C# - How To Calculate Timespan Using C#

Oct 21, 2010

I would like to use asp.net c# to calculate the timespan for when a file was uploaded. Example, if i uploaded a file two weeks ago my text will say 'uploaded 2 weeks ago' or if i have upload a file 4 month's ago my text will say 'uploaded 4 months ago'

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The language I am using is C#.

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My problem is the fact that it can span multiple years.

For example:

Nr of Days in TimeSpan for 2009 * coef for 2009 + Nr of Days in TimeSpan for 2010 * coef for 2010 + etc

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In the code i have :

gvRankings.DataSource = rankings.OrderBy(rg => rg.Swimtime).Take(100).ToArray();
(Swimtime here is a timespan)

At the frontside i have

< asp:TemplateField HeaderText="Tijd" ItemStyle-CssClass="time" HeaderStyle-CssClass="smallheader">
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< /asp:TemplateField>

I would like to format the swimtime like hh:mm:dd.ff but i have (after 2 hours of trying) absolutely no idea how to do this.....

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I have created a small asp.net application that allows users to reset their passwords. I am able to retrieve that last time the password was reset from the Directory Searcher object, but I'm having trouble with checking the timespan since the last password reset. The users can reset their passwords again after 24 hours have passed, otherwise they well get an error stating that they are not able to update their password at this time. Any recommendations on how to best go about doing this?

string passwordLastSet = string.Empty;
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I am getting time span paramter from our client apllication(in Asp.net 3.5 using C#).

When i am Saving this Timepan Parameter at Our Backend (Sql server 2008) Using Linq(In WCF Service) it gives following error:

Unable to cast object of type 'System.TimeSpan' to type 'System.IConvertible'.

My Code is given below:

objsession.s_QuestionMasterTopicInsert(topic.Title, contentId,
topic.IsAvailable, ref strRet,
ref strRetMsg);
// topic.Time(is the time span type )
//I changed Convert.ToDateTime(Time) to
objsession.s_QuestionMasterTopicInsert(topic.Title, contentId, new
DateTime(time.Ticks), topic.IsAvailable,
ref strRet,
ref strRetMsg);

But it gives following error:

SqlDateTime overflow. Must be between 1/1/1753 12:00:00 AM and 12/31/9999 11:59:59 PM

Is it Possible to convert timespan to Datetime?

How should I save timespan at My backend as Datetime Field ?

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Jul 26, 2010

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string TimeSpanText = string.Format("{0:h\:mm\:ss}", MyTimeSpan);

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Csharp Code:
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