easy way to loop over months and years from a given date

Question

I have been trying to write this loop and it just keeps getting more complicated. Basically I want to take a given date and loop through every month until I reach the curren

Answer 1

DateTime endDate = DateTime.Today;
for (DateTime dt = startDate; dt <= endDate; dt = dt.AddMonths(1))
{
    Console.WriteLine("{0:M/yyyy}", dt);
}

But if you prefer while loops, then vote for Dan-o. I did. :)

Answer 2

This will loop over the months and the day of the month will not be a problem.

var date = startDate;
var endDate = DateTime.Now;

while(date.Year < endDate.Year || (date.Year == endDate.Year && date.Month <= endDate.Month))
{
    Console.WriteLine($"{date.Month}/{date.Year}");
    date = date.AddMonths(1);
}

Answer 3

Sam's answer is nice but ultimately incorrect (if your start day is 20 and your end day is 10, it won't include the last month). Here's a version that works:

    public void GetMonths(DateTime startTime, DateTime endTime)
    {
        var dateCounter = new DateTime(startTime.Year, startTime.Month, 1);
        var endDateTarget = new DateTime(endTime.Year, endTime.Month, 1);

        while (dateCounter <= endDateTarget)
        {
            Console.WriteLine($"The year and month is: {dateCounter.Year}, {dateCounter.Month}");
            dateCounter = dateCounter.AddMonths(1);
        }
    }

Answer 4

Date target = new Date(2011, 4, 1);
while (target < Date.Today) {
  // do something with target.Month and target.Year
  target = target.AddMonths(1);
}

Answer 5

while (startDate <= DateTime.Now)
            {
                //here you will get every new month in  year
                Console.WriteLine(startDate.Month);
                //Add Month
                startDate=startDate.AddMonths(1);
            }

Answer 6

Generate a range (as IEnumerable`DateTime) of first days of a month in between of a given dates:

from range in new[] {
    new {
        start = new DateTime(2017, 6, 23),
        end = new DateTime(2018, 09, 11)
    }
}
select (
    from y in Enumerable.Range(
        range.start.Year, range.end.Year - 
        range.start.Year + 1
    )
    let ms = y == range.start.Year ? range.start.Month : 1
    let me = y == range.end.Year ? range.end.Month : 12
    select 
        from m in Enumerable.Range(ms, me - ms + 1)
        select new DateTime(y, m, 1)
).SelectMany(y => y)