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CAFTA Developer
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Problem Sorting With Nested Lists
posted

Hello,

I have problem with sorting when there are nested lists within my XamDataGrid. 

I have the following class which has a nested list which is the same type as the collection I'm binding to.

public class Customer

{

   public string FirstName { get; set; }

   public string LastName { get; set; }

   public List<Customer> Friends { get; set; }

}

My xaml is quite simple:

<igDP:XamDataGrid DataSource="{Binding Path=Customers}" />

The fields are being auto generated, all records show up, and expanders work just how you'd expect. However, when I expand the Friends under a customer and try to sort on FirstName the entire grid is sorted, not just the Friend records I have expanded. Is there a way to make the sort on nested lists local to that list?

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  • 35319
    Verified Answer
    posted

    Hi,

     

    Thank you for your post. I have been looking into your question and this behavior is expected because for the object of a particular type is generated the same field layout and it is not correctly only specific element of objects to be sorted. This is the current implementation of the sorting functionality.

     

    After looking into this>and doing some research, this behavior has been determined to be a new product idea. You can suggest new product ideas for future versions (or vote for existing ones) at <http://ideas.infragistics.com>.

     

    There are many benefits to submitting an product idea:

     

    -          Direct communication with our product management team regarding your product idea.

    -          Notifications whenever new information regarding your idea becomes available.

    -          Ability to vote on your favorite product ideas to let us know which ones are the most important to you.  You will have ten votes for this and can change which ideas you are voting for at any time.

    -          Allow you to shape the future of our products by requesting new controls and products altogether.

    -          You and other developers can discuss existing product ideas with members of our Product Management team.

     

    Steps to create your idea:

                   

    1. Log into the Infragistics Product Idea site at http://ideas.infragistics.com (creating a new login if needed).
    2. Navigate to the product / platform channel of your choice (e.g. WPF, Windows Forms, ASP.NET, HTML5 / Ignite UI, iOS / NucliOS, etc.)
    3. Add your product idea and be sure to be specific and provide as much detail as possible. Explain the context in which a feature would be used, why it is needed, why it can’t be accomplished today, and who would benefit from it. You can even add screenshots to build a stronger case. Remember that for your suggestion to be successful, you need other members of the community to vote for it. Be convincing!

     

     

    The Product Idea site puts you in the driver’s seat and allows you to track the progress of your ideas at any time, see how many votes it got, read comments from other developers in the community, and see if someone from the product team has additional questions for you.

     

    Thank you for contacting Infragistics.

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