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Solved
Formatting TimeSpan in C#
Posted on 2011-03-23
How can I format a Date Difference in C# using timespan.subtract
Here is what I have so far, I need it to return in hh:mi format
If there is an easier way to do it other than timespan im open to it. I just have to return this to the user in an hh:mi format. Even (negative times) -hh:mi if the time returned is negative.
Thanks
Here is what I have so far, I need it to return in hh:mi format
If there is an easier way to do it other than timespan im open to it. I just have to return this to the user in an hh:mi format. Even (negative times) -hh:mi if the time returned is negative.
Thanks
DateTime startTime = new DateTime();
DateTime endTime = new DateTime();
TimeSpan conflictDuration = new TimeSpan();
startTime = 03/28/2011 11:45;
endTime = 03/28/2011 1:47;
conflictDuration = endTime.Subtract(startTime);
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12 Comments
Unfortunately the TimeSpan() class doesn't accept a format in ToString() so you have to manually extract the values and put them together yourself. =\
Here's one way:
Here's one way:
conflictDuration = endTime.Subtract(startTime);
string formatted = (conflictDuration.TotalMilliseconds < 0 ? "-" : "") + Math.Abs(conflictDuration.Hours).ToString("00") + ":" + Math.Abs(conflictDuration.Minutes).ToString("00");
MessageBox.Show(formatted);
I've often wondered why they didn't implement a ToString() overload that accepts a format for the TimeSpan...it would make perfect sense to me! =)
BTW, TimeSpan.ToString(format) is available in .NET 4:
http://msdn.microsoft.com/en-us/library/dd992632.aspx
So, p_davis' answer is correct as long as it's .NET 4.
I hope this helps.
http://msdn.microsoft.com/en-us/library/dd992632.aspx
So, p_davis' answer is correct as long as it's .NET 4.
I hope this helps.
Woohoo! Thanks for update wdosanjos. =)
You have to escape the ":" though like this:
*This is different than the DateTime.ToString() method which is perfectly happy accepting an un-escaped colon!
You have to escape the ":" though like this:
Dim dtA As DateTime = DateTime.Now
Dim dtB As DateTime = dtA.AddDays(Math.PI)
Dim ts As TimeSpan = dtB.Subtract(dtA)
Label1.Text = ts.ToString("dd\:hh\:mm\:ss")
*This is different than the DateTime.ToString() method which is perfectly happy accepting an un-escaped colon!
Hahaha...grrrr....I'm always forgetting what ZONE I'm in! =)
In not as beautiful as VB.Net, the C# equivalent would be: *wink*
In not as beautiful as VB.Net, the C# equivalent would be: *wink*
private void button1_Click(object sender, EventArgs e)
{
DateTime dtA = DateTime.Now;
DateTime dtB = dtA.AddDays(Math.PI);
TimeSpan ts = dtB.Subtract(dtA);
label1.Text = ts.ToString(@"dd\:hh\:mm\:ss");
}
well defined space of a function embraced by beautiful curly brackets.....all is right with the world
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