time1, $time2)

{

var time1 = arguments[0], time2 = arguments[1];

time1 = Date.parse(time1)/1000;

time2 = Date.parse(time2)/1000;

var time_ = time1 - time2;

return (time_/(3600*24));

}

document.write(getTime2Time('2016-08-02', '2016-07-02'));

文章名称：包含vb.net时间计算天的词条
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