DateTime - Yesterday

A DateTime extension method that returns the yesterday of the given DateTime ofbject.

Try it

public static void Main()
    DateTime todayDate = DateTime.Now;
	Console.WriteLine("Current Date           : {0}", todayDate.ToFullDateTimeString());
	// C# Extension Method: DateTime - Yesterday
	DateTime tomorrow = todayDate.Yesterday();
	Console.WriteLine("After calling Yesterday: {0}", tomorrow.ToFullDateTimeString());

View Source
using System;

public static partial class Extensions
    /// <summary>
    ///     A DateTime extension method that yesterdays the given this.
    /// </summary>
    /// <param name="this">The @this to act on.</param>
    /// <returns>Yesterday date at same time.</returns>
    public static DateTime Yesterday(this DateTime @this)
        return @this.AddDays(-1);