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Design Time column layout with binding to View Model
posted

Hi

I have a XamDataGrid which I want to bind to a custom collection exposed by my view model. This works fine at runtime if I specify my binding in the usual way (DataSource="{Binding Path=MyCollection}"), but this doesn't give me any design-time indication of the column layout.

I can get my columns to appear at design time by specifying the datasource collection type like so:

<Custom:XamDataGrid.DataSource>
  <data:MyCollectionType xmlns:data="clr-namespace:MyNamespace" />
</Custom:XamDataGrid.DataSource>

However, then I can't declare my binding in XAML, as the designer complains that the DataSource is set more than once.

I can get around this by resetting the DataSource in code, but I'd prefer to keep everything declarative... Can it be done?

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  • 138253
    Verified Answer
    Offline posted

    Hello,

    Thank you for your post. I have been looking into it and I created a sample project for you with the functionality you want. Basically I set the design DataContext of the XamDataGrid to a mock collection, so the items can be generated in the designer. I also put a second grid where you can see how to define everything in XAML and have a designer. Please let me know if this helps you or you have further questions on this matter.

    Looking forward for your reply.

    XamDataGridDesignTimeData.zip
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