一个月和一年的日期时间格式 [英] Datetime format for a month and year

问题描述

DateTime ExpMonth = Convert.ToInt32(ddExpMonth); ---- DropDown(user selects a month)
DateTime ExpYear = Convert.ToInt32(ddExpYear);   ---- Dropdown(user selects year)

Datetime ExpDate = ///// I want this part to be saved as Datetime  02/2012

这怎么可能.或其他任何方式.

How is this possible. Or any other way.

推荐答案

DateTime 值不知道格式-它只是一个日期和时间.您可以使用相关信息创建新的 DateTime 值:

A DateTime value doesn't know about a format - it's just a date and a time. You can create a new DateTime value with the relevant information:

DateTime expiry = new DateTime(Convert.ToInt32(ddExpYear),
                               Convert.ToInt32(ddExpMonth),
                               1);

...但是如何保存"完全取决于您.如果您提供更多信息，我们可能会为您提供更多帮助.您可以轻松地将其格式化为字符串:

... but how that is "saved" is entirely up to you. If you give us more information, we may be able to help you more. You can format it to a string easily enough:

string formatted = expiry.ToString("yyyy/MM");

...但是那可能不是你想要的.

... but that may not be what you're after.

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