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dneilsen View Drop Down
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Joined: 18 April 2006
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Points: 19 		Post Options Post Options   Thanks (0) Thanks(0)   Quote dneilsen Quote  Post ReplyReply Direct Link To This Post Topic: Strange Problem
    Posted: 04 May 2006 at 10:26pm
I have encountered a strange occurance in the calendar control.  Not sure if it is something I have done or not.

Here is the piece of code I am using


        public void RefreshMonth()
        {
            addDebug("Running Refresh Display");
            
            //reset calendar formatting
            this.MonthView.WeeksCount = weeksInMonth(_CurrentDate);
            addDebug("-- Set display to "+weeksInMonth(_CurrentDate)+" weeks");
            addDebug("---- Confirm "+this.MonthView.WeeksCount+" weeks");
            addDebug("-- Redrawing control");
            
            
            //update all events
            addDebug("-- Removing all events");
            this.DataProvider.RemoveAllEvents();
                        
            CalendarDataProvider pCalendarData = this.DataProvider;
            pCalendarData.Create();

            addDebug("-- Creating events for "+this.ActiveView.DaysCount+" days");
            for(int i=0; i<this.ActiveView.DaysCount; i++)
            {
                CalendarViewDay cvd = this.ActiveView;
                addDebug("--- Checking "+cvd.Date.ToShortDateString());

                if(cvd.Date.Month != _CurrentDate.Month)
                    continue;

                int day = cvd.Date.Day;
                int index = day-1;
                double data = Convert.ToDouble(_dataStore[index]);
                addDebug("--- Adding event for day "+day+" - "+data+" hours");

                CalendarEvent ptrEvent = pCalendarData.CreateEvent();
                ptrEvent.StartTime = cvd.Date;
                DateTime dtNow = cvd.Date;
                ptrEvent.StartTime = dtNow;
                dtNow = dtNow.AddDays(1);
                ptrEvent.EndTime = dtNow;
                ptrEvent.Subject = Convert.ToString(data);
                ptrEvent.AllDayEvent = true;
                ptrEvent.Location = "Hrs";
                ptrEvent.Label = 0;
                pCalendarData.AddEvent(ptrEvent);
            }
            addDebug("-- Populating Data");
            pCalendarData.Save();
            this.Populate();                

            //do final update
            addDebug("-- Updating control");
            this.Update();
        }


Now this all works fine except in one situation.
Lets say the calendar is showing August 2005 (which has 5 week rows in the calendar) and I change to October 2005 (which has 6).

What occurs is that CalendarViewDay's on the 6th row of the calendar dont seem to return correctly in the following line.
CalendarViewDay cvd = this.ActiveView;
cvs.Date is always set to 30/12/1899

In my code this results in the two events that should be created on that 6th line, to not be created.

However, if I then run the exact same function again, immediately after the failed attempt, it works fine.


My question is...
I am quite new to these controls so it is quite possible I am not doing something correctly...   Is it my code (or something i have done) or is it a bug?
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dneilsen View Drop Down
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Joined: 18 April 2006
Location: Australia
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Points: 19 		Post Options Post Options   Thanks (0) Thanks(0)   Quote dneilsen Quote  Post ReplyReply Direct Link To This Post Posted: 04 May 2006 at 10:28pm
oh yeah
I nearly forgot....
The debug output (from my addDebug command) is as follows


Running Refresh Display
-- Set display to 6 weeks
---- Confirm 6 weeks
-- Redrawing control
-- Removing all events
-- Creating events for 42 days
--- Checking 25/09/2005
--- Checking 26/09/2005
--- Checking 27/09/2005
--- Checking 28/09/2005
--- Checking 29/09/2005
--- Checking 30/09/2005
--- Checking 1/10/2005
--- Adding event for day 1 - 10 hours
--- Checking 2/10/2005
--- Adding event for day 2 - 10 hours
--- Checking 3/10/2005
--- Adding event for day 3 - 10 hours
--- Checking 4/10/2005
--- Adding event for day 4 - 10 hours
--- Checking 5/10/2005
--- Adding event for day 5 - 10 hours
--- Checking 6/10/2005
--- Adding event for day 6 - 10 hours
--- Checking 7/10/2005
--- Adding event for day 7 - 10 hours
--- Checking 8/10/2005
--- Adding event for day 8 - 10 hours
--- Checking 9/10/2005
--- Adding event for day 9 - 10 hours
--- Checking 10/10/2005
--- Adding event for day 10 - 10 hours
--- Checking 11/10/2005
--- Adding event for day 11 - 10 hours
--- Checking 12/10/2005
--- Adding event for day 12 - 10 hours
--- Checking 13/10/2005
--- Adding event for day 13 - 10 hours
--- Checking 14/10/2005
--- Adding event for day 14 - 10 hours
--- Checking 15/10/2005
--- Adding event for day 15 - 10 hours
--- Checking 16/10/2005
--- Adding event for day 16 - 10 hours
--- Checking 17/10/2005
--- Adding event for day 17 - 10 hours
--- Checking 18/10/2005
--- Adding event for day 18 - 10 hours
--- Checking 19/10/2005
--- Adding event for day 19 - 10 hours
--- Checking 20/10/2005
--- Adding event for day 20 - 10 hours
--- Checking 21/10/2005
--- Adding event for day 21 - 10 hours
--- Checking 22/10/2005
--- Adding event for day 22 - 10 hours
--- Checking 23/10/2005
--- Adding event for day 23 - 10 hours
--- Checking 24/10/2005
--- Adding event for day 24 - 10 hours
--- Checking 25/10/2005
--- Adding event for day 25 - 10 hours
--- Checking 26/10/2005
--- Adding event for day 26 - 10 hours
--- Checking 27/10/2005
--- Adding event for day 27 - 10 hours
--- Checking 28/10/2005
--- Adding event for day 28 - 10 hours
--- Checking 29/10/2005
--- Adding event for day 29 - 10 hours
--- Checking 30/12/1899
--- Checking 30/12/1899
--- Checking 30/12/1899
--- Checking 30/12/1899
--- Checking 30/12/1899
--- Checking 30/12/1899
--- Checking 30/12/1899
-- Populating Data
-- Updating control
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sserge View Drop Down
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Joined: 01 December 2004
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Points: 1297 		Post Options Post Options   Thanks (0) Thanks(0)   Quote sserge Quote  Post ReplyReply Direct Link To This Post Posted: 06 May 2006 at 2:05pm
Quote
this.MonthView.WeeksCount = weeksInMonth(_CurrentDate);
 

When you change MonthView.WeeksCount - you have to call Populate method first to adjust calendar view days collection. (should be done before accesssing ActiveView members)
 
this.DataProvider.RemoveAllEvents();
this.Populate();

--
WBR,
Serge
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dneilsen View Drop Down
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Joined: 18 April 2006
Location: Australia
Status: Offline
Points: 19 		Post Options Post Options   Thanks (0) Thanks(0)   Quote dneilsen Quote  Post ReplyReply Direct Link To This Post Posted: 07 May 2006 at 6:19pm
ahh sweet.
Thought it was something I had done (or had not done)
Thanks again sserge
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