calendar control very slow performance with multiple columns and rows

10 posts, 0 answers
  1. Valentijn
    Valentijn avatar
    21 posts
    Member since:
    Sep 2010

    Posted 16 Dec 2010 Link to this post

    Hi

    We are using a calendar control to display a full year like this:

    <

     

     

    telerik:RadCalendar Grid.Row="2" x:Name="calendarRange"

     

     

     

    Columns="4" Rows="3" SelectionMode="Extended" ViewsHeaderVisibility="Visible"

     

     

     

    Culture="nl-BE" />

    We are not doing anything to it in code behind.

    However the performance is very poor in this case. It takes about 15 seconds to display and the browser is acting strange (hanging for a while). Also after running it seams some memory is being leaked as visual studio complains about out of memory.

    Did anyone experience this? We tried it on different machines with the same result.
    Is this a known issue and is there anything we can do?

    Best regards

    Valentijn

     

  2. Kaloyan
    Admin
    Kaloyan avatar
    920 posts

    Posted 21 Dec 2010 Link to this post

    Hi Valentijn,

    Can you run the control in a clean solution and check if there are some performance bottlenecks regarding the control?

    Greetings,
    Kaloyan
    the Telerik team
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  4. Forest
    Forest avatar
    72 posts
    Member since:
    Aug 2010

    Posted 07 Jan 2011 Link to this post

    Hi

    We have the same problem.

    Our calendar has 4 columns et 3 rows.
    It 's localized into a tab item. It's very slow to display it.
    When we want to get another tab item, the navigator is blocked, the CPU raise at maximum.
    We have to wait to wait 20 seconds to continue.

    Have you news about this problem ? 
    It is possible to fix it please ?

    Thank you 

    Mathieu 
  5. Kaloyan
    Admin
    Kaloyan avatar
    920 posts

    Posted 12 Jan 2011 Link to this post

    Hi Valentijn,

    Can you try loading the control apart from the TabControl. You can also share a code sample of the issue so we can investigate the problem and provide you with work around?

    Regards,
    Kaloyan
    the Telerik team
    Let us know about your Windows Phone 7 application built with RadControls and we will help you promote it. Learn more>>
  6. Forest
    Forest avatar
    72 posts
    Member since:
    Aug 2010

    Posted 12 Jan 2011 Link to this post

    <sdk:TabControl>
        <sdk:TabItem>
                <Grid Width="Auto">
                        <telerik:RadScheduler  ViewMode="Month"         
                                                      IsViewModeNavigationEnabled
    ="False"        
                                                      x:Name
    ="calendarMonthView"                                    
                                                      AppointmentsSource
    ="{Binding SelectedCalendar.AppointmentList, Mode=TwoWay}"
                              OpenModalDialogs="True" 
                                                                                                        MonthViewScrollBarVisibility="Collapsed"
                           Width="800"     HorizontalAlignment="Left"    Height="450"                                     
                                                       VerticalAlignment
    ="Top">
           </telerik:RadScheduler>
                  </Grid>
           </sdk:TabItem>
      
       <sdk:TabItem>                                            
           <Grid Background="#FFE5E5E5">
                       <telerik:RadCalendar x:Name="calendarYearView" ViewsHeaderVisibility="Visible"
                                                        
    DisplayMode="MonthView" 
    SelectionMode="Extended" 
     Rows="3" Columns="4" Width="800" Height="450"
                                                                         >                                     
                      </telerik:RadCalendar>
            </Grid>
       </sdk:TabItem>
    </sdk:TabControl>

    Hi
     
    The problem appears when the calendar Row number is 3.
    It takes many seconds to display it.
    When I leave its tabs item, it take many second to change the tab item display.
    I return to my Calendar TabItem then i leave it again : it takes more time at each leaving.

    As work around, in code behind i had to do this when i leave my calendar tab item  :
    calendarYearView.Columns = 1;
    calendarYearView.Rows = 1;

    Then when i return to my calendar tab item i do this in code behind :
    calendarYearView.Columns = 4; 
    calendarYearView.Rows = 3;

    Thank you

    Mathieu
  7. Kaloyan
    Admin
    Kaloyan avatar
    920 posts

    Posted 14 Jan 2011 Link to this post

    Hello Valentijn,

    We are currently investigating the issue and trying to provide a hot fix for some of the next iteration of the control development. Sorry for the caused inconvenience.

    Kind regards,
    Kaloyan
    the Telerik team
    Let us know about your Windows Phone 7 application built with RadControls and we will help you promote it. Learn more>>
  8. Zameer
    Zameer avatar
    1 posts
    Member since:
    Mar 2011

    Posted 30 Mar 2011 Link to this post

    HI,

    Has there been an update on this?

    Regards,
    Zameer Malim
  9. Kaloyan
    Admin
    Kaloyan avatar
    920 posts

    Posted 01 Apr 2011 Link to this post

    Hello Zameer,

    Sorry for being late with our response. We didn't manage to fix the problem in the latest Q1.2011 release as we hade some more critical issues to be done. We will do our best to accomplish the task in the nearest possible time frame. Sorry once again.

    Greetings,
    Kaloyan
    the Telerik team
  10. Kailash
    Kailash avatar
    1 posts
    Member since:
    Jul 2011

    Posted 28 Jul 2011 Link to this post

    Hello Kaloyan,

    We are facing the same problem. Has there been any fix provided for this in latest release?

    Thanks in advnace,
    Kailash Shastri
  11. Yana
    Admin
    Yana avatar
    4554 posts

    Posted 02 Aug 2011 Link to this post

    Hi Kailash,

    I'm afraid that this issue is not fixed due to more urgent tasks. We're sorry for the inconvenience.

    Best wishes,
    Yana
    the Telerik team

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