Bind property of one child to property of another child of same parent

[Shreya]

Hi,
I am facing an Issue with binding in RadGrid. Here is my XAML

 <telerik:GridViewDataColumn Width="Auto" DataMemberBinding="{Binding IsTermChange}"  Header="Change Term" x:Name="TermChange">
                    <telerik:GridViewDataColumn.CellTemplate>
                        <DataTemplate>
                            <CheckBox IsChecked="{Binding IsTermChanged, UpdateSourceTrigger=PropertyChanged, Mode=TwoWay}"/>
                        </DataTemplate>
                    </telerik:GridViewDataColumn.CellTemplate>
                </telerik:GridViewDataColumn>
                <telerik:GridViewDataColumn Width="Auto" DataMemberBinding="{Binding IsActive}"  Header="Change Mileage">
                    <telerik:GridViewDataColumn.CellTemplate>
                        <DataTemplate>
                            <CheckBox IsChecked="{Binding IsActive, Mode=TwoWay}"/>
                        </DataTemplate>
                    </telerik:GridViewDataColumn.CellTemplate>
                </telerik:GridViewDataColumn>
                <telerik:GridViewDataColumn Width="Auto" DataMemberBinding="{Binding IsActive}"  Header="Add Option">
                    <telerik:GridViewDataColumn.CellTemplate>
                        <DataTemplate>
                            <Grid>
                                <CheckBox Name="optionCheckBox"/>
                            </Grid>
                        </DataTemplate>
                    </telerik:GridViewDataColumn.CellTemplate>
                </telerik:GridViewDataColumn>
                <telerik:GridViewDataColumn Width="Auto" DataMemberBinding="{Binding IsActive}"  Header="Add Maint.">
                    <telerik:GridViewDataColumn.CellTemplate>
                        <DataTemplate>
                            <CheckBox IsChecked="{Binding IsActive, Mode=TwoWay}"/>
                        </DataTemplate>
                    </telerik:GridViewDataColumn.CellTemplate>
                </telerik:GridViewDataColumn>
                <telerik:GridViewDataColumn Width="Auto" DataMemberBinding="{Binding IsActive}"  Header="Remove Maint.">
                    <telerik:GridViewDataColumn.CellTemplate>
                        <DataTemplate>
                            <CheckBox IsChecked="{Binding IsActive, Mode=TwoWay}"/>
                        </DataTemplate>
                    </telerik:GridViewDataColumn.CellTemplate>
                </telerik:GridViewDataColumn>
                <telerik:GridViewColumn Header="Proposed Term" >
                    <telerik:GridViewColumn.CellTemplate>
                        <DataTemplate>
                            <telerik:RadComboBox Width="80" HorizontalAlignment="Left" Margin="3,1,0,0" Text="{Binding Path=TermRequested, Mode=TwoWay,   UpdateSourceTrigger=PropertyChanged, ValidatesOnDataErrors=True, NotifyOnValidationError=True}" IsEditable="True" ItemsSource="{Binding AvailableTermsList}" StaysOpenOnEdit="True" />
                        </DataTemplate>
                    </telerik:GridViewColumn.CellTemplate>
                </telerik:GridViewColumn>

I want to bind the IsEnabled property of radcombobox (bold one) only when IsChecked property is true for checkbox(bold one). I am not abble to achieve that. Please help it is urgent.

[Dimitrina]

Hello,

I would suggest you working with the bound data items instead. In your case you have bound the IsChecked property to the IsTermChanged property of the bound item.
If you would like to configure RadComboBox be IsEnabled based on it, you can directly bind it the same way. 
For example:

<telerik:RadComboBox Width="80" HorizontalAlignment="Left" Margin="3,1,0,0" Text="{Binding Path=TermRequested, Mode=TwoWay,   UpdateSourceTrigger=PropertyChanged, ValidatesOnDataErrors=True, NotifyOnValidationError=True}" IsEditable="True" ItemsSource="{Binding AvailableTermsList}" StaysOpenOnEdit="True" IsEnabled="{Binding IsTermChanged}/>

You can also consider using the IsReadOnlyBinding property of RadGridView. Please check our online documentation for more information on how it works.

Regards,
Didie
Telerik

 

 

[Shreya]

Thanks a ton for the reply !!! will surely try dat way !!!