如何获得一个月的第一个和最后一个日期 [英] How to get the First and Last date of a month

问题描述

大家好，

我想查找一个月的第一个和最后一个日期.谁能帮我解决这个问题.我有一个充满月份的组合框，即一月，二月，三月...等.现在我想要的是我将从组合框中选择月份"，那么我应该获得该月的第一个和最后一个日期.有人可以帮我吗?



预先感谢

Jagdish

Hello everyone,

I want to find the first and last date of a month. can anyone help me out how to get it. I have a combobox filled with months i.e. January, February,March,...... and so on. Now what i want is i will select the Month from the combobox, then i should get the first and last date of that month. Can any one help me out in doing so.



Thanks in Advance

Jagdish

推荐答案

我发现这 [ ^ ]在

I found this[^] in 1st page of Google[^]. Always hit in search engine before asking here because it''s frequent & easy one, You can find this by searching in CP.

很显然，该月的第一天是 1 :rolleyes:

可以从 Calendar.GetDaysInMonth [

Well quite obviously the first day of the month is 1 :rolleyes:

The last day can be obtained from Calendar.GetDaysInMonth[^]

Private Function GetFirstDateOfMonth(ByVal iMonth As Integer)<br />
        Dim dtFrom As DateTime = New DateTime(DateTime.Now.Year, iMonth, 1)<br />
        dtFrom = dtFrom.AddDays(-(dtFrom.Day - 1))<br />
        Return dtFrom<br />
    End Function<br />
<br />
    Private Function GetLastDateOfMonth(ByVal iMonth As Integer)<br />
        Dim dtTo As New DateTime(DateTime.Now.Year, iMonth, 1)<br />
        dtTo = dtTo.AddMonths(1)<br />
        dtTo = dtTo.AddDays(-(dtTo.Day))<br />
        Return dtTo<br />
    End Function

我找到了查询的答案，因此想到了将其发布在这里.我们可以从这些函数中获取一个月的第一个和最后一个日期.

I found the answer for my query so thought of posting it here. we can get the first and last date of a month from these functions.

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