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date and time format and how to add

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date and time format and how to add

 
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  #1
Aug 7th, 2009
i know that the datetime.utcnow command is to show the date and time of the instant it was called.

just say i have this

C# Syntax (Toggle Plain Text) 
  1. int time;
  2. time = //27/08/2009 09:00:00
  3.  
  4. time = time + //15 seconds

what is the code or the numbers i need to use for this?
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Re: date and time format and how to add

 
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  #2
Aug 7th, 2009
Use the TimeSpan class and the overloaded + operator.
c# Syntax (Toggle Plain Text) 
  1. TimeSpan FifteenSecs = new TimeSpan(0, 0, 15);
  2. time = time + FifteenSecs;
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Re: date and time format and how to add

 
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  #3
Aug 7th, 2009
In addition to the timespan you can also add dates using the DateTime class:
C# Syntax (Toggle Plain Text) 
  1. DateTime utcNow = DateTime.UtcNow.AddSeconds(15);
Scott Knake
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Re: date and time format and how to add

 
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  #4
Aug 7th, 2009
cheers thats helped, i have a part of a string that has the date in it, i can extract it but how do i use that as the start time.

like how would 27/08/2009 09:00:00 actually be put into "time" so that it timespan actually adds 15 seconds on to it
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Re: date and time format and how to add

 
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Aug 7th, 2009
C# Syntax (Toggle Plain Text) 
  1. DateTime.Parse("27/08/2009 09:00:00").AddSeconds(15);
Scott Knake
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Re: date and time format and how to add

 
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  #6
Aug 7th, 2009
In your first code sample you used an int as type for your time variable, that is not correct.
Use this (just as Scott suggested already) DateTime time = DateTime.UtcNow;
Now you can say things like time.AddSeconds(15); or use a TimeSpan like I did.
Today is a gift, that's why it is called "The Present".
Make love, no war. Cave ab homine unius libri.
Danny
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Re: date and time format and how to add

 
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  #7
Aug 7th, 2009
i have this in a string:

"DATA COLLECTED FOR 24 HOURS STARTING AT: 09:00:00 Hrs 27-08-09"

how would i go about making it "27-08-09 09:00:00"

i have a rough idea with splits and trims etc but i dont actually know how i would get both beside each other. perhaps putting each word in a string, finding out which ones it is then printing out a string made up of the elements containing them?
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Re: date and time format and how to add

 
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  #8
Aug 7th, 2009
Is it static except for the date and time changing?
Scott Knake
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Re: date and time format and how to add

 
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  #9
Aug 7th, 2009
yeah it is, each file comes in with same string, but different time and date.
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Re: date and time format and how to add

 
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  #10
Aug 7th, 2009
If you know your string is ALWAYS of the same format you could use:
c# Syntax (Toggle Plain Text) 
  1.  string input = "DATA COLLECTED FOR 24 HOURS STARTING AT: 09:00:00 Hrs 27-08-09";
  2.             string dateStr = input.Substring(input.Length - 8, 8);
  3.             string timeStr = input.Substring(input.Length - 21, 8);
  4.             string datetimeStr = dateStr + " " + timeStr;
Today is a gift, that's why it is called "The Present".
Make love, no war. Cave ab homine unius libri.
Danny
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