Adding a Time to a DateTime in C

Question

I have a calendar and a textbox that contains a time of day  I want to create a datetime that is the combination of the two  I know I can do it by looking at the hours and mintues and then adding these to the calendar DateTime  but this seems rather messy   Is there a better way

User · Answer

Using https   github com FluentDateTime FluentDateTime  DateTime dateTime   DateTime Now  DateTime combined   dateTime   36 Hours    Console WriteLine combined

User · Answer

DateTime newDateTime   dtReceived Value Date Add TimeSpan Parse dtReceivedTime Value ToShortTimeString

User · Answer

Combine both  The Date-Time-Picker does support picking time  too   You just have to change the Format-Property and maybe the CustomFormat-Property

User · Answer

If you are using two DateTime objects  one to store the date the other the time  you could do the following   var date   new DateTime 2016 6 28    var time   new DateTime 1 1 1 13 13 13    var combinedDateTime   date AddTicks time TimeOfDay Ticks     An example of this can be found here

User · Answer

Depending on how you format  and validate   the date entered in the textbox  you can do this   TimeSpan time   if  TimeSpan TryParse textboxTime Text  out time           calendarDate is the DateTime value of the calendar control    calendarDate   calendarDate Add time     else         notify user about wrong date format     Note that TimeSpan TryParse expects the string to be in the  hh mm  format  optional seconds

User · Answer

You can use the DateTime Add   method to add the time to the date   DateTime date   DateTime Now  TimeSpan time   new TimeSpan 36  0  0  0   DateTime combined   date Add time   Console WriteLine   0 dddd    combined     You can also create your timespan by parsing a String  if that is what you need to do   Alternatively  you could look at using other controls  You didn t mention if you are using winforms  wpf or asp net  but there are various date and time picker controls that support selection of both date and time

[c#] Adding a Time to a DateTime in C#

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