Some usefull date functions(Days between two dates, working days between two dates,Months between two dates,off days between two dates) you can use this class in many projects
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165 | using System;
using System.Collections.Generic;
using System.Globalization;
using System.Linq;
using System.Web;
namespace MyApp.Common
{
/// <summary>
/// DateTime Extension Methods
/// </summary>
public static class DateTimeExtensions
{
/// <summary>
/// return true if day is not(sunday or Saturday)
/// </summary>
/// <param name="date"></param>
/// <returns></returns>
public static bool IsWorkingDay(this DateTime date)
{
return date.DayOfWeek != DayOfWeek.Sunday && date.DayOfWeek!= DayOfWeek.Saturday;
}
}
/// <summary>
/// day day_name and date
/// </summary>
public class Date_Properties
{
public int Day { get; set; }
public bool IsWorkingDay { get; set; }
public string DayName { get; set; }
public DateTime Date { get; set; }
public bool IsHoliday { get; set; }
public string DateTimeString { get; set; }
}
/// <summary>
/// Date Time functions
/// </summary>
public class DateTime_Tools
{
private DateTime _startDate;
private DateTime _endDate;
public DateTime_Tools()
{
_startDate = DateTime.Today.Date;
_endDate = DateTime.Today.Date.AddDays(30);
}
public DateTime_Tools(DateTime startDate, DateTime endDate)
{
_startDate = startDate;
_endDate = endDate;
}
/// <summary>
/// Returns All dates between startDate and EndDate
/// </summary>
/// <returns>List of DateTime</returns>
public List<DateTime> AllDates()
{
List<DateTime> dates = new List<DateTime>();
if (_startDate == _endDate)
{
dates.Add(_startDate);
return dates;
}
for (var d = _startDate; d <= _endDate; d = d.AddDays(1))
{
dates.Add(d.Date);
}
return dates;
}
/// <summary>
/// returns only off days between two dates (sundays and saturdays)
/// </summary>
/// <returns></returns>
public List<DateTime> OffDays()
{
var dates= (from date in AllDates().Where(d => d.IsWorkingDay()==false) select date).ToList();
return dates;
}
/// <summary>
/// Returns only working dates eleminates (sunday and sturday)
/// </summary>
/// <returns></returns>
public List<DateTime> WorkingDates()
{
List<DateTime> dates = new List<DateTime>();
for (var d = _startDate; d <= _endDate; d = d.AddDays(1))
{
if (d.IsWorkingDay())
{
dates.Add(d.Date);
}
}
return dates;
}
/// <summary>
/// Number of working days between startdate and End date
/// </summary>
/// <returns></returns>
public int WorkingDays()
{
int count = (from date in AllDates().Where(d => d.IsWorkingDay()) select date).ToList().Count;
return count;
}
/// <summary>
/// Returns number of days between two dates
/// </summary>
/// <returns></returns>
public int AllDays()
{
return AllDates().Count;
}
/// <summary>
/// return List of Date_Properties between to dates
/// </summary>
/// <returns></returns>
public List<Date_Properties> AllDays_Names()
{
List<Date_Properties> _toReturn = new List<Date_Properties>();
_toReturn = (from d in AllDates() select d).ToList().Select(x => new Date_Properties()
{
Day = x.Day,
IsWorkingDay = x.IsWorkingDay(),
Date = x.Date,
DayName = x.DayOfWeek.ToString(),
DateTimeString = x.ToString("dd/MMM/yyyy"),
IsHoliday = false
}).ToList();
return _toReturn;
}
/// <summary>
/// Retuns Month and year between two dates output=> { { "January", 2011 }, { "February", 2011 }}
/// </summary>
/// <returns></returns>
public IEnumerable<Tuple<string, int>> MonthsBetween()
{
DateTime iterator;
DateTime limit;
if (_endDate > _startDate)
{
iterator = new DateTime(_startDate.Year, _startDate.Month, 1);
limit = _endDate;
}
else
{
iterator = new DateTime(_endDate.Year, _endDate.Month, 1);
limit = _startDate;
}
var dateTimeFormat = CultureInfo.CurrentCulture.DateTimeFormat;
while (iterator <= limit)
{
yield return Tuple.Create(
dateTimeFormat.GetMonthName(iterator.Month),
iterator.Year);
iterator = iterator.AddMonths(1);
}
}
public DateTime StarDate { get { return _startDate; } set { _startDate = value; } }
public DateTime EndDate { get { return _endDate; } set { _endDate = value; } }
}
}
|
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