How can I remove a quantity of N days on a date?
Example:
namespace TesteData
{
class Program
{
static void Main(string[] args)
{
var dataAtual = DateTime.Now.Date; // dataAtual 13/09/17
var qtdDias = 5;
//Como fazer essa dataAtual 13/09/17 - qtdDias = 08/09/17
//dataAtual = 08/09/17
}
}
}
It does not have a subtraction method, but just use a mathematical trique with the AddDays() :
using System;
namespace TesteData {
public class Program {
public static void Main(string[] args) {
var dataAtual = DateTime.Now.Date;
var qtdDias = 5;
var novaData = dataAtual.AddDays(-qtdDias);
Console.WriteLine(novaData);
}
}
}
See running on .NET Fiddle . And no Coding Ground . Also I put it in GitHub for future reference .
To subtract a particular time interval from the current instance, call the method that adds that time interval to the current date, and supply a negative value as the method argument. For example, to subtract two months from the current date, call the AddMonths (Int32) method with a value of -2.
simply:
namespace TesteData
{
class Program
{
static void Main(string[] args)
{
var qtdDias = 5;
var dataAtual = DateTime.Now.Date.AddDays(qtdDias*-1); // dataAtual 13/09/17
}
}
}