Asp.net time operation base class (supports short date, long date, time difference)

Copy codeThe Code is as follows: using System;
Using System. Data;
Using System. Configuration;
Using System. Web;
Using System. Web. Security;
Using System. Web. UI;
Using System. Web. UI. WebControls;
Using System. Web. UI. WebControls. WebParts;
Using System. Web. UI. HtmlControls;
Namespace EC
{
/// <Summary>
/// Time Operation Function
/// </Summary>
Public class TimeObject
{
/// <Summary>
/// Time Difference
/// </Summary>
/// <Param name = "starttime"> Start time </param>
/// <Param name = "endtime"> end time </param>
/// <Returns> </returns>
Public static string GetTimeSpan (DateTime starttime, DateTime endtime)
{
TimeSpan ts = endtime-starttime;
Return string. format ("{0} {1} minute {2} seconds {3} millisecond", ts. hours, ts. minutes, ts. seconds, ts. milliseconds );
}
/// <Summary>
/// Call it month-day: 09-12
/// </Summary>
/// <Param name = "d"> date </param>
/// <Returns> </returns>
Public static string ToDateMonthDay (DateTime d)
{
Return d. ToString ("MM-dd ");
}
/// <Summary>
/// Convert to year, month, and day:
/// </Summary>
/// <Param name = "d"> </param>
/// <Returns> </returns>
Public static string ToDateString (DateTime d)
{
Return d. ToString ("yyyy-MM-dd ");
}
/// <Summary>
/// Converted to: hour: minute: seconds 00:29:58
/// </Summary>
/// <Param name = "t"> </param>
/// <Returns> </returns>
Public static string ToTimeString (DateTime t)
{
Return t. ToString ("HH: mm: ss ");
}
/// <Summary>
/// Converted to long time: 00:30:57
/// </Summary>
/// <Param name = "dt"> </param>
/// <Returns> </returns>
Public static string ToDateTimeString (DateTime dt)
{
Return dt. ToString ("yyyy-MM-dd HH: mm: ss ");
}
}
}