Get Relative Date Value - CSharp System

CSharp examples for System:DateTime Calculate

  1. HOME
  2. CSharp
  3. System
  4. DateTime Calculate

Description

Get Relative Date Value

Demo Code


using System.Threading.Tasks;
using System.Linq;
using System.Globalization;
using System.Collections.Generic;
using System;/*from   w w  w  .j a  v  a2 s.co m*/

public class Main{
        private static string GetRelativeDateValue(DateTime date, DateTime comparedTo)
        {
            TimeSpan diff = comparedTo.Subtract(date);
            if (diff.TotalDays >= 365)
                return string.Concat("on ", date.ToString("MMMM d, yyyy"));
            if (diff.TotalDays >= 7)
                return string.Concat("on ", date.ToString("MMMM d"));
            else if (diff.TotalDays > 1)
                return string.Format("{0:N0} days ago", diff.TotalDays);
            else if (diff.TotalDays == 1)
                return "yesterday";
            else if (diff.TotalHours >= 2)
                return string.Format("{0:N0} hours ago", diff.TotalHours);
            else if (diff.TotalMinutes >= 60)
                return "more than an hour ago";
            else if (diff.TotalMinutes >= 5)
                return string.Format("{0:N0} minutes ago", diff.TotalMinutes);
            if (diff.TotalMinutes >= 1)
                return "a few minutes ago";
            else
                return "less than a minute ago";
        }
        public static string ToString(this DateTime? date, string format, IFormatProvider provider)
        {
            if (date.HasValue)
                return date.Value.ToString(format, provider);
            else
                return string.Empty;
        }
        public static string ToString(this DateTime? date, IFormatProvider provider)
        {
            return date.ToString(null, provider);
        }
        public static string ToString(this DateTime? date, string format)
        {
            return date.ToString(format, DateTimeFormatInfo.CurrentInfo);
        }
        public static string ToString(this DateTime? date)
        {
            return date.ToString(null, DateTimeFormatInfo.CurrentInfo);
        }
}

Related Tutorials