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Navigateable Properties in GridCell

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Nils
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Nils asked on 07 Aug 2009, 01:41 PM
Hi.
Small problem:
Imagine a class setup of:
public class DisplayData 
   public string Name { getset; } 
   public SomeOtherClass Prop { getset; } 
 
public class SomeOtherClass  
   public string OtherName { getset; } 

Now I have an ObservableCollection<DisplayData> to display in my Grid.
Problem is the following setup does no display SomeOtherClass nicely (how should it...)
<telerik:GridViewDataColumn  
     Header="Name" 
     DataMemberBinding="{Binding Path=Name, Mode=OneWay}" 
     Width="2*" 
     IsReadOnly="True"/> 
<telerik:GridViewDataColumn  
     Header="Other" 
     DataMemberBinding="{Binding Path=Prop, Mode=OneWay}" 
     Width="3*" 
     IsReadOnly="True"/> 

If I change the second column like this:
<telerik:GridViewDataColumn   
     Header="Name"  
     DataMemberBinding="{Binding Path=Name, Mode=OneWay}"  
     Width="2*"  
     IsReadOnly="True"/>  
<telerik:GridViewDataColumn   
     Header="Other"  
     DataMemberBinding="{Binding Path=Prop.OtherName, Mode=OneWay}"  
     Width="3*"  
     IsReadOnly="True"/>  

All displays fine. However I loose the Ability to Filter/Group the second column.
I am searching for something like:
<telerik:GridViewDataColumn    
     Header="Name"   
     DataMemberBinding="{Binding Path=Name, Mode=OneWay}"   
     Width="2*"   
     IsReadOnly="True"/>   
<telerik:GridViewDataColumn    
     Header="Other"   
     DataMemberBinding="{Binding Path=Prop, Mode=OneWay}" 
     DisplayMemberPath="OtherName"   
     Width="3*"   
     IsReadOnly="True"/>   

And I can't seem to find any solution..

I seem to walking in the dark here.. so could someone please enlighten me ?

Yours,
Nils

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Nedyalko Nikolov
Telerik team
answered on 10 Aug 2009, 12:54 PM
Hello Nils,

According to me this code snippet is the correct way to display data:

<telerik:GridViewDataColumn    
     Header="Other"   
     DataMemberBinding="{Binding Path=Prop.OtherName, Mode=OneWay}"   
     Width="3*"   
     IsReadOnly="True"/> 

About missing filtering and grouping feature, this is a known issue. The problem is that our control does not resolve data type from nested properties correctly. You can work around this by setting DataType property for the GridViewDataColumn:

DataType="sys:String" 

Hope this helps.

Best wishes,
Nedyalko Nikolov
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Nils
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answered on 10 Aug 2009, 03:47 PM
Works like charm. Thanks.

A little OT here, but I'd prefer writing
DataType="{x:Type sys:String}"  

Is there any significant difference ?

Nils


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Nedyalko Nikolov
Telerik team
answered on 11 Aug 2009, 03:07 PM
Hi Nils,

For WPF there is no difference at all. I've used this syntax because it's applicable for Silverlight too.

Regards,
Nedyalko Nikolov
the Telerik team

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Nils
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answered on 11 Aug 2009, 03:08 PM
ok. Thanks.
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