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Binding other properties to row item

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Marcel
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Marcel asked on 04 Aug 2016, 06:45 AM

Hello,

I have a I think very simple question but I cant find any solution for it. Its about binding other properties, besides the DataMemberBinding to the current item. 

The scenario is as follows, I have a data object which is setup as follows:

public class EmployeeViewModel
{
    public Employee EmployeeData { get; set; }
 
    public EmployeeViewState ViewState { get; set; }
}
 
public class Employee
{
    public string Name { get; }
}
 
public class EmployeeViewState
{  
    public bool ColumnNameReadOnly = true;
}

 

In my main viewmodel I have the following:

public class ViewModel
{
    public ObservableCollection<EmployeeViewModel> Employees { get; set; }
 
}

 

Now I want to bind my view to this collection, I have the following XAML:

<telerik:RadGridView x:Name="grid" MinHeight="400"
                    DataContext="{Binding}"
                    ItemsSource="{Binding Employees}">
    <telerik:RadGridView.Columns>
        <telerik:GridViewDataColumn Header="Name:"
                                    DataMemberBinding="{Binding Path=EmployeeData.Name}"                                                    
                                    Width="215"
                                    IsReadOnly="{Binding Path=ViewState.ColumnNameReadOnly}"/>
    </telerik:RadGridView.Columns>
</telerik:RadGridView>

 

The Name property of the EmployeeData object is correctly bind to the current item of the row, but the IsReadOnly property binding is looking for a ViewState object in my main viewmodel!

How can I set the datacontext for this property the same as with the DataMemberBinding?

 

Regards,

 

Marcel

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Dilyan Traykov
Telerik team
answered on 05 Aug 2016, 10:05 AM
Hello Marcel,

In this particular scenario, you should use the IsReadOnlyBinding property rather than the IsReadOnly property.

I'm attaching a sample project to demonstrate how you should use it in this case. I hope you find it helpful.

Regards,
Dilyan Traykov
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Marcel
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answered on 05 Aug 2016, 10:58 AM

Hello Dilyan,

Thanks this works great, but when I have other properties that I also want to bind to the particular row business object (for example the TabStopMode or IsEnabled  properties) how would I do this?

 

 

Regards,

 

Marcel

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Dilyan Traykov
Telerik team
answered on 05 Aug 2016, 12:09 PM
Hello Marcel,

Setting these properties on a cell/row level can be achieved by using RadPropertyGrid's CellStyleSelector and RowStyleSelector properties.

Regards,
Dilyan Traykov
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Marcel
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answered on 10 Aug 2016, 03:28 PM

Thanks, Dilyan.

This got me a little further.

Regards,

Marcel

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Dilyan Traykov
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Marcel
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