28-12-2015 19:03:52 C# / Extensions 0 Bookmark(s) 368 View(s)

 

public static class DateTimeExtensions
{
    public static DateTime BeginOfWeek(this DateTime date)
    {
        int delta = DayOfWeek.Monday - date.DayOfWeek;
        
        if (delta > 0)
        {
            delta -= 7;
        }
            
        return date.AddDays(delta);
    }
}