Create a listview in hierarchy and bounded using LINQ

Hi,
I would like to know how I can setup a listview (or any other asp control), so that it can be bounded to LINQ and will show the hierarchy of the data.
Here is my data:
Year      Name
2014     Apple
2014     Orange
2014     Manago
2013     Apple
2013     Grapes
It will just start with the Year:
+ 2014
+ 2013
When the year is expanded, it will show the information under that year, so it will look like this when 2014 is clicked:
- 2014
    Apple
    Orange
    Manago
+ 2013
Please advice, your help would be greatly appreciated!

Hi,
According to your description, you want to retrieve data from a SharePoint List using LINQ, then display the data upon a GridView control or other controls.
For about retrieving data with LINQ, here are two demos for your reference:
http://msdn.microsoft.com/en-us/library/office/hh135094(v=office.14).aspx
http://www.codeproject.com/Articles/399927/SharePoint-LINQ-and-SPMetal
For organizing the data retrieved in a list view like control, suppose you are developing a Visual Web Part, SPGridView control would be a good choice for you.
A solution with code provided would be helpful for a quick start in using SPGridView:
http://code.msdn.microsoft.com/office/Ejemplos-sobre-cmo-usar-el-69cd5f16
More information about SPGridView:
http://msdn.microsoft.com/en-us/library/microsoft.sharepoint.webcontrols.spgridview(v=office.14).aspx
http://www.codeproject.com/Articles/35536/Creation-of-a-SPGridview-Webpart-having-Pagination
Feel free to reply if there are still any questions.
Thanks
Patrick Liang
Forum Support
Please remember to mark the replies as answers if they
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using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
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Create a listview in hierarchy and bounded using LINQ

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