How can i bind parent dataItem property to child

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XamDataGrid

725

Adit Sheth posted over 11 years ago

Hello,

I have to use parent record item property to bind child property.

eg.

Parent Object : Item1,Item2,Item3,ObservableCollection<Child> ChildCollection

Child Object : CItem1,CItem2

Now at the time of child field binding i need parent Item to bind here.

like :

<igDP:XamDataGrid.FieldLayouts>
<igDP:FieldLayout Key="boxRow">
<igDP:Field Name="Item1" Label="Item1"/>
<igDP:Field Name="Item2" Label="Item2"/>
<igDP:Field Name="ChildCollection" />
</igDP:FieldLayout>
<igDP:FieldLayout>
<igDP:Field Name="CItem1" Label="CItem1"/>
<igDP:UnboundField Width="Auto" >
<igDP:UnboundField.Binding>
<MultiBinding Converter="{StaticResource converterKey}">
<Binding Path="CItem2"></Binding>
<Binding Path="???? -> want to bind Parent Item3"></Binding>
</MultiBinding>
</igDP:UnboundField.Binding>
</igDP:UnboundField>
</igDP:FieldLayout>
</igDP:XamDataGrid.FieldLayouts>

138253

Offline Stefan posted over 11 years ago in reply to Adit Sheth

Hello Adit,

Thank you for your feedback. I am glad that you resolved your issue and I believe that other community members may benefit from this as well.

Thanks again.
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725

Adit Sheth posted over 11 years ago in reply to Stefan

Thanks Stefan.

I clear my all doubts. regarding Data Record and Data Item relative bindings.

Thanks

Adit Sheth
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138253

Offline Stefan posted over 11 years ago in reply to Adit Sheth

Hello Adit,

I am glad that you resolved your issue. As for your other queastion I can say that the Record has a UltimateParentRecord Property, which you can use instead of ParentRecord in the Binding's Path.

Hope this helps you.
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725

Adit Sheth posted over 11 years ago in reply to Stefan

Thanks Stefan,

Its solve my problem.Thanks a lot. One more question i just want to ask that if we have a three level (Parent -> MinChild -> Child).How i can bind Parent property in Child.
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138253

Verified Answer

Offline Stefan posted over 11 years ago

Hello Adit,

Thank you for your post. I have been looking into it and I can say that since the DataItem in the UnboundField is null you are not able to get the parent Record through this Binding, but you can create a Style for the Editor and get the value you need there. The UnboundField can be defined like this:

<igDP:UnboundField >
    <igDP:UnboundField.Settings>
        <igDP:FieldSettings>
            <igDP:FieldSettings.EditorStyle>
                <Style TargetType="{x:Type igEditors:XamTextEditor}">
                    <Setter Property="Value">
                        <Setter.Value>
                            <MultiBinding Converter="{StaticResource converterKey}">
                                <Binding Path="DataItem.CItem2"></Binding>
                                <Binding RelativeSource="{RelativeSource AncestorType={x:Type igDP:DataRecordPresenter}}" Path="Record.ParentDataRecord.DataItem.Item3"></Binding>
                            </MultiBinding>
                        </Setter.Value>
                    </Setter>
                </Style>
            </igDP:FieldSettings.EditorStyle>
        </igDP:FieldSettings>
    </igDP:UnboundField.Settings>
</igDP:UnboundField>

Please let me know if this helps you or you need further assistance on this matter.

Looking forward for your reply.