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Question

Detect Month changed in month calander C#

Answer 1

+1 A:

try this

private int MonthValue = 0;
private bool bChanged = false;
private void Form1_Load(object sender, EventArgs e)
{
    MonthValue = monthCalendar1.TodayDate.Month;
}
private void monthCalendar1_DateChanged(object sender, DateRangeEventArgs e)
{

    if (MonthValue != monthCalendar1.SelectionStart.Month)
    {
        //changed
        bChanged = true;
        MonthValue = monthCalendar1.SelectionStart.Month;
    }
    else
    {
        //not changed
        bChanged = false;
    }
}

Raymund 2010-10-14 01:30:04

Yea.. that's a correct answer. But that only works when u click the Month's name and select a different month.if you click 2 buttons with ">" or "<" icon, it will show the month has changed but it continue changing

william 2010-10-14 01:57:00

Have you tried using it as for me it works fine using "<" or ">".

Raymund 2010-10-14 02:16:19

Yes, I already tried.

william 2010-10-14 02:37:00

I put a messagebox if it goes into if statement. So the messagebox pops up new month. If i click that new month, next month pops up again.. and it pops up non stop

william 2010-10-14 02:37:58

Is this what you mean? private void monthCalendar1_DateChanged(object sender, DateRangeEventArgs e){ if (MonthValue != monthCalendar1.SelectionStart.Month) { //changed bChanged = true; MonthValue = monthCalendar1.SelectionStart.Month; MessageBox.Show("New month"); } else { //not changed bChanged = false; }}

Raymund 2010-10-14 02:45:37

Yes.. in MessageBox, instead of "New month", I wrote MonthValue.ToString()So Current month is 10. If I click ">", 11 pops up. When I click OK, 12 pops up followed by 1,2,3 and so on..

william 2010-10-14 02:50:56

Check your events it might be firing in some other location as well, for me it worked fine. I only placed the code on the DateChanged event and nothing else.

Raymund 2010-10-14 02:53:15

yea.. me too.. I created a new proj and drag only one month calender.there are only form load event and date changed event.

william 2010-10-14 02:56:13

What .Net version are you using? and what OS. I'm using Win7 and .Net 4, that might have a impact, but not sure

Raymund 2010-10-14 02:58:40

I m using XP .net 2.

william 2010-10-14 03:03:06

I found out that the ">" button or the "<" is continue clicking whenever I write something in date changed event. Even a message box showing "Change". keep on showing "Change". My frd is using XP and .net 4, also have the same problem.

william 2010-10-14 03:04:18

IT IS WORKING.. as long as you don't pop up any message box.

william 2010-10-14 03:31:46

mmm, Nice to hear thats its working now

Raymund 2010-10-14 03:48:05

Ok. Thanks a lot.

william 2010-10-14 04:00:13

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Detect Month changed in month calander C#

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