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How to programmaticly load images from directory on server

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CoverFlow
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Eugeniy Tunikov
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Eugeniy Tunikov asked on 09 Mar 2010, 03:20 PM
Hei. I have a directory on server which has images which amount varies.
I need to load the images and show them.

Right now my coverflow does not load images dynamicly. Here is the code

 

<telerikNavigation:RadCoverFlow x:Name="CoverFlow" OffsetY="100" ItemsSource="{Binding}" VerticalAlignment="Center" ItemScale="0.85" >     
   
<telerikNavigation:RadCoverFlow.ItemTemplate>     
 <DataTemplate>   
<local:AlbumCover Width="225" Height="225" />     
</DataTemplate>   
 </telerikNavigation:RadCoverFlow.ItemTemplate>  </telerikNavigation:RadCoverFlow>   
 
<ScrollBar telerik:StyleManager.Theme="Office_Black" Width="600" Height="20" Margin="0,2,0,0" Orientation="Horizontal" SmallChange="1" LargeChange="3" Minimum="0" Grid.Row="1" Value="{Binding ElementName=CoverFlow, Path=SelectedIndex, Mode=TwoWay}"   
Maximum="{Binding ElementName=CoverFlow, Path=ItemsSource.Count, Converter={StaticResource IntToIntValueConverter}, ConverterParameter=-1}" /> </Grid> 
 
 

In the code behind it loads images like this

 

new DataItem ()   
{  
ImageSource = new Uri("Images/03.png", UriKind.Relative), Genre = "Jazz"Title = "The Most Relaxing Jazz Standards in the Universe", },  

 

 

 

 

Like i said the images must be loaded dymamicly. First i need to read what files are in folder and then push them to silverlight app.
Please give me advise.

Thanks

 

 

 

 

 

 

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Eugeniy Tunikov
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answered on 10 Mar 2010, 08:52 AM
Do i need to create a generic handler?
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Eugeniy Tunikov
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answered on 11 Mar 2010, 09:10 AM
Can i do like this?

Uri uri = new Uri(@"http://localhost:6519/getfile.ashx", UriKind.Absolute);  
            BitmapImage bi = new BitmapImage(uri);  
            ObservableCollection<BitmapImage> bitmaps = new ObservableCollection<BitmapImage>();  
            bitmaps.Add(bi);  
            this.coverFlow.ItemsSource = bitmaps
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Eugeniy Tunikov
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answered on 11 Mar 2010, 10:07 AM
Ok i have done this and pictures are showing

 

Uri uri = new Uri(@"http://localhost:6519/getfile.ashx", UriKind.Absolute);  
            BitmapImage bi = new BitmapImage(uri);  
            ObservableCollection<BitmapImage> bitmaps = new ObservableCollection<BitmapImage>();  
            bitmaps.Add(bi);  
            bitmaps.Add(bi);  
            bitmaps.Add(bi);  
            bitmaps.Add(bi);  
            bitmaps.Add(bi);  
            bitmaps.Add(bi);  
            bitmaps.Add(bi);  
            bitmaps.Add(bi);  
 
            this.coverFlow.ItemsSource = bitmaps

BUT!! now i cannot navigate pictures to the right and left. Its just static. Any idea why?

 

 

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Hristo Borisov
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answered on 15 Mar 2010, 09:17 AM
Hello Eugeniy Tunikov,

Do you use an ItemTemplate property to define the child template of your CoverFlow? Try setting in xaml the following template which should resolve your problem:

<navigation:RadCoverFlow.ItemTemplate>
    <DataTemplate>
        <Grid Width="128" Height="128">
            <Image Source="{Binding}" />
        </Grid>
    </DataTemplate>
</navigation:RadCoverFlow.ItemTemplate>

If you still have any issues, please do not hesitate to contact us again.

Greetings,
Hristo Borisov
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pallavi
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answered on 14 Mar 2011, 07:07 AM
Hi Hristo Borisov,

I do have a same problem in loading images on CoverFlow from Server location.
i followed the below steps, but in my case i can just see the image loading cursor for e long time
but i cant see the image.

Dont know what could be the error. 
can you please insist me on this.

Regards,
Pallavi

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Stephen Rouse
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answered on 26 Apr 2011, 04:10 PM
Any answer to this? I have a similar issue! The imaging loading cursor just continues on and on and on....without showing the images.
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Miroslav Nedyalkov
Telerik team
answered on 28 Apr 2011, 12:09 PM
Hello,

The problems could be caused by one of the folloing scenarios:
1. The path to the image is incorrect
2. The image is on a different location/domain and there is no correct cross domain policy file on the server
3. The image is on the Internet (and there is a correct cross domain policy file), but the application is started without a web application (directly using the Silverlight project)

You could debug this problem using a web debugging tool like fiddler.

If none of these helps, please prepare us a sample project and send it via support ticket. This could help us better investigate what the problem is and help you resolve it.

Kind regards,
Miroslav Nedyalkov
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Stephen Rouse
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answered on 14 May 2011, 11:12 AM
I had policy files etc, added a converter to use the full (Absolute) URL and this solved the issue, I tried switching of the Anti-Virus and firewalls on the client side, this seemed to resolve the issue for a while, but the issue returned when I was downloading in excess of 15 images. Using Absolute address works everytime, regardless of the number of images.
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Miroslav Nedyalkov
Telerik team
answered on 16 May 2011, 07:28 AM
Hello Stephen,

 It\s good to here that you found a solution of this problem.

Regards,
Miroslav Nedyalkov
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Eugeniy Tunikov
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Hristo Borisov
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pallavi
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Stephen Rouse
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Miroslav Nedyalkov
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