Question

What I’m trying to do is basicly what this photo shows.

When I select something from the treeview it passes a parameter to a linq command that selects some data from the database. For every item in the selection I want to make a Icon and a text that represents if the item is a folder or a file.
When I push the Icon or the Link i want it to do the same as i would push the treeview, pass a parameter to a linq command that selects again from the database and populates the placeholder.

The way I’m doing this now is to make at runtima a Panel that holds the ImageButton and LinkButton. Then i add the Panel to the ContentPlaceHolder.
The problem with this that it does it every time i select something new and also i cant get it to work if the push the icon or the linkbutton, only the from the treeview.

Could i use some controller and css to get this look for the Icons ?
Is there another better way ?

This is basicly the same system as the Explorer uses in Windows, Treeview shows only the folder but the window shows the folders and files. When i click a folder that folder opens up and the main window is populated with items that are inside that folder. If i click a file a editor opens up with the contents of the file.

Answer 1

Sorry had to add as another Answer. Here’s a quick sample of the folder user control.

Create your Control… Format however you want.

<%@ Control Language="C#" AutoEventWireup="true" CodeFile="FolderButton.ascx.cs" Inherits="FolderButton" %>
<div>
    <asp:ImageButton ID="btnImage" runat="server" ImageUrl="yourfolder.jpg" />
    <asp:LinkButton ID="btnTitle" runat="server" />
</div>

Add Properties and Click Event to the Code Behind (don’t forget to fire the click event when your image and link buttons are clicked):

public partial class FolderButton : System.Web.UI.UserControl
{
    public int DatabaseId { get; set; }
    public string Name { get; set;}  // you can even set your linkbutton text here. 

    public event EventHandler Click;
}

Create your Repeater of the FolderButton Controls:

 <asp:Repeater ID="rptFolders" runat="server" OnItemDataBound="rptFolders_ItemDataBound">
            <ItemTemplate>
                <uc1:FolderButton ID="FolderButton1" runat="server" />
            </ItemTemplate>
        </asp:Repeater>

Set Folder Id on DataBinding:

protected void rptFolders_ItemDataBound(object sender, RepeaterItemEventArgs e)        
{        
    if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)        
    {        
        Book book = (Book)e.Item.DataItem; //Or whatever your passing        

        FolderButton btnFolder = e.Item.FindControls("FolderButton1");

        btnFolder.Name=book.Name;
        btnFolder.DatabaseId=book.Id;

        btnFolder.Click += new EventHandler(FolderClicked);        
    }        
}     

Lastly you can then do whever you want on the event Click:

     void FolderClicked(object sender, EventArgs e)
{
     int id = ((FolderButton)sender).DatabaseId;

     /// Do something with your Id
}

Let me know if anything is unclear. This is just a quick freehand sample, so forgive any typos or bad practices… code is just for demostration purposes only.